Topic:"Heat Pumps" in M08604

continue monitoring key market indicators for MSHPs moving forward.

AI summary The text indicates a need to continue monitoring key market indicators for Mini Split Heat Pumps (MSHPs) as part of ongoing analysis or planning.

e.g., one-ton capacity Unitary savings of an air-source heat pump) or a participant (e.g., one participant taking part in a behaviour-based program). Project No. 6138 v Evaluation of 2017 DSM Programs Efficiency Nova Scotia Executive Summa...

AI summary The text references an evaluation of Efficiency Nova Scotia's 2017 DSM programs, including examples like air-source heat pump savings and behavior-based participant engagement. Project No. 6138 is cited, focusing on program performance metrics.

Participants Retailers Associations Manager Contractors Advisors Appliance Retirement 1 - 1 - - - Instant Savings 1 - - 8 - - Home Energy Assessment 1 - - - 4 - Green Heat 1 20 - - - - Efficient Product Installation 1 - - - - - New Home Co...

AI summary The table presents participation numbers across energy efficiency programs and stakeholder roles in Nova Scotia. It highlights varying levels of engagement from retailers, contractors, and advisors for initiatives like Appliance Retirement, Instant Savings, and Business Energy Rebates, with totals indicating program-specific involvement metrics.

h program component. The complete results of the on-site work are provided in the individual program component evaluation reports. Table 4: 2017 On-site Visits On-site Visits Program Component Completed in 2017 Appliance Retirement 3 Green...

AI summary The text details on-site visits conducted in 2017 for various program components, including appliance retirement, green heat, and efficient product installation, with specific numbers of visits completed for each initiative.

Efficiency Nova Scotia Executive Summary in LED sales is expected to continue in the years ahead since more efficient technology is not currently available and Canadian energy efficiency regulations will not impact LED lamps and fixtures i...

AI summary The document discusses the performance and evolution of the Green Heat program, particularly the inclusion and impact of mini-split heat pumps (MSHPs). It highlights that MSHPs became a significant part of the program after 2015, with participation increasing following changes in eligibility and incentive structures. However, despite high market adoption, efficiency improvements have been minimal since 2015.

FRM5 = Answer x 10% Scotia, would you have paid the total cost of your high-efficiency heat pump? (Scale 0 9 90% 10 100% 10 100% IF DK OR REF: FRM5 = EMPTY to 10) FRM6. Level of influence (Scale 0 to 10) - - -

AI summary The text presents a survey question asking Scotia about the likelihood of paying the total cost of a high-efficiency heat pump, using a scale from 0 to 10. It also includes a placeholder for a second question regarding the level of influence, though it is not fully developed.

m IF 1, 2 or 3: END 4 - NA - NA - 2. Purchased a new electric heating system IF 4: ASK FRM3 3. Purchased a new non-electric heating system (e.g. oil or gas system) 4. Purchased a heat pump FRM3. [ASK IF FRM2=4] If the program had not been...

AI summary The text outlines a form used to assess customer behavior related to heat pump purchases, including awareness of efficiency standards and the influence of the Green Heat Program. It includes questions about likelihood of postponing purchases and awareness of high-efficiency heat pumps prior to the program.

pumps provided by Efficiency Nova Scotia Factor c. Information on the benefits of high efficiency heat 7 10 10 pumps provided by the retailers IF FRM4a = 100% and FRM5 < 70% Inconsistency Test - FRM4a FRM4a = EMPTY, - 0% - 100% - 0% OTHERW...

AI summary The text discusses the provision of high efficiency heat pumps by Efficiency Nova Scotia and retailers, and includes calculations and tests related to performance ratings and scores, such as FRM4a and PA2, which are used to assess efficiency and compliance.

Efficiency Nova Scotia 2017 DSM Evaluation Report New Path On August 1, 2017, Green Heat was relaunched as a mail-in rebate program component, thereby eliminating the pre-approval process. Homeowners now have 90 days after the purchase and...

AI summary In 2017, Green Heat was relaunched as a mail-in rebate program, removing the pre-approval process and changing the incentive structure for heat pump equipment. Incentives for four heat pump types are now based on refrigeration ton rather than fixed amounts, and incentives for wood and pellet furnaces were reduced. ENS discontinued its financing option and referred applicants to HEA or NSP for financing.

differences between two groups when data are nominal. The Evaluator used a significance level of .05, so a p value of .05 or lower indicates a statistically significant difference in this analysis. Green Heat 49 Existing Residential Progra...

AI summary The analysis compares price categories for MSHP installations, showing increasing mean prices across scenarios. Some participants delayed heat pump installation due to existing heating system adequacy or lack of detailed equipment information.

acked detailed information about the equipment (9%). Additional reasons reported by participants, though with lower frequency, included concerns about the reliability and energy savings of heat pumps. On average, participants expressed mor...

AI summary Participants in the program expressed significant concerns about equipment reliability and selecting the right equipment, with over two-thirds very concerned about reliability. Concerns about energy savings were also high, with 43% very concerned about realizing promised savings. Participants under the old path had concerns about project approval, while those using financing were worried about repaying loans.

ons were performed by Wood Energy Technology Transfer certified professionals, as required by Green Heat, and participants indicated no issues with the new biomass heating systems. Heat Pump Measures The Evaluator confirmed that the new he...

AI summary The evaluation of the Green Heat program found that biomass heating systems were successfully installed with no issues reported. Heat pumps were primarily used as the main heating source in most homes, though some had secondary systems. One participant had a heat pump installed on the main floor, but it was not eligible under the program due to the existing heating system being a wood stove. The ENS application process was noted as clear and not an oversight.

_ kW/kW COP for the new heat pump at -15 °C installed system Non-electrically Heated Households For non-electrically heated households, tracked MSHP energy savings are currently calculated based on a slightly modified version of the Pennsy...

AI summary The document discusses modifications to the energy savings calculation for mini-split heat pumps (MSHPs) in non-electrically heated households, using a modified version of the Pennsylvania PUC TRM49. It also outlines changes to peak demand savings calculations, incorporating the rated heating capacity and COP at -15 °C.

ured using electrical billing data prior to the installation of the heat pump. 54 The Cadmus Group, Inc., Ductless Mini-Split Heat Pump Impact Evaluation, Prepared for the Electric and Gas Program Administrators of Massachusetts and Rhode...

AI summary The evaluation report considers basecase scenarios for non-electrically heated households under the Green Heat program, assessing how different participant behaviors affect energy savings based on whether they would have purchased a heat pump, switched to electrical heating, or kept their existing non-electrical heating system.

Yes No n = 14 n=7 Alternate Heating If the program had not been offered, which of the following actions would you have taken? System Would have installed Would have purchased a Would have kept non‐ another electrical heating heat pump elec...

AI summary The text presents survey responses about customer behavior regarding heat pump installation under a program. It shows that 7 participants would have installed a heat pump, 0 would have purchased another electrical heating system, and 0 would have kept a non-electrical heating system. It also indicates that 4 participants would have postponed the purchase by more than 5/10, while 3 would have postponed by less than or equal to 5/10.

savings. Table 40: Definition of the Parameters and their Numerical Values - ASHP Acronym Unit Variable Value/Source

AI summary The text introduces Table 40, which defines parameters and their numerical values for Air Source Heat Pumps (ASHP). It lists acronyms and their corresponding expansions, providing context for the technical terms used in the analysis of heat pump performance.

nd using the energy savings of 4,838 kWh and the average HSPF of 7.89 in the algorithm below, EFLH are estimated at 842 hours. ∗ – This means that heat pumps operate in heat pump mode for 842 hours rather than in electrical resistance mode...

AI summary The text discusses the estimation of Equivalent Full Load Hours (EFLH) for heat pumps using energy savings and heating season performance factors (HSPF). It compares findings from an Independent Electricity System Operator (IESO) analysis in Ontario with the current study, noting similarities in energy savings despite differences in supplemental heat usage.

Table 53: Share of Primary Heating Systems in Nova Scotia 2013 2015 Forced Air Furnaces 31% 24% Electric Baseboard Heaters 29% 28% Heating Stoves 7% 6% Boilers with Hot Water or Steam Radiators 23% 24% Electric Radiant Heating 3% 2% Heat P...

AI summary The text provides data on the share of primary heating systems in Nova Scotia in 2013 and 2015, and discusses the Green Heat program's eligibility criteria for multi-split heat pumps (MSHPs), which were updated in August 2017 to target higher efficiency systems with specific HSPF thresholds.

Heat pumps were the primary heating source in 11% of Nova Scotia homes in 2015, up from 6% in 2013. Data on secondary sources were unavailable. Market share of heat Participating contractors reported that efficient MSHPs (i.e. Green Heat p...

AI summary Heat pumps have seen increased adoption in Nova Scotia homes, with 11% using them in 2015. High-efficiency models dominate sales, though eligibility changes may impact this trend. Contractors note price and market competition as factors influencing consumer choices. Building codes still consider electric resistance heating as the minimum efficiency standard for small residential buildings.

or updates to near-term code or standard requirements for heat pumps in the latest federal energy efficiency regulations and no known plans to make heat pumps mandatory. Market readiness of more efficient substitute Not applicable technolo...

AI summary The text discusses the market readiness of more efficient heat pump technologies, specifically MSHPs, and highlights the ongoing evolution of the market. It also notes the influence of the Green Heat program and the need for further data to assess market adoption. The EPI program and its evaluation are also briefly mentioned.

g that it is “Very unlikely” and 10, “Very likely”. [PROBE FOR SPECIFIC RESPONSE – DO NOT ACCEPT A RANGE] _ Response _98 Don’t Know _99 Refused Project No. 6138 59 Existing Residential Program Efficiency Nova Scotia 2017 DSM Evaluation – A...

AI summary The text discusses a survey on the installation of high-efficiency heat pumps under the Green Heat Program, focusing on respondents' awareness and decision-making process before the program was introduced.

Efficiency Nova Scotia 2017 DSM Evaluation – Appendix Report M4. [IF M3 = 1, Yes] So you considered installing a mini-split heat pump prior to 2017. What kept you from installing a mini-split heat pump in previous years? [DO NOT READ, PROB...

AI summary This document from Efficiency Nova Scotia's 2017 DSM Evaluation includes survey questions about barriers to installing mini-split heat pumps and feedback on the Green Heat program. It seeks to understand customer experiences and identify areas for program improvement.

18% Base: MSHP respondents U2. What type of heating system is it? Is it… Other Heating Systems Installed 2017 Sample Size 42 Electric baseboards of electric furnace 71% Heating stove (wood or pellet) 14% Electric thermal storage/ETS 7% Oth...

AI summary The text presents survey data on heating systems installed in homes, focusing on electric baseboards, wood or pellet stoves, and electric thermal storage. It also includes data on the areas heated by mini-split heat pumps installed through the Green Heat program.

, which of the following actions would you have taken? Actions Taken in Absence of Green Heat 2017 Sample Size 24 Kept your existing system 46% Purchased a heat pump 38% Purchased a new electric heating system 4% Don’t know 13% Base: MSHP...

AI summary This text presents survey results on consumer behavior regarding heat pump purchases, including the percentage of respondents who would have kept their existing heating systems or purchased a heat pump in the absence of a program rebate or financing. It also asks respondents to rate the likelihood of postponing a heat pump purchase by at least one year if the program rebate or financing was not offered.

d 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, with a 0 indicating that it is “Very unlikely” and 10, “Very likely”. 2017 Actions Taken in Absence of Green Heat Sample...

AI summary The text asks respondents how likely they would have postponed the purchase of a heat pump by at least one year without the Green Heat Program, using a scale from 0 to 10. It also asks if they were aware of high-efficiency heat pumps operating below -15°C before learning about the Green Heat Program.

n – Appendix Report FRM4. Were you aware of the availability of high efficiency heat pumps that operate at temperatures below -15°C before you heard about the Green Heat Program? Aware of High Efficiency Heat Pumps 2017 Sample Size 39 Yes...

AI summary The data shows that 69% of respondents were aware of high efficiency heat pumps operating below -15°C before the Green Heat Program, and 70% had already decided to install them prior to the program's introduction.

30% Base: MSHP respondents who were aware of high efficiency heat pumps prior to participating in the program component FRM5a. [IF REBATE] Efficiency Nova Scotia gave a rebate of $[INCENTIVE] for your new high- efficiency heat pump. If you...

AI summary The text presents survey results from participants in the high-efficiency heat pump program, assessing whether they would have paid for or financed the installation of a heat pump without program incentives. The mean response for rebate recipients was 8.8, while for financing recipients it was 5.0.

who previously decided to install a heat pump prior to hearing about Green Heat, or were likely to purchase a heat pump without the program component Don’t know/Refused excluded from calculations Project No. 6138 75 Existing Residential Pr...

AI summary The text discusses a survey question asking participants to rate the influence of various factors on their decision to install a high-efficiency heat pump, using a scale from 0 to 10.

10, where 0 means “No influence” and 10 means “Great influence”, please rate the influence of each of the following in your decision to install a high-efficiency heat pump. 2017 Influence of Factors on Decision to Have High Efficiency Heat...

AI summary The text discusses factors influencing the decision to install high-efficiency heat pumps, focusing on the influence of information provided by retailers and ENS, as well as the impact of program rebates or financing. It also includes a question about whether respondents had already decided to install the equipment before learning about the Green Heat Program.

T A RANGE] _ Response _98 Don’t Know _99 Refused Series B: Questions on the decision to install a high-efficiency heat pump [ASK ALL RESPONDENTS] Only high-efficiency heat pump models are eligible for a rebate under the Green Heat program,...

AI summary The text discusses a survey related to the installation of high-efficiency heat pumps under the Green Heat Program, focusing on respondents' awareness and decision-making process regarding the choice of high-efficiency models over less efficient alternatives.

used excluded from calculation Base: Respondents who previously decided to install a heat pump prior to hearing about Green Heat, or were likely to purchase a heat pump without the program component FRM4. Were you aware of the availability...

AI summary The text presents survey results regarding awareness of high-efficiency heat pumps before the Green Heat Program was introduced. It indicates that 75% of respondents were already aware of these heat pumps prior to learning about the program.

heat pump? Please answer on a scale of 0 to 10, with a 0 indicating that you “Definitely Would Not Have Paid” and a 10 indicating that you “Definitely Would Have Paid.” 2017 Would Have Paid Full Cost of High Efficiency Heat Pump Sample Siz...

AI summary The text asks respondents to rate how much they would have paid for a high-efficiency heat pump on a scale from 0 to 10 and to rate the influence of various factors on their decision to install one. The sample size is 47, with a mean score of 8.6.

2 Multiple responses Base: Respondents who were less than satisfied with the program component (S1<8) S3. For the next few statements, I’d like you to think back to the point when you started to consider installing a mini-split heat pump....

AI summary Respondents who were less than satisfied with the program component expressed concerns about selecting the right equipment, the reliability of the mini-split heat pump, finding a qualified contractor, and the overall cost of installation. Concerns were rated on a scale from 0 to 10, with higher values indicating greater concern.

Efficiency Nova Scotia 2017 DSM Evaluation – Appendix Report M4. So you considered installing a mini-split heat pump prior to 2017. What kept you from installing a mini-split heat pump in previous years? Barriers to Installing a Heat Pump...

AI summary The text discusses barriers to installing mini-split heat pumps prior to 2017, with cost being the primary barrier. It also asks about the most helpful aspect of the Green Heat program, indicating a focus on customer feedback and program evaluation.

ding air-to-water) GDS, 2007 Air-to-water heat pumps; 18

AI summary The text references a 2007 study by GDS on air-to-water heat pumps, indicating a focus on this technology in the context of energy efficiency.

next step. Econoler also recommends a technical study of the performance of air source heat pumps (ASHPs) 28 P a g e Verification Review of Program Year 2017 Evaluation Results at -15º Celsius which would require that Efficiency Nova Scoti...

AI summary Econoler recommends a technical study on the performance of air source heat pumps (ASHPs) at -15º Celsius, improved tracking of performance data, and a market characterization of mini-split heat pumps (MSHPs). They also request a clear list of eligible equipment and a survey of non-electrically heated households to support program improvements.

construction 14 30 $500 / ton Large Air Source Heat Pumps Single package (unitary) systems, ducted split systems, ductless split systems and variable refrigerant flow units are eligible for rebates. High Low Heating Heating (47F) Min (17F)...

AI summary The text outlines rebate eligibility for large air source heat pumps, specifying system types, performance metrics, and requirements. It includes details on heating capacity, COP, EER, and rebate amounts.

Heating (47F) Min (17F) Min Size (Nominal Capacity) COP COP Min EER Requirements Rebate 3.3 2.25 10.8 • Heat pump must be utilized during $500 / ton ≥ 65,000 Btu/h and heating season < 135,000 Btu/h 3.6 2.45 11.9 • Must off-set electric re...

AI summary The document outlines rebate requirements and efficiency standards for heat pumps based on their nominal capacity and COP (Coefficient of Performance) values. Different rebate amounts are specified depending on the size and efficiency of the heat pump system.

ENS-01158-V11 Date Filed: May 30, 2018 SBA IR-15 Attachment 1, Page 6 of 23 Air-to-Water Heat Pumps Size (Nominal Capacity) Min EER Min COP Requirements Rebate • Heat pump must be utilized during heating season • Must off-set electric resi...

AI summary The document outlines rebate requirements for air-to-water heat pumps, specifying minimum EER and COP values, usage conditions, and rebate amounts. It emphasizes that heat pumps must offset electric resistance heating during the heating season.

lacing an existing air-source or water source heat pump or in a new construction Packaged Terminal Heat Pumps (PTHP) New Construction Replacement (Standard Size ) (Non-Standard Size ) High Low Heating Heating Size (47F) (17F) Min Min (Nomi...

AI summary The text outlines rebate requirements for heat pumps, specifying minimum performance standards and eligibility criteria for new construction and replacement units, including the need for AHRI certification and offsetting electric resistance heating.

ing pilot in 2018, which gives homeowners the option to have EnerGuide information 6 included with their home listing on the ViewPoint.ca real estate website. 7 8 Green Heat 9 10 Green Heat will continue its focus on ductless MSHPs in 2018...

AI summary The document outlines Green Heat's 2018 initiatives, focusing on ductless MSHPs, hybrid heat-pump water heaters, and wood and pellet stoves. It also mentions the pilot of thermostatic shower valves under Efficient Product Installation (EPI) to reduce hot water and energy waste.

orized based on their existing heating system type. include all participants for which a full heating season of data is available Because of the small sample sizes for each category, it was difficult to establish distinct post-participatio...

AI summary The evaluation of air-source heat pump (ASHP) billing data was limited by small sample sizes, making it difficult to establish distinct savings per category. The Evaluator recommends re-conducting the analysis in 2018 to obtain a larger sample and improve accuracy.

f previous DSM Resource Plans, the most 28 current evaluation results will inform savings estimates for the 2019 DSM Resource 29 Plan. The eTRM is in the process of being updated to reflect the 2017 evaluation 30 results. Please refer to t...

AI summary The document discusses updates to the eTRM, including revised deemed savings values for Appliance Retirement, new interactive effects categories for Residential Efficient Product Installation, and updated energy savings assumptions for heat pump measures based on the 2017 evaluation results.