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Cold Climate Demonstration Installation & Water Heater Installer Focus Group Research
The Northwest Energy Efficiency Alliance (NEEA) contracted with ILLUME Advising in Q4 2022 to pursue two concurrent studies around water heater installers. The first was intended to focus on observational research of cold climate heat pump water heater (HPWH) installations in the Northwest to better understand the depth of previously established installation challenges, specifically in…
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Energy-Efficient Technology in Cold Weather – Bridger View On-Site Research
The Northwest Energy Efficiency Alliance (NEEA) contracted with JG Research & Evaluation, LLC in the fall of 2021 to conduct a study of the new Bridger View housing development in Bozeman, Montana. The purpose of the study was to better understand how a cold weather climate may influence the adoption and performance of various technologies…
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Cost Benefit Model Analysis for Heat Pump Water Heaters
NEEA contracted with Larson Energy Research to conduct a third-party review of specific aspects of its 2022 Heat Pump Water Heater (HPWH) Benefit Cost Model. Key activities included: The report recommends an alternative method for extrapolation of sales that requires fewer assumptions. It also recommends several updates to assumptions in support of assessing HPWH market…
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Heat Pump Water Heater Market Progress Evaluation Report #7
The Northwest Energy Efficiency Alliance (NEEA) contracted with NMR Group in early 2023 to conduct its seventh Market Progress Evaluation Report (MPER) for the alliance’s Heat Pump Water Heater (HPWH) program. The findings of this MPER will help inform and refine program interventions in the market. Study objectives included: The report concludes that the program…
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Heat Pump Water Heater Market Research: Challenging Installations Scenarios
In 2019, the Northwest Energy Efficiency Alliance (NEEA) created a framework for understanding and investigating various scenarios associated with challenging installations of heat pump water heaters (HPWHs). To better inform the scenarios identified in the framework, NEEA contracted with Cadeo Group in the summer of 2020 to explore the different challenging installation experiences installers faced…
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Central Heat Pump Water Heaters for Multifamily Supply Side Assessment Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with New Buildings Institute (NBI) in January 2021 to conduct research and outreach to better understand the current landscape of central heat pump water heater (HPWH) adoption in multifamily buildings. Research objectives included 1) Identifying all primary barriers to central HPWH adoption, 2) Increasing understanding of the value…
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Heat Pump Water Heaters in Small Spaces Lab Testing: “The Amazing Shrinking Room”
The Northwest Energy Efficiency Alliance (NEEA) contracted with Larson Energy Research and Cascade Engineering Services, Inc. to conduct a laboratory assessment of space requirements and venting strategies for standard unitary heat pump water heaters (HPWH). The laboratory testing provides detailed information about known but previously unquantified challenges for HPWH efficiency in enclosed rooms. Interpretation and…
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Heat Pump Water Heater Benefit/Cost Model Review
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope to review the alliance’s current heat pump water heater benefit/cost model. Study objectives included 1) A review of the methodology used to estimate a specific manufacturer’s annual unit shipments to the region, and; 2) An assessment of NEEA’s naturally occurring market baseline logic, originally developed in…
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Plug-In Heat Pump Water Heaters: An Early Look to 120-Volt Products
The Northwest Energy Efficiency Alliance (NEEA) contracted with Larson Energy Research and Cascade Engineering Services, Inc. to conduct a laboratory assessment of the Rheem 120-volt heat pump water heaters (HPWH), a new class of HPWH coming to market that can operate on a 15-Amp, 120-Volt circuit. This report seeks to answer questions about their performance…
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Pricing Research for Efficient Water Heaters
In the fall of 2021, the Northwest Energy Efficiency Alliance (NEEA) contracted with ILLUME Advising and Lieberman Research to conduct a two-phased study to better understand price sensitivity of Northwest homeowners regarding efficient water heaters for both natural gas and electric fuel types. The study also explored scenarios under which consumers would consider alternative approaches…
Residential