E-3E1 (NSPI) RIRs to IR-1 to IR-69
18 passages
NON-CONFIDENTIAL 1 d) The 2020-2022 DSM Resource Plan introduces the following specific program 2 enhancements to further overcome participation barriers: 3 • New service: 4 o Appliance replacement: full-service appliance replacement packa...
AI summary The 2020-2022 DSM Resource Plan introduces several program enhancements to overcome participation barriers, including new services, measures, program components, approaches, and increased financial support for energy efficiency initiatives in Nova Scotia.
th AHRI 340/360 for IEER −8.3°C inlet air IEER ≥ 11.2 3 Large heat pumps that have a CSA C74617 Energy efficiency ratio ≥ 11.0 On or after January 1, cooling capacity of ≥ 19 kW 2018 Heating coefficient of performance ≥ and < 40 kW 3.3 wi...
AI summary This text outlines energy efficiency requirements for large heat pumps based on their cooling capacity, specifying minimum energy efficiency ratios (EER) and heating coefficients of performance (HSPF) under different standards and dates.
≥ 3.1 with 8.3°C inlet air and ≥ 2.0 with −8.3°C inlet air 5 Large heat pumps that have a CSA C74606 for energy Energy efficiency ratio ≥ 10.6 On or after January 1, cooling capacity of ≥ 40 kW efficiency ratio and heating 2010 and before...
AI summary The text outlines energy efficiency requirements for large heat pumps with cooling capacities between 40 kW and 70 kW. It specifies minimum energy efficiency ratios, heating coefficients of performance, and IEER standards based on inlet air temperatures and effective dates.
≥ 3.2 with 8.3°C inlet air and ≥ 2.2 with −8.3°C inlet air 2 Large heat pumps that have a CSA C74606 for energy Energy efficiency ratio ≥ 10.8 On or after January 1, cooling capacity of ≥ 19 kW efficiency ratio and heating 2010 and before...
AI summary The text outlines energy efficiency requirements for large heat pumps with cooling capacities between 19 kW and 40 kW, specifying minimum energy efficiency ratios and heating coefficients of performance based on inlet air temperatures and effective dates.
th −8.3°C inlet air IEER ≥ 12.0 4 Large heat pumps that have a CSA C74698 Energy efficiency ratio ≥ 9.1 On or after cooling capacity of ≥ 40 kW December 31, 1998 and Heating coefficient of performance and < 70 kW before January 1, 2010 ≥...
AI summary The document outlines energy efficiency requirements for large heat pumps with cooling capacities between 40 kW and 70 kW, specifying minimum energy efficiency ratios and heating coefficients of performance under different inlet air temperatures and applicable standards.
th AHRI 340/360 for IEER −8.3°C inlet air IEER ≥ 10.5 6 Large heat pumps that have a CSA C74617 Energy efficiency ratio ≥ 10.4 On or after January 1, cooling capacity of ≥ 40 kW 2018 Heating coefficient of performance ≥ and < 70 kW 3.2 wi...
AI summary The text outlines energy efficiency requirements for large heat pumps with varying cooling capacities, specifying standards from CSA and AHRI, along with performance metrics such as energy efficiency ratio and heating coefficient of performance, effective from different dates.
3 Single package heat pumps CSA C65614 for information (a) product classification set out that are threephase, other set out in paragraphs (a) in column II of Table 1 to than those that are to (e) CSA C65614; throughthewall, manufactu...
AI summary The text outlines requirements for single package heat pumps that are three-phase, manufactured on or after January 1, 2017, referencing CSA C656-14. It specifies product classification, cooling and heating capacities, energy efficiency ratios, and the phase of electric current.
region for the factor; and (f) phase of electric current. 4 Single package heat pumps that are throughthewall and CSA C65605 (a) product classification set out manufactured on or after February 3, 1995 and before January in column II of...
AI summary The text outlines specifications for single package heat pumps, including product classification, cooling and heating capacities, energy efficiency ratios, and performance factors based on CSA C656-05 standards.
5 Single package heat pumps that are singlephase, CSA C65605 for information (a) product classification set out throughthewall and manufactured on or after January 1, 2017 set out in paragraphs (a) in column II of Table 1 to to (e) CSA...
AI summary The text outlines requirements for single-phase, through-the-wall heat pumps manufactured on or after January 1, 2017, referencing specific standards and performance metrics from CSA C656-05 and 10 C.F.R. Appendix M.
6 Single package heat pumps that are threephase, CSA C65605 for information (a) product classification set out throughthewall and manufactured on or after January 1, 2017 set out in paragraphs (a) to in column II of Table 1 to (e) CSA...
AI summary The text discusses the requirements for single package heat pumps, including product classification, cooling and heating capacities, energy efficiency ratios, and electrical phase requirements, as outlined in CSA C656-05. It also references a regulatory change under subsection 208(2) of the Regulations.
performance factor (Region V) ≥ 6.7 2 Splitsystem heat pumps, CSA C65614 for seasonal energy Seasonal energy On or after January 1, other than those that are smallduct efficiency ratio and heating seasonal efficiency ratio ≥ 14.0 2017 a...
AI summary The text outlines minimum performance standards for split-system heat pumps, specifying seasonal energy efficiency ratios and heating seasonal performance factors based on different models and compliance dates.
Column 2 Column 3 Item Energyusing Product Standard Information 1 Splitsystem heat pumps manufactured on or after CSA C65605 (a) product classification set out in December 31, 1998 and before January 1, 2017 column II of Table 1 to CSA...
AI summary The document outlines requirements for split-system heat pumps manufactured between December 31, 1998, and January 1, 2017, specifying compliance with CSA C656-05 standards, including product classification, cooling and heating capacities, and performance metrics.
COMBI because they are not actually producing heat — rather, they are extracting existing heat from the outdoors and redistributing it into the home. They can reduce heat expenses in peak hours. They are a very good complement for big and...
AI summary The text discusses the benefits of ECOMBI heat pumps and ETS units, highlighting their efficiency in heating and cooling homes, particularly during peak and off-peak hours. ECOMBI is noted for its compact design and ability to complement existing heating systems.
ions. If single feed is desired, a single feed kit is available from the factory. Phase-balancing is recommended when making connections in 3-phase applications. Supply Air Delivery Matrix • External static pressure should not exceed .75 i...
AI summary The text provides technical details about furnace specifications, including single feed kits, phase-balancing recommendations, and variable speed blower options. It outlines the compatibility of different blower configurations with heating and cooling coils and discusses interface requirements with multi-speed air conditioners and heat pumps.
Heat Pump Applications Single Stage Heat Pump Hydronic Heat Thermostat, Zone Valve End Switch, or Pump Control Honeywell TH5220D To Heat Pump Y - Compressor
AI summary The text describes a heat pump application, specifically a single-stage heat pump system. It includes components such as a hydronic heat thermostat, zone valve end switch, or pump control, and references a Honeywell TH5220D model connected to a heat pump with a Y-compressor.
Two Stage Heat Pump Hydronic Heat Thermostat, Zone Valve End Switch, or Pump Control Honeywell TH5320D To Heat Pump Y1 - Compressor C - Low Voltage Common
AI summary The text describes a Two Stage Heat Pump system with components including a Hydronic Heat Thermostat, Zone Valve End Switch, and Pump Control, specifically referencing the Honeywell TH5320D model and its connection to a heat pump.
fes Corporation • 3050 Hwy 22 North • Dickinson, ND 58601-9413 • 701-483-5400 Date Filed: March 29, 2019 NS Power IR-41 Attachment 7 Page 1 of 6 Table 1: Green Heat Unitary Admin Cost Measure Admin Cost Unit Count ASHP and AWHP - Electrica...
AI summary The table outlines administrative costs for various green heating measures under the Green Heat program, including heat pumps, solar heating, and wood stoves, with average administrative costs per unit listed as $183.75.
137 Drain Water Heat Recovery Green Heat $12,603 150 Average Per Unit Admin $183.75
AI summary The text lists a program called 'Drain Water Heat Recovery' under the 'Green Heat' initiative with a total cost of $12,603 and an average administrative cost per unit of $183.75.
E-52018 DSM Evaluation Reports
63 passages
Green Heat: Mini-split Heat Pumps In October 2015, Green Heat was expanded to include MSHPs. The addition of MSHPs considerably boosted participation as soon as the measure was introduced. In 2017, Green Heat underwent a series of changes,...
AI summary The Green Heat program was expanded in 2015 to include mini-split heat pumps (MSHPs), leading to increased participation. By 2017, changes in eligibility, delivery processes, and incentives further boosted adoption. MSHPs are now available for both electrically and non-electrically heated homes, and their market share is growing, with nearly 80% of 2017 sales being Green Heat-qualified. The market is transitioning to a maturity phase.
Table 16: Recommendations on Residential Program Components No. Recommendation GH-R1. Improve the accuracy of the information in the tracking sheet. While reviewing the data for the ducted air-source heat pump (ASHP) billing analysis, the...
AI summary The Evaluator recommends improving the accuracy and quality assurance processes for the Green Heat tracking sheet, as inconsistencies and data entry errors were found in the information on heating systems and technical characteristics of heat pumps.
Executive Summary – Appendix Report Program Components Bibliographic References NOVA SCOTIA POWER. Total System Emissions, https://www.nspower.ca/en/home/about us/environmental-commitment/air-emissions-reporting/total-system-emissions-all-...
AI summary The document provides a list of bibliographic references and citations related to energy efficiency, heating systems, and emissions in Nova Scotia. It includes references to Nova Scotia Power, Energy Nova Scotia, and various studies and reports on energy efficiency programs and technologies.
Green Heat Market Evolution For a second year, the Evaluator completed a market evolution assessment by analyzing key market indicators for MSHPs. The Evaluator gathered additional information in 2018 to draw conclusions on the state of th...
AI summary The Evaluator analyzed the market evolution of mini-split heat pumps (MSHPs) in Nova Scotia, noting increased adoption driven by factors like improved reliability and incentives. The market is transitioning from growth to maturity, with Green Heat-qualified MSHPs dominating sales and new constructions increasingly relying on them.
Table 11: HEA Eligible Energy Efficiency Upgrades Eligible HEA Upgrade Measures HOT2000 Energy Consumption Modelling Used to Calculate Savings Implementation Rate (%) Yes No Building Envelope Measures Attic Insulation x Cathedral Ceiling I...
AI summary Table 11 outlines eligible Home Energy Assessment (HEA) upgrades and their implementation rates in Nova Scotia. It details various building envelope measures, space heating equipment, and domestic water heating equipment, with some measures having high implementation rates and others showing low or zero adoption.
5 GREEN HEAT OVERVIEW The following sections present the Green Heat evaluation results. The evaluation results of the EPI program component follow. This section describes Green Heat, follows up on the 2017 evaluation recommendations and pr...
AI summary This section provides an overview of the Green Heat Program, discusses its evaluation results, and outlines participation history, following up on 2017 evaluation recommendations.
Heat Pump Systems Incentive Mini-split Heat Pumps $200/Refrigeration Tonne Air-source Heat Pumps (Centrally-ducted) $400/Refrigeration Tonne Air-to-water Heat Pumps $400/Refrigeration Tonne Ground-source Heat Pumps $500/Refrigeration Tonne...
AI summary The document outlines incentive rates for various heat pump and biomass systems under the Green Heat Program from August 2017 to November 20, 2017. It also discusses the inclusion of participants who completed their process in 2018, leading to the 2018 Evaluation Report.
On July 10, 2018, Green Heat received funding from the federal government LCEF via the Government of Nova Scotia to allow Green Heat to expand eligibility criteria to include non-electrically heated homes. The rebate amounts and criteria r...
AI summary On July 10, 2018, Green Heat received funding from the federal government via the Government of Nova Scotia to expand eligibility for non-electrically heated homes. The program's rebate amounts and criteria remain unchanged. Green Heat aimed to achieve 3.7 GWh of net electrical energy savings and 3.8 MW of net peak demand savings in 2018.
5.2 Follow-up on 2017 Evaluation Report Recommendations Green Heat was evaluated in 2017, and improvement recommendations were made by the Evaluator. Table 23 below summarizes the implementation status of each recommendation presented in t...
AI summary This section discusses the follow-up on recommendations from the 2017 Evaluation Report for the Green Heat Program. It references a table summarizing the implementation status of each recommendation.
5.3 Participation History In 2018, 3,055 measures were installed through Green Heat, which represented a significant increase of 67 percent over 2017 levels. As illustrated in Figure 7 below, MSHPs are the most commonly installed measure a...
AI summary In 2018, the Green Heat program saw a 67% increase in installations compared to 2017, driven by the removal of pre-approval requirements and increased marketing efforts. The program achieved significant energy savings, with 9.078 GWh in gross energy savings and 8.647 MW in peak demand savings.
Billing Analysis A billing analysis was conducted for participants who had an ASHP (centrally-ducted) installed in previous years to establish the average energy savings achieved. The billing analysis compared energy consumption as a funct...
AI summary A billing analysis was conducted to assess energy savings from ASHP installations under the Green Heat Program. It compared energy usage before and after installation, using heating degree days over a one-year period. The analysis included 2,608 participants with 3,055 measures installed.
7 GREEN HEAT MARKET EVALUATION A survey of 90 participating households was conducted as part of the Green Heat evaluation. In addition to the questions designed for impact evaluation purposes, survey participants were asked questions regar...
AI summary A survey of 90 households participating in the Green Heat Program revealed that awareness was mainly driven by contractors and word-of-mouth. The primary motivation for participation was saving on energy costs. Most participants had not previously had air conditioning, but now use heat pumps for cooling. Many had prior experience with ENS programs and were influenced by promotional materials.
8 GREEN HEAT IMPACT EVALUATION The objective of the 2018 Green Heat impact evaluation is to determine the gross and net electrical energy and peak demand savings achieved.
AI summary The 2018 Green Heat impact evaluation aims to assess the gross and net electrical energy and peak demand savings achieved by the program.
8.1.1 On-site Visits The Evaluator conducted 25 on-site visits as part of the 2018 Green Heat impact evaluation, as summarized in Table 25 below. The methodology to establish the visit sample and the protocol followed during the visits are...
AI summary The Evaluator conducted 25 on-site visits as part of the 2018 Green Heat impact evaluation, with methodology and protocols detailed in Appendix VI.
Heat Pump Measures For these site visits, the Evaluator confirmed that the new heat pumps were used as a primary or major heat source in 19 of 21 homes. For the other two homes, an electrical boiler provided in-floor heat for the whole bui...
AI summary The evaluation of heat pump installations in 21 homes found that 19 used ASHPs as the primary heat source, while two used electrical boilers. The report notes that the presence of non-electrical secondary heating systems, such as wood or pellet stoves, may affect heat pump savings. Thermostats were often located near secondary systems, potentially causing heat pumps to turn off during their use.
Table 29: Revised Gross Energy and Peak Demand Savings for Green Heat Me Ca te as ur e g or y W d S to oo ve Pe l le S t to ve W d Fu / oo rn ac e Bo i le r Pe l le Fu / t rn ac e Bo i le r So la D H W r H P W H L ine Lo Fa to ss c r 1. 1...
AI summary Table 29 presents revised gross energy and peak demand savings for the Green Heat program, including data on various heating technologies and their impact on energy consumption and demand.
9.1.2 Nova Scotia Power NSP has maintained initiatives that encourage the adoption of heat pumps in Nova Scotia for a number of years. NSP currently offers on-bill financing options for customers who purchase a heat pump, including MSHPs.2...
AI summary Nova Scotia Power (NSP) has long supported the adoption of heat pumps through on-bill financing options, available for both existing homes and new constructions, without performance requirements for eligible heat pumps.
9.2 Market Indicators The Evaluator analyzed available market data and established key market indicators to understand the state of the MSHP market in Nova Scotia. A key source of information used in this analysis was the heat pump data an...
AI summary The Evaluator used market data, including the 2018 NSP load forecast, to analyze the state of the MSHP market in Nova Scotia, focusing primarily on 2017 data. NSP gathered information from various sources such as program data, NRCan data, consumer surveys, and distributor interviews.
9.2.1 Market Share of Heat Pumps Data presented in this subsection are for all heat pumps, not just MSHPs. NSP data indicates that, since 2013, over 90 percent of heat pumps installed through the NSP on-bill financing program are MSHPs.24...
AI summary This section discusses the market share of heat pumps in Nova Scotia, noting that most installations are MSHPs. Data shows a significant increase in heat pump installations since 2011, with 27% of households having heat pumps in 2017. The growth is attributed to the rise in primary heat pump systems.
Table 33: Green Heat Incented High-efficiency ∕ Mini-spli it Heat Pumi p Systems , , 2015 2016 2017 2018 Electrical Non- electrical Electrical Non- electrical Electrical Non- electrical Electrical Non- electrical Number of MSHP Systems 111...
AI summary The table provides data on the number of high-efficiency mini-split heat pump systems installed and incentivized by the Green Heat Program from 2015 to 2018, along with the average HSPF of units during those years.
9.2.3 Green Heat Eligible Mini-split Heat Pumps The Evaluator interviewed seven distributors who sell HVAC products in Nova Scotia to gain more in-depth understanding of MSHP market trends and sales of Green Heat-eligible high-performing c...
AI summary The Evaluator interviewed HVAC distributors in Nova Scotia to understand market trends for Green Heat-eligible mini-split heat pumps. Distributors reported that most contractors install eligible units, but some do not qualify due to cost, application differences, or model limitations. The median estimate of eligible sales was 80%, but many units are sold outside the Green Heat program.
9.2.4 Mini-split Heat Pump Prices Table 35 provides the average cost of incented systems (not including incentives) and the average incentive across nominal capacities based on the Green Heat tracking sheets. This information indicates the...
AI summary Table 35 shows average costs and incentives for mini-split heat pumps (MSHPs) based on Green Heat tracking sheets, noting a slight decrease in prices and incentives since 2016. However, cost variations are significant, and data combines systems with different numbers of indoor heads.
- 3. No, I only installed a [EQUIPMENT 1] - 4. No, I only installed a [EQUIPMENT 2] - 9. Don't know/Refused [PROBE: "Is there someone else in your household who would know about having participated in the Green Heat program?"] [IF NO, ASK...
AI summary The text includes responses to questions about installed equipment and participation in the Green Heat program. Respondents indicate they only installed specific equipment and do not know if someone else in their household participated in the program.
Participation [P Series] - P1. How did you first become aware of the Green Heat program? [DO NOT READ. SINGLE RESPONSE] - 1 (Radio ads) - 2 (In-store signage) - 3 (Retailer flyer) - 4 (Through a contractor, retailer, or distributor) - 5 (V...
AI summary The text presents a series of questions related to participation in the Green Heat program, focusing on how respondents became aware of the program and their motivations for installing specific equipment. The questions are structured for data collection, with multiple response options and instructions for handling specific answers.
Usage [IF EQUIPMENT TYPE = MINI-SPLIT HEAT PUMP OR AIR-SOURCE HEAT PUMP OR GROUND-SOURCE HEAT PUMP] [U Series] - U1. Before participating in the Green Heat Program, what did you use as your main heating system? Was it…? [READ AND ACCEPT ON...
AI summary This section of the document outlines a series of questions related to the usage of heat pumps under the Green Heat Program. It asks participants about their previous heating systems, the condition of their heating system before joining the program, and whether they use air conditioning or cooling features with their new heat pumps.
Series A: Questions on the decision to install a heat pump FRM1. Had you already decided to install a heat pump before you heard about the Green Heat program? - 1. Yes
AI summary The question asks whether the individual had already decided to install a heat pump prior to learning about the Green Heat program. The response indicates a 'Yes' to this question.
- 2. No - 98. (Don't know) - 99. (Refused) FRM1a. [IF FRM1=1] I just want to make sure I understand – before you learned about the Green Heat program, you had already made the decision to install a heat pump? - 1. Yes - 2. No - 98. (Don't...
AI summary The text contains survey questions related to customer decisions regarding heating systems, specifically focusing on the Green Heat program and heat pump installations. It includes response options and conditional branching for follow-up questions.
- 99. (Refused) FRM3. [IF FRM1a=1 OR FRM2=4] If the program rebate had not been offered, 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, with a 0 i...
AI summary This section of the document presents a question regarding the impact of a program rebate on the decision to purchase a heat pump. It asks respondents to estimate the likelihood they would have postponed the purchase by at least one year if the rebate had not been offered, using a scale from 0 to 10.
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 standard heat pump models on the market, especially at low temperatures of -1...
AI summary The text discusses the eligibility criteria for rebates under the Green Heat program, emphasizing that only high-efficiency heat pump models qualify. It highlights the efficiency of the installed heat pump model compared to standard models, particularly at low temperatures of -15°C or less.
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? - 1. Yes
AI summary The question asks if the respondent was aware of high efficiency heat pumps operating below -15°C before the Green Heat program. The respondent answered 'Yes'.
- 2. No - 98. (Don't know) - 99. (Refused) FRM4a. [IF FRM4=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 - 98. (Don't know) - 99. (Refused...
AI summary The text includes survey questions about customer decisions regarding the installation of high-efficiency heat pumps, specifically asking whether they had already decided before learning about the Green Heat program and the influence of various factors on their decision.
P1. How did you first become aware of the Green Heat program? 2018 Source of Awareness Total MSHP Heat Pump Solar/ Biomass Sample Size 90 45 22 23 Through a contractor, retailer or distributor 39% 29% 59% 39% Via a friend, acquaintance, or...
AI summary The text discusses how participants became aware of the Green Heat program and the most important reasons for installing heating equipment in 2018. Awareness was primarily through contractors, friends, or online sources, while energy savings was the most significant motivation for installation.
U1. Before participating in the Green Heat Program, what did you use as your main heating system? Was it...? 2018 Main Heating System Before Participating in Green Heat Total MSHP Heat Pump Sample Size 67 45 22 Electric baseboards or elect...
AI summary The data shows the distribution of main heating systems used by participants in the Green Heat Program before joining. Electric baseboards and furnaces were the most common, followed by heat pumps and gas or oil-fired furnaces. The sample size is 67, with responses rounded and not summing to 100%.
U2. When you decided to participate in the Green Heat Program, in what state was this heating system? Was it…? 2018 Condition of Old Heating System Total MSHP Heat Pump Sample Size 67 45 22 In good working condition 70% 89% 32% Not working...
AI summary The text presents survey data on the Green Heat Program, focusing on the condition of heating systems before participation, previous air conditioner use, and current use of heat pumps for cooling. It includes statistical breakdowns by system type and sample size.
Series A: Questions on the decision to install a heat pump FRM1. Had you already decided to install a heat pump before you heard about the Green Heat Program?
AI summary The question asks whether the individual had already decided to install a heat pump prior to learning about the Green Heat Program.
FRM1a. I just want to make sure I understand – 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 Sample Size 45 Ye...
AI summary The text discusses a survey on customer decisions regarding heat pump installation prior to the Green Heat Program. It shows that 71% of respondents had already decided to install a heat pump before the program, and if the rebate had not been offered, most would have still purchased a heat pump.
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 2018 Sample Size 44 Yes 59% No 41% Base: Res...
AI summary The question asks if respondents were aware of high efficiency heat pumps operating below -15°C before the Green Heat Program. 59% of the 44 respondents were aware, while 41% were not. The sample is limited to those who had previously decided to install a mini-split heat pump or were likely to purchase one without the program.
FRM4a. 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 Sample Size 26 Yes 81% No 15% Don't know 4%...
AI summary The document discusses responses to questions about the Green Heat Program. Most respondents (81%) had already decided to install a high-efficiency heat pump before learning about the program. Additionally, participants indicated they would have paid nearly the full cost (mean score of 9) for the heat pump 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 FRM6. Next, I'm going to ask you to rate the importance of f...
AI summary The text discusses respondents who had already decided to install a mini-split heat pump before learning about the Green Heat program or were likely to purchase a heat pump regardless of the program. It asks them to rate the importance of factors influencing their decision using a 0-10 scale.
Influence of Factors on Decision to Have High Efficiency Heat 2018 Pump Installed Sample Size Mean Information on the benefits of high efficiency heat pumps provided by the retailers or contractors 44 8.4 Information on the benefits of hig...
AI summary The table examines the influence of various factors on the decision to install high efficiency heat pumps, based on survey responses. It shows that retailers and contractors providing information on benefits had the highest mean score, followed by information from ENS and the program component rebate.
Base: Respondents who had previously decided to install an air-source heat pump or ground-source heat pump prior to the program component FRH3. Now I would like to ask you to consider what actions you would have taken if the Green Heat pro...
AI summary The respondent is being asked to consider their actions if the Green Heat program had not been available, rating the likelihood of each option on a scale from 0 to 10.
2018 Likelihood of Actions If Program Not Available Sample Size Mean Installed a less efficient and less expensive heat pump 22 5.1 Postponed installing equipment by at least one year 22 3.7 Kept your old heating system instead of installi...
AI summary The table presents data on the likelihood of customer actions if a heat pump program was not available in 2018. It shows that 5.1 out of 22 respondents would install a less efficient and less expensive heat pump, 3.7 would postpone installation, and 3.0 would keep their old heating systems.
Base: Respondents who had previously decided to install an air-source heat pump or ground-source heat pump prior to the program component FRH4. Next, I'm going to ask you to rate the importance of factors that might have influenced your de...
AI summary The text discusses respondents who had already decided to install heat pumps prior to a program component and asks them to rate the importance of factors influencing their decision on a scale from 0 to 10.
2018 Influence of Factors on Decision to Have Heat Pump Installed Sample Size Mean b. Information on the benefits of high efficiency heat pumps provided by the retailers or contractors 22 7.9 a. The program component rebate 21 5.2 c. Infor...
AI summary The table presents data on the influence of various factors on the decision to install high efficiency heat pumps. It shows that information on benefits provided by retailers or contractors had the highest mean score (7.9) among the factors considered, followed by the program component rebate and information provided by ENS.
FRS3. Now I would like to ask you to consider what actions you would have taken if the Green Heat program had NOT been available. I will read you a few options. For each one, please answer on a scale of 0 to 10, with a 0 indicating that it...
AI summary The question posed asks the respondent to consider alternative actions if the Green Heat program was not available, rating the likelihood of each option on a scale from 0 to 10.
S2. What was the most important reason you were not more satisfied with the program overall? Most Important Reason Not More Satisfied 2018 with Green Heat Overall Total MSHP Heat Pump Solar/ Biomass Sample Size 10 (#) 5 (#) 2 (#) 3 (#) It...
AI summary Respondents expressed dissatisfaction with the Green Heat program, citing issues such as long wait times for rebates, small rebate amounts, poor communication, and difficulty understanding the program. These concerns were reported by participants who had an overall satisfaction score of 7 or lower.
B2. What other concerns, if any, did you have with installing [a/an] [EQUIPMENT]? 2018 Other Concerns with Installation of Equipment Total MSHP Heat Pump Solar/ Biomass Sample Size 90 45 22 23 It wouldn't provide enough heat 10% 20% - - Th...
AI summary The document discusses concerns related to the installation of equipment such as heat pumps and solar/biomass systems, highlighting issues like insufficient heating, reliability, contractor quality, and increased insurance costs. It also outlines the most helpful aspects of the Green Heat program, with the rebate being the most cited benefit.
APPENDIX VI GH: ON-SITE VISIT SAMPLING METHODOLOGY AND PROTOCOL For 2018, a total of 25 site visits were conducted to evaluate the implemented Green Heat measures.
AI summary In 2018, 25 site visits were conducted to evaluate the implementation of Green Heat measures as part of the sampling methodology and protocol outlined in Appendix VI GH.
Secondary Heating System In the Tracking Sheet Validated On Site Secondary Heating Source: Secondary Heating System Type: Secondary Heating System Capacity: % Total Heating from Secondary Source (Participant Declaration): Is the Equipment...
AI summary The text presents a table for tracking and validating information about secondary heating systems and heat pump installations, including system type, capacity, usage patterns, and site details. It includes fields for declarations, validation, and notes.
Part B: Efficiency of MSHPs First, I want to discuss with you the characteristics of MSHPs that you sell. B1. What is the minimum efficiency level in Region IV of MSHPs that you sell? [PROBE HEATING SEASONAL PERFORMANCE FACTOR (HSPF), COP...
AI summary The discussion centers on the efficiency levels of MSHPs (Mini-Split Heat Pumps) sold in Region IV, including minimum HSPF and COP at -15 degrees Celsius. It also explores the reasons for selling both standard and high-performing cold climate MSHPs, as well as the price differential and contractor adoption rates.
Part C: Market Size of Mini-Split Heat Pumps – Part 1 Now, I would like to specifically discuss your sales of MSHPs.
AI summary The discussion focuses on the sales of mini-split heat pumps, with an emphasis on market size and related factors.
C1. What is the approximate number of mini-split units sold by your company in 2017, for Nova Scotia only? RANGES OF MAGNITUDE ARE SUFFICIENT . PRODUCT CATEGORY Units sold in 2017 Value in 2017 (thousands of $) Mini-Split Heat Pumps - C1a....
AI summary The document asks for the approximate number of mini-split heat pump units sold in Nova Scotia in 2017, noting that ranges of magnitude are sufficient. It also asks for the average sales price of a mini-split heat pump.
- C2. What is your best estimate of the portion (%) of your MSHPs sales that were high-performing cold climate MSHPs in 2017? RECORD (%): - C3. So, to confirm your company sold around [C1 UNITS \ C2 PERCENT] high-performing cold climate MS...
AI summary The document contains a series of questions regarding the sales of high-performing cold climate mini-split heat pumps (MSHPs) in 2017, including estimates and confirmation of sales figures.
Part E: Product Adoption Curve Now, I am interested in hearing your thoughts on how the market for MSHPs has changed over the last few years. E1a. What changes in the MSHP market, if any, have you seen over the past several years in Nova S...
AI summary The discussion focuses on the evolution of the MSHP market in Nova Scotia over recent years, exploring changes in efficiency, materials, and prices, and how these trends can be explained. The text also references a product adoption curve to illustrate typical market lifecycle stages for new products.
Thinking of the Nova Scotia MSHP market, where on the product adoption curve would you place the MSHPs? Letter on the Curve Why do you think that? Mini Split Heat Pumps Part F: Closing
AI summary The document asks where mini-split heat pumps (MSHPs) stand on the product adoption curve in Nova Scotia, with a table for respondents to indicate their position and reasoning. The section is part of a closing section of a regulatory proceeding.
APPENDIX VIII GH: SAVINGS REVIEW RESULTS This appendix presents the results of the savings review for each measure under Green Heat.
AI summary This appendix provides the results of the savings review for each measure under the Green Heat initiative, detailing the outcomes and impacts of various energy efficiency and conservation efforts.
Savings Review of Heat Pump Measures The Evaluator reviewed the savings methodologies and calculation values for MSHPs, central air-source and air-to-water heat pumps (AWHPs), as well as GSHPs installed under Green Heat in 2018.
AI summary The Evaluator reviewed the savings methodologies and calculation values for various heat pump measures, including mini-split heat pumps, central air-source and air-to-water heat pumps, and ground-source heat pumps installed under the Green Heat program in 2018.
Ground-source Heat Pumps GSHPs installed under Green Heat are required to be Canadian GeoExchange Coalition certified.
AI summary Ground-source heat pumps (GSHPs) installed under the Green Heat program must be certified by the Canadian GeoExchange Coalition to ensure compliance with quality and performance standards.
Algorithm - Central Heat Pump FRH2. If you had not received the rebate from ENS, would you have paid the entire cost of your [EQUIPMENT]? (Scale 0 to 10) FRH2 = Answer x 10% IF DK OR REF: FR2 = EMPTY FRH3a. If Green Heat rebate had not bee...
AI summary The text outlines survey questions related to the impact of rebates on the installation of heat pumps, specifically focusing on the Green Heat rebate and its influence on consumer behavior regarding heating system choices.
Series A: Decision to install a HP FRM1. Had you already decided to install a heat pump before you heard about the Green Heat Program? IF 1. Yes: Use FRM1a IF 2. No OR DK OR REF: FRM1a = 0% FRM1a. I just want to make sure - before you lear...
AI summary The text outlines a series of questions (FRM1 to FRM3) used to assess whether participants had already decided to install a heat pump prior to learning about the Green Heat Program and the likelihood of postponing the purchase if the program was not available.
Series B: Decision to install a high-efficiency HP FRM4. Were you aware of the availability of high efficiency heat pumps that operate at temperatures below -15°C before you heard about Green Heat? IF 1. Yes: Use FRM4a IF 2. No, DK OR REF:...
AI summary The text outlines a series of questions related to the decision-making process for installing a high-efficiency heat pump, focusing on awareness of such systems prior to the Green Heat Program and the influence of financial incentives on the decision.
Total number of AC & Air-Source Heat Pumps (Split & Unitary) installed: Total number of Ground & Water Source Heat Pumps installed : Are there any other heating and cooling systems than the ones being replaced/installed? (note % of heating...
AI summary The text includes questions about the number of air-source and ground/water source heat pumps installed, as well as whether other heating and cooling systems are being used in conjunction with or instead of the ones being replaced. It also references images from page 85.
Where: - > HC: the heat pump's rated heating capacity (kBtu/hr) at 0°C for air-source heat pumps. - $\rightarrow$ $HC_{min}$ : the heat pump's rated heating capacity (kBtu/hr) at -15°C for air-source heat pumps. - > CC: the heat pump's rat...
AI summary The text defines technical parameters related to air-source heat pumps, including heating and cooling capacities, efficiency factors, and operational hours. These parameters are used in calculations for energy performance and system design.
79334Letter from EOne enclosing VRF Program Review Report
13 passages
EXECUTIVE SUMMARY Efficiency One (E1) and Heritage Gas have agreed to engage in a collaborative study of the program design and operation of the Custom Incentive Program related to Variable Refrigerant Flow (VRF) electric heat pump measure...
AI summary Efficiency One (E1) and Heritage Gas are collaborating to study the Custom Incentive Program for VRF electric heat pumps in MURBs with natural gas availability. The study aims to avoid increased electricity demand by aligning incentives with NECB and ASHRAE 90.1 standards. Findings suggest VRF systems are cost-effective but require upfront capital, recommending ASHRAE 90.1-2013 as the baseline for efficiency incentives.
Context Efficiency One (E1) and Heritage Gas have agreed to engage in a collaborative study of the program design and operation of E1's Custom Incentive Program related to VRF electric heat pump measures in multi unit residential buildings...
AI summary Efficiency One (E1) and Heritage Gas are collaborating on a study of E1's Custom Incentive Program for VRF electric heat pumps in Multi-Unit Residential Buildings (MURBs) where natural gas is available. VRF systems use refrigerant for heat transfer, enabling simultaneous heating and cooling in different zones.
increase, especially if the developer will manage the building post construction. Since developers are primarily influenced by the capital cost, incentives offered can have an effect on system choice. Growing familiarity with VRF With the...
AI summary The text discusses market dynamics for VRF and DMSHP technologies in Nova Scotia, noting that developer incentives influence system choices, growing awareness due to NSP's outreach, supply chain concerns over technician shortages and pricing uncertainty, and market growth driven by competition and developer experience with VRF systems.
1.2.2 – Heating System Selection In short, while the selection of the primary heating system is complex, it appears to be mainly driven by capital cost, but also on operating cost, developer comfort with a technology, and additional revenu...
AI summary Heating system selection is driven by capital and operating costs, developer preferences, and revenue opportunities. VRF heat pumps appeal to higher-end MURBs due to lower maintenance costs, central system efficiency, and potential rent premiums, as indicated by Market Actor Interviews.
1.3 – Summary The market actor interviews aimed at answering the following question: How do developers choose their primary heating systems, both when they are offered incentives and when they are not? In summary, developers are familiar w...
AI summary Developers in Nova Scotia commonly install natural gas boiler systems for heating, but VRF heat pumps are emerging as a competitive option in high-end rental markets due to their dual heating/cooling capability. Capital costs drive decisions, though incentives and market competition influence choices. Cooling is increasingly sought after in competitive markets.
2.1 – Methodology The jurisdictional scan focused on local energy efficiency programs and not on the local market context or recent market transformation. The following criteria were initially set by Dunsky, E1 and Heritage Gas to identify...
AI summary The jurisdictional scan focused on energy efficiency programs, identifying seven jurisdictions after broadening initial criteria. Three program types (prescriptive, new construction custom, and GHG-reduction-focused) were analyzed for VRF heat pump incentives. The limited program data suggests findings reflect common practices, not best practices.
2.2.1.1 – National Energy Code of Canada for Buildings (NECB) The NECB is published by National Research Council Canada, but adoption and enforcement are the responsibility of the provincial governments. For example, NECB version 2015 is c...
AI summary The National Energy Code of Canada for Buildings (NECB), published by the National Research Council Canada, is adopted and enforced by provincial governments, including Nova Scotia using the 2015 version. It includes prescriptive requirements and a performance path for compliance, with specific baseline definitions for VRF systems in Multi-Unit Residential Buildings (MURBs).
2.2.1.2 – ASHRAE 90.1 Energy Standard for Buildings ANSI/ASHRAE/IES Standard 90.1 – Energy Standard for Buildings except Low-Rise Residential Buildings is mostly used in the United States. It lists minimum equipment efficiency tables which...
AI summary The ASHRAE 90.1 standard outlines building energy efficiency requirements, with updates to VRF heat pump efficiencies since 2007. It includes compliance methods like the Energy Cost Budget and Performance Rating Method, which use metrics such as EER, IEER, and COP. For MURBs, PTHPs with auxiliary heating are referenced as baseline systems, aligning with NECB specifications.
2.2.2 – Prescriptive Programs Some jurisdictions offer prescriptive programs for VRF heat pumps. These programs are mainly targeted at, but not limited to, retrofit projects. Prescriptive programs usually use a Technical Reference Manual (...
AI summary Prescriptive programs for VRF heat pumps use Technical Reference Manuals (TRMs) to calculate energy savings, relying on ASHRAE 90.1 baseline standards and simplified equations with nominal capacities and efficiency metrics like IEER. These programs target retrofit projects and use pre-defined performance levels for proposed equipment.
2.2.3 – Other Programs: GHG emissions reduction While GHG emissions were not part of this study's scope, the main issue relates to unintended fuel switching. It is therefore interesting to note that VRF heat pump systems are being offered...
AI summary The text discusses GHG emissions reduction programs targeting fossil fuel heating systems, highlighting the inclusion of VRF heat pumps. Examples from British Columbia and Massachusetts are provided, noting program funding sources and the halt of a Massachusetts pilot due to funding exhaustion.
2.3 – Summary The jurisdictional scan aimed at answering the following question: How is this issue addressed in other relevant jurisdictions? In summary, the relevant jurisdictions use the modeling specifications in their building energy c...
AI summary The jurisdictional scan reviewed how other jurisdictions address the issue using NECB or ASHRAE 90.1 building energy codes. Both codes use packaged terminal heat pumps with electric auxiliary heating as the baseline for VRF systems, with ASHRAE 90.1 also setting minimum efficiency standards for VRF systems in prescriptive programs.
3.1.2.2 – Hybrid Natural Gas System The higher-efficiency natural gas-based system is a hybrid packaged heat pump system that incorporates a hot water coil and a water-to-air air-conditioner which rejects heat to the heating loop. That hea...
AI summary A high-efficiency hybrid natural gas system combines a hot water coil, water-to-air air conditioner, and condensing boiler to maintain higher heating loop temperatures. These systems, marketed as CGC or Bulldog, integrate heat rejection and boiler heating for improved efficiency in residential applications.
3.1.2.3 – Standard Electric System The standard electric system is based on the current modeling specifications from NECB and ASHRAE 90.1, which is an air-source mini-split heat pumps with electric resistance auxiliary heating. Heat pump e...
AI summary The standard electric system uses NECB and ASHRAE 90.1 models, featuring air-source mini-split heat pumps with electric resistance heating. Efficiency standards from NECB-2015 apply to PTHP. The model uses professional judgment rather than all NECB specs, with HRVs for ventilation and gas-fired systems for hot water.