Topic:"Heat Pumps" in M10473

3 Low Electrification Mid Electrification High Electrification Sales of electric heat pumps and water heaters 25% sales of air source heat pumps for space heating by 2050 50% sales of heat pump space heaters and water heaters by 2040 in th...

AI summary The table outlines electrification scenarios for heat pumps, water heaters, and electric vehicles, with varying levels of adoption by 2030, 2040, and 2050. It presents targets for low, mid, and high electrification scenarios, highlighting the progression from partial to full adoption of electric technologies in residential, commercial, and transportation sectors.

Measure Assessment Document The impact evaluation scope for 2021 also included an update of the Measure Assessment (MA) document. The MA was updated with a new edition to include new products added to program offerings or new savings param...

AI summary The 2021 Measure Assessment (MA) document was updated to include new products, parameters, and annual updates for LED lighting, heat pumps, appliance retirements, and solar air heating. EUL values were added for new measures, while other measures retained 2020 data.

1.2 Process and Market Evaluation Objectives and Scope Process evaluation activities were completed for New Construction in 2021 and were aimed at achieving the following objectives: - › Collect information on the New Construction particip...

AI summary Process evaluations for New Construction in 2021 focused on decision-making processes and freeridership assessments. Market evaluations targeted residential LED lighting (Instant Savings), commercial LED lighting (Business Energy Rebates), and mini-split heat pumps (Green Heat), aiming to assess market trends, program satisfaction, and influence. Footnotes note low rebate data confidence and evolving appliance efficiency.

Table 13: Evaluated Net Energy Savings at the Generator, 2017-2021 Energy Savings (GWh) Energy Savings (%) DSM Program Program Component 2017 2018 2019 2020 2021 2017 2018 2019 2020 Appliance Retirement 3.094 2.657 2.545 2.111 2.474 2% 2%...

AI summary Table 13 presents evaluated net energy savings from various demand-side management (DSM) programs in Nova Scotia from 2017 to 2021, highlighting energy savings in gigawatt-hours and percentages for initiatives such as appliance retirement, home energy assessments, and business energy rebates.

Green Heat: Mini-split Heat Pumps Key sources of information for the market evolution assessment were heat pump data and assumptions included in the 2020 and 2021 NS Power load forecast and associated regulatory filings. In addition, the E...

AI summary The market for mini-split heat pumps (MSHPs) in Nova Scotia is growing, with increased sales and incentives from EOne. NS Power's load forecasts and distributor reports indicate sustained consumer interest and growth potential for MSHPs, especially during and after the pandemic.

Survey Margins of Error The 2021 Green Heat survey margins of error were established by using the following formula, which corresponds to the margin of error calculation for a proportion (i.e. a value between 0% and 100%): Margin of Error...

AI summary The 2021 Green Heat survey margins of error were calculated using a formula for proportions, which accounts for sample size, proportion, and population size.

Evaluation Approach The evaluation was aimed at calculating program component gross and net results, namely electrical first-year and lifetime energy savings, peak demand savings, as well as avoided greenhouse gas (GHG) emissions. For Gree...

AI summary The evaluation approach focuses on calculating program component gross and net results, including energy savings, peak demand savings, and avoided greenhouse gas emissions. It also includes market evaluation for Green Heat.

5 GREEN HEAT OVERVIEW This section describes Green Heat, follows up on past evaluation recommendations, and provides an overview of participation history.

AI summary This section introduces Green Heat, outlines follow-up actions on previous evaluation recommendations, and provides an overview of participation history in the initiative.

5.2 Follow-up on Past Evaluation Report Recommendations The Evaluator evaluated Green Heat in previous years and issued improvement recommendations. [Table](#page-114-1) 27 provides a summary of the implementation status of each recommenda...

AI summary This section discusses the follow-up on past evaluation report recommendations, specifically focusing on the implementation status of recommendations related to the Green Heat program. A table is referenced that summarizes the progress made on these recommendations.

Table 29: 2021 Green Heat Survey Sample Sizes and Margins of Error Measure Population Sample Size Sampling Margins of Error at 90% Confidence Level MSHPs 2,902 97 ±10.0% CASHPs and GSHPs 31 5 ±40.8% Biomass and Solar 253 38 ±14.7% Total 3,...

AI summary Table 29 provides sample sizes and margins of error for the 2021 Green Heat Survey, showing varying levels of precision across different heating technologies. The survey includes measures such as MSHPs, CASHPs, GSHPs, Biomass, and Solar, with the total sample size being 140 and a margin of error of ±8.3% at a 90% confidence level.

8 GREEN HEAT IMPACT EVALUATION The objectives of the 2021 Green Heat impact evaluation were to determine the gross and net electrical energy and peak demand savings, annually avoided GHG emissions, as well as effective useful life (EUL) va...

AI summary The 2021 Green Heat impact evaluation aimed to assess gross and net electrical energy and peak demand savings, annual GHG emissions avoided, and effective useful life values with associated lifetime energy savings.

Figure 19: 2021 Green Heat Tracked and Evaluated Gross Energy Savings [Figure](#page-130-2) 20 below compares tracked gross peak demand savings to evaluated gross peak demand savings. As outlined in the figure, the tracked and evaluated pe...

AI summary The document presents two figures comparing tracked and evaluated energy savings from the 2021 Green Heat program. Figure 19 shows gross energy savings, while Figure 20 compares gross peak demand savings, noting that revisions were made for CASHPs based on heating capacity and COP at -15°C.

Table 37: Evaluated 2021 Green Heat GHG Emission Reductions Total Net Energy Savings – at the Generator (GWh) 6.795 Nova Scotia-specific GHG Emissions Factor for Electricity Production (kg of CO2 eq/kWh) 0.5841 Gross Annual GHG Emission Re...

AI summary Table 37 evaluates the 2021 Green Heat GHG emission reductions, showing net energy savings of 6.795 GWh and gross annual GHG emission reductions of 3.969 tonnes of CO2 eq. Section 8.4 discusses realization rate, which is likely related to the actual achievement of these emission reduction targets.

9 GREEN HEAT MARKET EVOLUTION EOne has been active in the MSHP market through the Green Heat program since October 2015. 16 A market evolution assessment was completed as part of the 2017, 2018, and 2019 evaluations, the results of which s...

AI summary EOne has been involved in the MSHP market through the Green Heat program since 2015. Market evolution assessments were conducted in 2017, 2018, and 2019 to analyze market indicators and technology diffusion. This section updates the data and provides insights on the evolving MSHP market in Nova Scotia.

9.1.1 Market Share of Heat Pumps The data presented in this subsection are for all heat pumps, not just MSHPs. NS Power data indicates that, since 2013, over 90% of heat pumps installed through the NS Power on-bill financing program compon...

AI summary The text discusses the market share of heat pumps in Nova Scotia, noting that the majority of heat pumps installed through NS Power's on-bill financing program and EOne's incentives are mini-split heat pumps (MSHPs). It provides data on the number of homes with heat pumps installed annually from 2013 to 2021 and forecasts future growth rates and cumulative numbers.

Table 39: Green Heat Incented High-efficiency Mini-split Heat Pump Systems, 2017-2021 2017 2018 2019 2020 2021 Electrical Non-electrical Electrical Non-electrical Electrical Non-electrical Electrical Non-electrical Electrical Non-electrica...

AI summary The table provides data on the number of high-efficiency mini-split heat pump (MSHP) systems incentivized by the Green Heat program from 2017 to 2021, along with the average HSPF (Heating Seasonal Performance Factor) of the units installed during those years.

HEA Mini-split Heat Pumps HEA also provides incentives for participants installing high-performing cold-climate MSHPs (i.e. same criteria as Green Heat) as part of a retrofit. As indicated in [Table](#page-140-1) 40, HEA counted fewer MSHP...

AI summary HEA provides incentives for installing high-performing cold-climate mini-split heat pumps as part of a retrofit. However, the number of installations in 2020 and 2021 was lower than in 2019, as noted in Table 40.

Table 40: HEA Incented High-efficiency Mini-split Heat Pump Systems, 2015-2021 2015 2016 2017 2018 2019 2020 2021 Number of MSHP Systems 16 220 542 420 585 514 503 [Figure](#page-141-1) 23 below presents an evolution of the number of MSHP...

AI summary Table 40 shows the number of HEA-incented high-efficiency mini-split heat pump systems installed from 2015 to 2021. The data indicates a significant increase in installations, with the Green Heat program contributing the majority of incented systems in 2021.

9.1.2 Green Heat Eligible Mini-split Heat Pumps The Evaluator interviewed five distributors of HVAC products, including MSHPs, in Nova Scotia to gain more in-depth understanding of MSHP market trends and sales of Green Heat-eligible high-p...

AI summary The Evaluator interviewed HVAC product distributors in Nova Scotia to understand market trends and sales of Green Heat-eligible mini-split heat pumps. All interviewed distributors sell high-performing units, with four stating that at least 90% of their contractor customers carry Green Heat-eligible units. The data includes NS Power forecasts and actual numbers from incentive programs.

2017 2018 2019 2020 2021 Nominal Capacity (Btu/hr) Average Cost Average Incentive Average Cost Average Incentive Average Cost Average Incentive Average Cost Average Incentive Average Cost Average Incentive 12,000 and below $5,028 $256 $4,6...

AI summary Table 41 presents the average costs and incentives for Green Heat systems across different nominal capacities from 2017 to 2021, showing fluctuations in both cost and incentive amounts over time.

Table 43: Analysis of 2021 Key Factors in Program Component Planning Factor Results Market share of heat pumps and efficient MSHPs NS Power predicted a relatively flat market for MSHPs in 2020 and 2021. That said, distributors reported inc...

AI summary The market for mini-split heat pumps (MSHPs) in Nova Scotia is showing increased adoption, with 35% of households using them in 2021. Distributors report rising sales, and efficiency of MSHPs has improved due to stricter requirements. Prices for higher capacity units have increased, but incentives from EOne have supported adoption. A new regulation in 2023 is expected to further push for more efficient heat pumps.

[READ [A1](#page-46-0) IF ONE EQUIPMENT (EQUIPMENT #1 ONLY) IN THE DATABSE] - A1. Our records indicate that your household installed a through the Green Heat program. Is this correct? - 1. Yes [CONTINUE TO [B1]](#page-48-0) - 2. No, does n...

AI summary The text is a procedural question from a regulatory proceeding, asking if a household installed a specific equipment through the Green Heat program and providing options for response, including confirmation, denial, or refusal to answer.

[READ [A2](#page-47-0) IF MORE THAN ONE EQUIPMENT (EQUIPMENT #1 AND #2) IN THE DATABSE] - A2. Our records indicate that your household installed a and a through the Green Heat program. Is this correct? - 1. Yes [CONTINUE TO [A3]](#page-47-...

AI summary The text is a part of a regulatory proceeding document that asks a household if they installed two specific pieces of equipment through the Green Heat program and provides options for confirming or denying the installation, with different follow-up steps based on the response.

[ASK C1 TO C8 IF EQUIPMENT = MINI-SPLIT HEAT PUMPS (MSHP) IN SAMPLE] Moving along to another topic… I would like to ask you a series of questions regarding your decision to install a high efficiency heat pump instead of installing another...

AI summary The speaker is asking a series of questions regarding the decision to install a high efficiency heat pump instead of another type of heating system or keeping the existing system.

Series A: Questions on the decision to install a heat pump - C1. Had you already decided to install a heat pump before you heard about the Green Heat program? - 1. Yes - 2. No

AI summary The question asks whether the respondent had already decided to install a heat pump prior to learning about the Green Heat program, with options to answer 'Yes' or 'No'.

[VOLUNTEERED] - 98. Don't know - 99. Refused - C2. [IF [C1=](#page-50-0)1] Just to confirm: before you learned about the Green Heat program, you had already made the decision to install a heat pump? - 1. Yes - 2. No

AI summary The text includes a question about whether a respondent had already decided to install a heat pump before learning about the Green Heat program, with response options provided.

[VOLUNTEERED] - 98. Don't know [GO TO [G](#page-59-0) SECTION] - 99. Refused [GO TO [G](#page-59-0) SECTION] C4. [IF [C2=](#page-50-1)1 OR [C3=](#page-50-2)4] If there was no Green Heat program, what is the likelihood that you would have p...

AI summary The text presents a questionnaire item asking respondents about the likelihood of postponing a heat pump purchase if the Green Heat program did not exist, using a 0-10 scale. It includes instructions for answering and references to other sections of the document.

Series B: Questions on the decision to install a high-efficiency heat pump Only high-efficiency heat pump models are eligible for a rebate under the Green Heat program, so the heat pump you have installed is much more efficient than the st...

AI summary The document discusses the eligibility of high-efficiency heat pumps for rebates under the Green Heat program and asks if the respondent was aware of such models before learning about the program.

[VOLUNTEERED] - 98. Don't know - 99. Refused - C6. [IF [C5=](#page-51-0)1] Before you heard about the Green Heat program, had you already made the decision to install a high-efficiency heat pump model? - 1. Yes - 2. No

AI summary The text presents a survey question related to the Green Heat program, asking respondents if they had already decided to install a high-efficiency heat pump model before learning about the program.

[ASK D1 TO D7 IF EQUIPMENT = Central heat pump IN SAMPLE] - D1. Moving along to another topic… Had you already decided to install a high efficiency before you heard about the Green Heat program? - 1. Yes - 2. No

AI summary This question asks whether respondents had already decided to install a high efficiency central heat pump before learning about the Green Heat program.

[VOLUNTEERED] - 98. Don't know - 99. Refused - D2. [IF [D1=](#page-52-0)1] Just to confirm: before you decided to participate in the Green Heat program, you had already made the decision to install a high efficiency ? - 1. Yes - 2. No

AI summary The text presents a question related to participation in the Green Heat program, asking if the respondent had already decided to install high-efficiency equipment before volunteering. It includes response options and a reference to a previous question.

[DO NOT ACCEPT A RANGE – ASK [D4](#page-53-0) TO [D6](#page-54-0) SEQUENCE IN ORDER/DO NOT RANDOMIZE] D4. If there was no Green Heat program, what is the likelihood that you would have installed a less efficient and less expensive heat pum...

AI summary The question asks about the likelihood of installing a less efficient and less expensive heat pump if the Green Heat program did not exist, using a 0-10 scale with endpoint labels. It seeks to assess the program's influence on heat pump installations.

[VOLUNTEERED] - 98. Don't Know - 99. Refused D5. If there was no Green Heat program, what is the likelihood that you would have kept your old heating system instead of installing a new one? 0-10 SCALE WITH END POINT LABELS– RECORD NUMBER

AI summary This section presents a survey question regarding the likelihood of keeping an old heating system if the Green Heat program did not exist, using a 0-10 scale. It includes response options such as 'Don't Know' and 'Refused' and references a picture from page 54.

[ASK E1 TO E7 IF EQUIPMENT = WOOD STOVE, PELLET STOVE, WOOD FURNACE OR WOOD FIREPLACE IN SAMPLE] - E1. Moving along to another topic… Had you already decided to install a before you heard about the Green Heat program? - 1. Yes - 2. No

AI summary The text is a question from a regulatory proceeding asking whether individuals had already decided to install specific heating equipment before learning about the Green Heat program.

[VOLUNTEERED] - 98. Don't know - 99. Refused - E2. [IF [E1=](#page-55-0)1] Just to confirm: before you decided to participate in the Green Heat program, you had already made the decision to install a ? - 1. Yes - 2. No

AI summary This section of the proceeding includes a question about whether participants in the Green Heat program had already decided to install specific equipment before volunteering for the program.

[VOLUNTEERED] - 98. Don't Know - 99. Refused [READ FIRST TIME THROUGH ONLY; REPEAT SCALE AS NEEDED] I would like you to consider what actions you would have taken if there was no Green Heat program. For the next questions, answer on a scal...

AI summary The text presents a survey question from a regulatory proceeding, asking respondents to rate the likelihood they would have installed an electrical heating system instead of the equipment they installed through the Green Heat program, if the program did not exist. The scale ranges from 0 (Very Unlikely) to 10 (Very Likely).

I. Recommendations for Program Improvements - I1. What was the most helpful aspect of the Green Heat program? [SINGLE RESPONSE, DO NOT READ] - 1. Rebate/Lowering the cost of the installation - 2. Assistance in finding an installer - 3. Pro...

AI summary The text presents survey questions aimed at evaluating the Green Heat program, focusing on participants' experiences and recommendations for improvement. Respondents are asked about the most helpful aspects of the program and suggestions for making it more effective.

APPENDIX V GREEN HEAT: PARTICIPANT SURVEY RESULTS The participant survey results are presented in the following tables. Note that for 2019 air-to-water heat pumps are included in the "Central Heat Pump" category. Consideration should be ta...

AI summary This appendix presents participant survey results for the Green Heat program, noting differences in data collection methods across years, such as changes in heat pump categories and response scales, which should be considered when comparing results over time.

B1. How did you first become aware of the Green Heat program? 2018 2019 2021 Source of Awareness Total MSHP Central Heat Pump Solar/ Biomass Total MSHP Central Heat Pump Solar/ Biomass Total MSHP Central Heat Pump Solar/ Biomass Sample Siz...

AI summary The table provides data on how participants became aware of the Green Heat program between 2018 and 2021, with the primary sources being contractors, retailers, or distributors, followed by word of mouth and online channels.

[ASK C1 TO C8 IF EQUIPMENT = MINI-SPLIT HEAT PUMPS (MSHP) IN SAMPLE] Moving along to another topic… I would like to ask you a series of questions regarding your decision to install a high efficiency heat pump instead of installing another...

AI summary The speaker is asking a series of questions about the decision to install high efficiency heat pumps (MSHP) instead of other heating systems or maintaining the existing system.

Series A: Questions on the decision to install a heat pump - C1. Had you already decided to install a heat pump before you heard about the Green Heat Program?

AI summary This question asks whether the decision to install a heat pump was made prior to learning about the Green Heat Program, suggesting a potential influence of the program on the decision-making process.

- C2. Just to confirm: before you learned about the Green Heat Program, you had already made the decision to install a heat pump?\ Already Made Decision to Install Heat Pump Prior to Green Heat 2018 2019 2021 Sample Size 45 50 97 Yes 71% 7...

AI summary The text confirms that a majority of respondents had already decided to install a heat pump prior to learning about the Green Heat Program, with 71% in 2018, 70% in 2019, and 73% in 2021 indicating they had made the decision beforehand.

C3. If there was no Green Heat program, which of the following actions would you have taken?\ Actions Taken in Absence of Green Heat 2018 (#) 2019 (#) 2021 (%) Sample Size 13 15 26 Purchased a heat pump 11 10 38% Kept your existing heating...

AI summary The text presents a survey on actions taken by respondents in the absence of the Green Heat program, showing that a majority (38%) purchased a heat pump, while others kept their existing systems or opted for non-electric heating solutions.

C4. If there was no Green Heat program, what is the likelihood that you would have postponed the purchase of a heat pump by at least one year? Please answer on a scale of 0 to 10, where 0 is "Very unlikely" and 10 is "Very likely."\

AI summary The question asks about the likelihood of postponing the purchase of a heat pump by at least one year if there was no Green Heat program, with a scale from 0 to 10.

Actions Taken in Absence of Green Heat 201 8 20 19 202 21 Sample Size Mean Sample Size Mean Sample Size Mean Postponed the purchase of a heat pump by at least one year 43 2.5 45 4.5 81 3.5 Don't know/refused excluded from calculation

AI summary The table shows that a significant number of individuals postponed the purchase of heat pumps by at least one year, with mean values of 2.5, 4.5, and 3.5 across different sample sizes. This data highlights delays in adopting green heating solutions.

Series B: Questions on the decision to install a high-efficiency heat pump Only high-efficiency heat pump models are eligible for a rebate under the Green Heat program, so the heat pump you have installed is much more efficient than the st...

AI summary The text discusses the eligibility of high-efficiency heat pump models for rebates under the Green Heat program, emphasizing that the installed model is more efficient than standard models, especially at low temperatures. It also questions the decision to install a more expensive, high-efficiency model rather than a less efficient and less expensive one.

C5. Were you aware of the availability of high efficiency heat pumps that operate at temperatures below -15°C were available before you heard about the Green Heat Program? Aware of High Efficiency Heat Pumps 2018 2019 2021 Sample Size 44 4...

AI summary The question asks whether respondents were aware of high-efficiency heat pumps operating below -15°C before the Green Heat Program. Survey data from 2018, 2019, and 2021 show that awareness increased slightly over time, with 65% aware in 2021.

C6. Before you heard about the Green Heat Program, had you already made the decision to install a high-efficiency heat pump model? Previously Decided to Install High Efficiency Heat Pump 2018 2019 2021 Sample Size 26 30 53 Yes 81% 93% 79%...

AI summary The text discusses survey responses about decisions to install high-efficiency heat pumps before the Green Heat Program and the impact of rebates on willingness to pay. Most respondents had already decided to install high-efficiency heat pumps prior to the program, and the majority would have paid the full cost even without the rebate.

Base: Respondents who previously decided to install a mini-split heat pump prior to hearing about Green Heat, or were likely to purchase a heat pump without the program component \ Wording change in 2021 C8. I WOULD LIKE YOU TO RATE THE IN...

AI summary The text discusses respondents who had already decided to install mini-split heat pumps before learning about the Green Heat program or were likely to purchase heat pumps regardless of the program. It also asks respondents to rate the influence of three factors on their decision to install a high-efficiency heat pump using a scale from 0 to 10.

Influence of Factors on Decision to Have High Efficiency Heat Pump Installed 201 8 20 19 2021 Sample Size Mean Sample Size Mean Sample Size Mean Information on the benefits of high efficiency heat pumps provided by the retailers or contrac...

AI summary The table presents data on how different factors influence the decision to install high efficiency heat pumps. It shows the sample size and mean scores for information provided by retailers, contractors, and ENS, as well as the impact of rebate programs.

[ASK D1 TO D7 IF EQUIPMENT = Central heat pump IN SAMPLE] - D1. Moving along to another topic... Had you already decided to install a high efficiency [EQUIPMENT] before you heard about the Green Heat program?

AI summary The document asks whether respondents had already decided to install a high-efficiency central heat pump before learning about the Green Heat program.

- D2. Just to confirm: before you decided to participate in the Green Heat program, you had already made the decision to install a high efficiency [EQUIPMENT] ?\ Already Made Decision to Install Equipment Prior to Green Heat 2018 2019 2021...

AI summary The document asks whether participants in the Green Heat program had already decided to install high-efficiency equipment before joining the program, with data showing a majority had already made this decision in 2018 and 2019.

2018 201 19 202 1 Would Have Paid Full Cost Heat Pump Sample Size Mean Sample Size Mean Sample Size Mean Would have paid/financed full cost of air-source heat pump or ground-source heat pump 20 8.1 30 8.2 5 8.0 Don't know/Refused excluded...

AI summary The table presents survey data on willingness to pay or finance the full cost of air-source or ground-source heat pumps across different sample sizes and years (2018, 2019, and 2020). The mean values are consistently around 8.1, with slight variations. Responses that indicate 'don't know' or 'refused' are excluded from the calculations.

Base: Respondents who had previously decided to install an air-source heat pump or ground-source heat pump or air-to-water heat pump before participating in the program component D4-D6. I would like you to consider what actions you would h...

AI summary The text asks respondents who had already decided to install specific types of heat pumps to consider their actions if the Green Heat program did not exist, using a 0 to 10 scale to gauge likelihood.

Likelihood of Actions If Program 2018 20 19 2021 Not Available Sample Size Mean Sample Size Mean Sample Size Mean Installed a less efficient and less expensive heat pump 22 5.1 30 4.5 5 5.2 Postponed installing equipment by at least one ye...

AI summary The table presents data on the likelihood of customer actions related to heat pump installations between 2018 and 2021. It shows that a majority of respondents installed less efficient and less expensive heat pumps, with a slight decline in the mean score over time. A smaller number of respondents postponed installation or kept their old heating systems.

Influence of Factors on Decision to 20 18 20 19 20 21 Have Heat Pump Installed Sample Size Mean Sample Size Mean Sample Size Mean The program rebate 21 5.2 30 6.4 5 6.8 Information on the benefits of high efficiency equipment provided by t...

AI summary The table presents data on the influence of various factors on the decision to install heat pumps, including program rebates, information provided by retailers, and information from Efficiency Nova Scotia, across different sample sizes and mean values.

[ASK E1 TO E7 IF EQUIPMENT = WOOD STOVE, PELLET STOVE, WOOD FURNACE OR WOOD FIREPLACE IN SAMPLE] - E1. Moving along to another topic... Had you already decided to install a [EQUIPMENT] before you heard about the Green Heat program?

AI summary The text includes a question asking whether individuals had already decided to install specific heating equipment before learning about the Green Heat program.

- E2. Just to confirm: before you decided to participate in the Green Heat program, you had already made the decision to install a [EQUIPMENT]?\ Already Made Decision to Install Equipment Prior to Green Heat 2018 2019 2021 Sample Size 23 4...

AI summary This question seeks to confirm whether participants in the Green Heat program had already decided to install specific heating equipment prior to joining the program. The table shows that a majority (76%) of respondents had already made this decision in 2021.

Base: Respondents who had previously decided to install a Wood/Pellet Stove/Boiler/Furnace/Solar Heating System before participating in the program component E4-E6. I would like you to consider what actions you would have taken if there wa...

AI summary The text asks respondents to consider their actions if the Green Heat program did not exist, using a scale from 0 to 10 to gauge likelihood of taking specific actions without the program's influence.

G1. Using a scale from 1 to 10 where 1 is "not at all satisfied" and 10 is "completely satisfied" how would you rate your satisfaction with the program overall?\ Satisfaction 2018 2019 2021 With Green Heat Overall Total MSHP Central Heat P...

AI summary The table presents survey results on overall satisfaction with the Green Heat program from 2018 to 2021, showing high satisfaction levels across different technologies like MSHP, central heat pumps, and biomass.

G3. On a scale of 1 to 10, where 1 is 'not at all satisfied' and 10 is 'completely satisfied', how satisfied were you with each of the following aspects of the Green Heat program?\ 2018 2019 2021 Satisfaction With Green Heat Total MSHP Cen...

AI summary The Green Heat program's satisfaction levels are evaluated across various aspects, including equipment installation, rebate eligibility, application processes, clarity of requirements, rebate processing time, and rebate amounts. Satisfaction scores range from 6.6 to 9.7, with higher scores for equipment installation and lower scores for rebate amounts.

2018 2019 2021 Satisfaction With Green Heat Total MSHP Central Heat Pump Biomass Solar/ Total MSHP Central Heat Pump Biomass Solar/ Total MSHP Central Heat Pump Biomass Solar/ Sample Size mple Size Sa Mean mple Size Sa Mean mple Size Sa Me...

AI summary The table presents survey results from 2018, 2019, and 2021 on customer satisfaction with green heating technologies, including MSHP, central heat pumps, biomass, and solar. It includes metrics such as reliability, equipment selection, energy savings, and cost considerations.

I2. Do you have any recommendations for improving the Green Heat program? PROBE: Anything 2018 2019 2021 Recommendations to Improve Green Heat Total MSHP Central Heat Pump Solar/ Biomass Total MSHP Central Heat Pump Solar/ Biomass Total MS...

AI summary The document presents survey data on recommendations for improving the Green Heat program. Key findings include the need for increased rebates, better advertising, improved communication, simplified application processes, and more information on equipment and program requirements. A significant portion of respondents did not provide recommendations or indicated they did not know.

J3. Including yourself, how many people live in this residence on a full-time basis? 2018 2019 2021 Number of People in Household Total MSHP Central Heat Pump Solar/ Biomass Total MSHP Central Heat Pump Solar/ Biomass Total MSHP Central He...

AI summary The text presents statistical data on the number of people living in residences and age distribution across different heating systems in Nova Scotia from 2018 to 2021. The data includes sample sizes and percentages for different household sizes and age groups across various heating technologies.

Table 1: Overview of Data Collection Activity Descriptor This Instrument Instrument Type Interview Guide Estimated Time to Complete 15 min. Target Audience Distributors of mini-split heat pumps Expected Number of Completions n = 5 Contact...

AI summary The document outlines data collection activities for an interview guide targeting distributors of mini-split heat pumps. It includes details on the instrument type, timeline, and research objectives, with specific sections focusing on product efficiency, market size, and adoption curves.

RECORD ($): [PROBE: Please think of your most popular standard model. What is this model and what is its current selling price? ] B6. And what would be the average price of a high-performing cold climate MSHP with a 12,000 Btu/hour cooling...

AI summary The probe asks the respondent to consider their most popular standard model, its current selling price, and the average price of a high-performing cold climate MSHP with a 12,000 Btu/hour cooling capacity.

C. Market Size of Mini-Split Heat Pumps Now, I would like to specifically discuss your sales of MSHPs, and here we are talking about all MSHP sales not just high-performing MSHPs. C1. To the best of your knowledge, did your overall sales o...

AI summary The discussion focuses on the sales of Mini-Split Heat Pumps (MSHPs) from 2019 to 2020, specifically examining whether sales increased, decreased, or remained the same, along with the reasons for the change, including the impact of the COVID-19 pandemic, supply chain issues, and demand for renovations.

Increase No change Decrease % % Explanation: C2. To the best of your knowledge, have your overall sales of MSHP increased, decreased or stayed the same from 2020 to 2021? By what percentage an [increase/decrease]? Why do you think they hav...

AI summary The document asks whether the sales of Mini-Split Heat Pumps (MSHP) have increased, decreased, or stayed the same from 2020 to 2021, along with the percentage change and reasons, including the impact of factors such as the COVID-19 pandemic, supply chain issues, demand for renovations, and Federal Government incentives from the Greener Homes program.

Data Accuracy [Table](#page-98-1) [Table](#page-159-1) lists all the parameters required for the Green Heat evaluation. The Evaluator validated whether the data contained in the tracking sheet submitted by EOne were accurate based on previ...

AI summary The document discusses data accuracy in the Green Heat evaluation, referencing tables that list parameters required for the evaluation. The Evaluator assessed the accuracy and completeness of data submitted by EOne and adjusted data where necessary.

Table 1: Verification of 2021 Green Heat Data Field Completeness and Accuracy Data Fields Complete (Y/N/Partial) Consistent with Previous Evaluation If Incomplete or Inconsistent, Action Taken by the Evaluator Data for Each Project or Part...

AI summary The table verifies the completeness and accuracy of 2021 Green Heat data fields. It notes that heating system types were partially complete, with missing data for 114 participants and unknown for 28, leading to assumptions about electrical heating systems.

Table 2: Verification of 2021 Green Heat Data Field Consistency Data Field 1 Data Field 2 Consistent (Y/N) If Not, Action Taken by the Evaluator Tracked Line Loss Factor Tracked Rate Codes Y N/A Verification of Duplicate IDs or Projects -...

AI summary Table 2 verifies the consistency of the 2021 Green Heat data fields, confirming that no projects were claimed multiple times. Although 415 participants had multiple entries, the Evaluator ensured no double counting by checking differences in energy savings, certificate numbers, and other identifiers.

Table 4: 2021 Green Heat Corrected Tracked Savings Program Component Result Value Tracked by EOne Corrected Tracked Value Relative Difference Value Unit Value Unit Value Green Heat Gross Energy Savings at the Generator 11.095 GWh 11.218 GW...

AI summary Table 4 presents corrected tracked savings for the 2021 Green Heat program, showing minor differences between tracked and corrected values, primarily due to adjustments in heating capacity and COP at -15°C for mini-split heat pumps.

APPENDIX IX GREEN HEAT: 2021 RECOMMENDATIONS The Evaluator has no specific recommendation for Green Heat. This appendix summarizes the previous evaluation recommendations that were not fully implemented or deferred. Section Recommendations...

AI summary This appendix outlines previous Green Heat recommendations from 2017 that were not fully implemented or deferred. It highlights the need to improve the collection of technical information about central air-source heat pumps and develop a way for potential participants to better understand eligibility criteria for these systems.

Scenario OR To-code Model – with Neither Heat Pump nor Wood/Pellet Stove 9% As-built Model – with Heat Pump 0% As-built Model – Without Heat Pump 19% Non-electrical Heating System Used as Backup

AI summary The table compares the OR for different heating system scenarios, highlighting the impact of using heat pumps and wood/pellet stoves. The OR is 9% for the to-code model without heat pumps or wood/pellet stoves, 0% for the as-built model with heat pumps, and 19% for the as-built model without heat pumps.

[VOLUNTEERED] - 98. Don't know - 99. Refused - D11. [IF D10=YES] Just to confirm: before you learned about the Small Business Energy Solutions Program and the rebates offered through the program, you had already made the decision to instal...

AI summary The text presents a question from a proceeding, asking if a respondent had already decided to install heat pumps before learning about the Small Business Energy Solutions Program and its rebates.

[VOLUNTEERED] - 98. Don't Know - 99. Refused D15. [ASK IF D12 OR D13 ≥5] If there was no program rebate or financing, what is the likelihood that you would have postponed installing the heat pumps by at least one year? 0-10 SCALE WITH END...

AI summary The text presents a survey question asking respondents about the likelihood of postponing heat pump installation by at least one year if there was no program rebate or financing, using a 0-10 scale.

HVAC PATH (DIY Participants) - D10. Had your business already decided to install heat pumps BEFORE learning about the Small Business Energy Solutions Program? \

AI summary The document asks whether a business had already decided to install heat pumps prior to learning about the Small Business Energy Solutions Program.

- D11. Just to confirm: before you learned about the Small Business Energy Solutions Program and the rebates offered through the program, you had already made the decision to install heat pumps?\ Already Made Decision to Install Heat Pumps...

AI summary The proceeding asks whether businesses made the decision to install heat pumps before learning about the Small Business Energy Solutions Program and its rebates. It also inquires if the rebate influenced the decision to install heat pumps.

201 9 2021 Influence on Decision to Install Heat Pumps Sample Size Mean Sample Size Mean Program on-bill financing 3 9.3 2 10.0 Program rebate 4 7.0 8 9.6 Information or advice provided by a contractor 4 8.0 8 6.9 Information or advice rec...

AI summary The table presents survey results on factors influencing the decision to install heat pumps, with data on program financing, rebates, contractor information, and the Efficiency Trade Network. It shows responses from two groups, with mean scores indicating varying levels of influence.

Interactive Effects on Heat Pump Heating Since the interactive effects factors for electrical heating are based on a heating system efficiency of 100%, some adjustments are necessary for homes that use a heat pump as a primary heating syst...

AI summary The document discusses adjustments to interactive effects factors for heat pump heating, considering the efficiency of mini-split heat pumps, which exceeds 100%. Based on data from EPI participants, mini-split heat pumps are the most common type, and their COP is used to adjust the interactive effects factor for heating to -26.4%.

Summary [Table](#page-183-0) 29 presents a summary of the values used to calculate heat pump water heater (HPWH) savings. The detailed methodology follows.

AI summary Table 29 summarizes the values used to calculate heat pump water heater (HPWH) savings, with a detailed methodology provided in the following text.

Installation Rates Installation rates for heat pump water heaters are estimated at 100% due to their relatively high cost.

AI summary Installation rates for heat pump water heaters are estimated at 100% due to their relatively high cost.

Table 49: Unitary Peak Demand Savings Values for Mini-split Heat Pumps Variable Symbol Green Heat Source Rated heating capacity of the new heat pump at outdoor air temperature of -15°C [kBTU/h] 𝐻𝐶𝑚𝑖𝑛 Specification data for each installed s...

AI summary The table provides unitary peak demand savings values for mini-split heat pumps, including variables such as heating capacity, coefficient of performance, and conversion factors. Adjustments are made based on performance at different temperatures using simulation software and equations provided by NRCan.

Summary [Table](#page-5-0) 50 presents a summary of the values used to calculate central air-source heat pump (CASHP) savings. The detailed methodology follows.

AI summary Table 50 summarizes the values used to calculate central air-source heat pump (CASHP) savings, with a detailed methodology provided afterward.

1 Table 6: Existing Residential Program Results Table 6: Existing Residential Program Results Existing Residential (2021) • Green Heat provides financial incentives to homeowners to reduce electricity consumption through the installation o...

AI summary Table 6 outlines existing residential programs, including Green Heat, which offers financial incentives for installing high-efficiency heating systems like heat pumps and biomass, as well as peak demand reduction measures such as Electric Thermal Storage (ETS).

Table 4: Update on Implementation of 2020 Verification Recommendations Year Evaluation/ Verification Recommendation Text Source Status Comments Expected Period of Completion Evaluation Consider tracking the parameters of heat pumps install...

AI summary The document discusses the evaluation of tracking heat pump parameters installed through the Home Energy Assessment (HEA) program to improve the accuracy of peak demand savings calculations. The current method involves multiplying the capacity of each heat pump with the average unitary peak.

4. Green Heat The Green Heat Program targets replacement and supplementation of heating systems by installation of equipment that uses fuel derived from renewable resources. The new equipment may either fully replace or supplement existing...

AI summary The Green Heat Program promotes renewable heating systems, offering incentives for biomass, solar thermal, and heat pump installations. Since 2018, federal funding via LCEF supports non-electric homes. The Klondike pilot (2020) expanded demand reduction measures. Econoler's 2021 evaluation showed 8% participation growth, 76% of savings from mini-split heat pumps, and high participant satisfaction (9/10). Net energy savings reached 6.795 GWh, with reduced free-ridership and market growth.

1 Refrigeration ton = 12000 Btu HSPF: Heating Seasonal Performance Factor SEER: Seasonal Energy Efficiency Ratio EER: Energy Efficiency Ratio COP: Coefficient of Performance Please Note: Nova Scotia is located in climate region 5, however...

AI summary The document provides definitions for refrigeration ton, HSPF, SEER, EER, and COP, and notes that Nova Scotia is in climate region 5, but most heat pump specifications are based on climate region 4. It also includes a contact number for inquiries about heat pump eligibility.

The Isaac family's story The Isaac family live in a 1980s home in suburban Bedford. Although the insulation was already quite efficient, the house was due for some upgrades to the heating, hot water, and ventilation systems. Upon completio...

AI summary The Isaac family in Bedford upgraded their home's heating and hot water systems with a mini-split heat pump and a heat pump hot water heater following a Home Energy Assessment, leading to energy savings and increased comfort.

4. Example of a new measure Measure Name: smart thermostats for central air source heat pump

AI summary This section introduces a new measure involving the deployment of smart thermostats for central air source heat pumps, aiming to improve energy efficiency and consumer comfort.

1, at 113). The Program Administrators’ proposed improvements for the income-eligible sector include: (1) an emphasis on heat pumps paired with weatherization and active demand 42 The Program Administrators state that they use the terms “i...

AI summary The Program Administrators propose improvements for the income-eligible sector, including heat pump initiatives, centralized intake websites, multifamily retrofit opportunities, and remote assessment enhancements. They also aim to support Community Action Agencies and propose strategies for the commercial and industrial sectors.

ttps://www.mass.gov/info-details/environmental-justice-populations-in-massachusetts. Date Filed: April 29, 2022 NSUARB IR-17, Attachment 3, Page 64 of 343 D.P.U. 21-120 through D.P.U. 21-129 Page 51 statewide average of 32 percent;47 (4) m...

AI summary The Program Administrators plan to increase electrification efforts from 2022 to 2024, focusing on building retrofits, weatherization, and efficient electrification of heating with high-efficiency heat pump technologies. Priority will be given to customers using oil, propane, or electric resistance heating due to potential cost savings and easier installation.

he Program Administrators will prioritize customers who currently heat with oil, propane, or electric resistance heating, as they are more likely to realize reduced heating costs from 47 The Program Administrators define participation as t...

AI summary The Program Administrators prioritize customers heating with oil, propane, or electric resistance heating for heat pump transitions, as they are more likely to reduce heating costs. Enhanced incentives are offered for customers switching from natural gas to heat pumps, with additional incentives for weatherization prior to installation, especially for income-qualified moderate-income customers.

a prerequisite for accessing the enhanced moderate-income heat pump incentives (Exh. DPU-Comm 11-7). If the moderate-income customer chooses not to install the recommended weatherization measures, the customer will continue to have access...

AI summary The text outlines electrification strategies, including enhanced moderate-income heat pump incentives, all-electric new construction pathways, and targeted outreach for weatherized homes. It also defines moderate-income customers for the 2022-2024 Three-Year Plan and mentions the development of a statewide heat pump education campaign.

xh. 1, at 16). The Program Administrators plan to develop a statewide heat pump education campaign, which includes dedicated heat pump awareness marketing and dedicated heat pump pages on the Mass Save website, and a heating comparison cal...

AI summary The Program Administrators plan to develop a statewide heat pump education campaign, including marketing, website content, and a heating comparison calculator. They also plan to train HVAC contractors, engage vocational schools, and work with manufacturers to increase heat pump adoption and training.

de Plan, Exh. 1, App. A at 7). In addition, the Program Administrators assert that development of the Statewide Plan involved discussions between the Program Administrators, the Council, DOER, the Attorney General, LEAN, contractors, consu...

AI summary The Program Administrators emphasize the importance of accelerating heat pump installations to transition heating systems away from fossil fuels. They argue that market transformation can be achieved through collaboration with all market actors and by offering incentives, training, and education. Educating customers on the benefits of electrification is highlighted as critical for long-term success.

2 NSUARB IR-17, Attachment 3, Page 77 of 343 D.P.U. 21-120 through D.P.U. 21-129 Page 64 savings, and GHG emissions reductions resulting from the installation of high efficiency heating systems, including heat pumps (Program Administrators...

AI summary The Program Administrators outline plans to promote electrification by engaging customers with HVAC specialists, ensuring economic benefits for income-eligible customers, and providing disclosures on energy spending impacts associated with heat pump installations.

hs. DPU-Comm 3-6; DPU-Comm 3-8; DPU-Comm 5-9; DPU-Comm 5-10; DPU-Comm 5-11; DPU-Comm 5-12; DPU-Comm 5-17; DPU-Comm 12-13). While the Program Administrators state that they will encourage right-sizing through customer and contractor educati...

AI summary The Department of Public Utilities (DPU) highlights concerns about the lack of weatherization and proper heat pump sizing prior to installation, which may increase energy costs for customers. The DPU also notes that the Program Administrators have not adequately considered the impact of increased electricity demand from electrification on grid resiliency and reliability.

moderate income customers as a prerequisite to accessing enhanced heat pump incentives (Exhs. DPU-Comm 5-7; DPU-Comm 12-11; DPU-Comm 12-21). A differentiated incentive approach, like the proposed moderate income offering, may provide some...

AI summary The Department recommends a differentiated incentive approach for heat pump installations, requiring moderate income customers to weatherize before receiving enhanced incentives. This approach aims to encourage all residential customers to reduce energy consumption and optimize fuel conversions during the early phases of electrification efforts.

D.P.U. 21-120 through D.P.U. 21-129 Page 110 enhanced incentive for prior weatherization).78 As noted above, the Program Administrators state that weatherization is provided along with heating system upgrades for low-income customers (Exh....

AI summary The Department requires Program Administrators to weatherize low-income buildings before installing heat pumps, unless impractical, and to file detailed protocols by May 2, 2022. The Department supports efforts to ensure electrification marketing reaches all customers and aligns with decarbonization goals outlined in the Massachusetts 2050 Decarbonization Roadmap.

benefits. The Department fully supports the Program Administrators prioritization of heat pumps and encouraging adoption of low-carbon technologies through market transformation. However, as the Program Administrators have explained, some...

AI summary The Department supports the prioritization of heat pumps and low-carbon technologies but emphasizes the need to address technical and financial barriers for some customers. It highlights that fully replacing oil heat with heat pumps may increase lifetime costs and stresses the importance of ensuring affordability and equity in program implementation.

Department also expects the Program Administrators to ensure that heat pump installers are properly trained on program requirements, quality installation, and right-sizing prior to these contractors providing strategic electrification serv...

AI summary The Department requires Program Administrators to ensure proper training of heat pump installers and track installations at the ZIP code level. They must also conduct an evaluation study comparing energy usage and costs for customers who weatherized before or after heat pump installation. These modifications are intended to align the electrification component with energy efficiency principles and the Green Communities Act.

ecent home energy assessment, including any weatherization recommendations (Exh. Compact-9, at 4). The Compact proposes to use a third-party ownership model for the solar PV plus battery energy storage systems, which allows the third-party...

AI summary The Compact proposes a third-party ownership model for solar PV and battery energy storage systems, using incentive programs to offset costs and ratepayer funding to cover remaining expenses. It also proposes a 100% incentive for low- and moderate-income customers switching to heat pumps.

with model year 2021. Colorado's Air Quality Control Commission approved the proposed measure 8-1. More information here: https://www.colorado.gov/pacific/cdphe/zero-emission-vehicle-mandate-proposal. The State of Colorado has adopted the...

AI summary Colorado has adopted a zero-emission vehicle (ZEV) standard with sales quotas increasing over time, starting with model year 2021. The State also aims to have 940,000 electric vehicles on the road by 2030 and is developing more detailed goals for medium- and heavy-duty vehicles. Additionally, Colorado has set GHG reduction targets of 26% by 2025, 50% by 2030, and 90% by 2050.

ed with the multi-state ZEV MOU, the state will “establish goals to ensure that a minimum of 25 percent of new light-duty state fleet purchases and leases, for applicable uses, will be ZEVs by 2025.” Last Reviewed: July 2020 ","The Departm...

AI summary Vermont has set a goal for 25% of new light-duty state fleet purchases and leases to be zero-emission vehicles by 2025. The Department of Buildings and General Services (BGS) manages an in-house revolving loan fund for building efficiency, including an ESPC with NORESCO. The University of Vermont Smart Grid Research Center studies smart grid technology implications. Vermont updated its residential and commercial building energy standards in 2020, incorporating IECC 2018 and ASHRAE 90.1-2016 requirements.

Michigan does not presently impose mandates on the purchase of EVs or requirements for their access to people of underserved communities. However, Governor Whitmer established the Council on Future Mobility and Electrification in 2020 to r...

AI summary Michigan does not currently mandate EV purchases or ensure access for underserved communities. Governor Whitmer established the Council on Future Mobility and Electrification to develop policies, including incentives and payment structures. A study by Michigan State University identified optimal EV charging locations, and MDOT is researching public charging options. OFME is working on multi-state charging routes and an EV readiness guidebook for local governments.

Increasing the size and skill of the Rhode Island clean energy workforce has been a priority since the inception of the State Energy Plan in order to ensure all cost-effective energy efficiency opportunities can be pursued. A component of...

AI summary Rhode Island has prioritized expanding its clean energy workforce since the State Energy Plan's inception. Strategies include leveraging utility-run energy efficiency programs for training and recruitment, with a focus on emerging technologies like heat pumps. The 2021-2023 Three-Year Plan emphasizes contractor training, partnerships with educational institutions, and upskilling existing workers. The Office of Energy Resources collaborates with the Commerce Department to track progress toward Governor Raimondo's goal of 20,000 clean energy jobs by 2020.

t. Low Income Heat Pump Initiative: This initiative works directly with Maine's Community Action Programs to identify low income homeowners with high fuel usage and install heat pumps in those homes. Commercial and Industrial Custom Progra...

AI summary The Low Income Heat Pump Initiative collaborates with Maine's Community Action Programs to assist low-income homeowners with high fuel usage by installing heat pumps. The Commercial and Industrial Custom Program offers funding up to $1 million or 50% of project costs to achieve energy savings through private investment.

H. Gil Peach Responses to Small Business Advocate (SBA) Information Requests NON-CONFIDENTIAL characteristic of the program. Since, typically, there is very positive perception of Green Heat measures, and customers typically talk about the...

AI summary The response discusses the Green Heat program's positive customer perception, low likelihood of measure removal, and rare equipment failures leading to complaints. Customers typically handle defective equipment through warranties, while performance dissatisfaction may result in complaints.

Efficiency and Building Electrification Portfolios Through 2025: A Brief on the New York Public Service Commission's Recent Order. Synapse Energy Economics for the Natural Resources Defense Council. Hopkins, A. S., K. Takahashi, Nadel, S....

AI summary The document lists publications on energy efficiency, building electrification, and related studies by Synapse Energy Economics for organizations like NRDC and Bloom Energy. Topics include heat pump technology, low-income programs, energy efficiency budgets, and stakeholder collaboration in New York and Vermont. Case 18-M-0084 is cited regarding energy efficiency initiatives.

4.8 New Home Construction Program [157] The New Home Construction (NHC) program was adopted in 2011. The program has provided "support, education, and incentives to the building industry" in the province. While E1 states in its application...

AI summary The New Home Construction (NHC) program, adopted in 2011, is proposed for wind-up by E1 due to reduced savings from heat pump adoption, increasing program costs. E1 plans to replace it with a market transformation program under Enabling Strategies to align with net-zero goals. The wind-up would reduce 2022 investment by $2 million, with NHC spending dropping to under $1 million in 2023.

Request IR-36: - Appendix A, pages 67 of 149, Table 24: The Enhancements for 2023-25 notes that the "Affordable - Multi-Family Housing & Non-Profit Organizations Program Component" will introduce new ways - to access rebates for heat pumps...

AI summary The Affordable Multi-Family Housing & Non-Profit Organizations Program Component introduces new rebate access methods for heat pumps and water heaters. The request seeks details on these mechanisms under Nova Scotia's Demand Side Management (DSM) initiatives.