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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…
New Construction|Products|Residential|Residential Buildings|Technology -
Study of High-Performance Windows Incremental Manufacturing Cost
The Northwest Energy Efficiency Alliance (NEEA) contracted with Steve Selkowitz, formerly of Lawrence Berkeley National Laboratory (LBNL), to conduct a cost study of high-performance windows. The study sought to quantify the incremental manufacturing cost of upgrading windows from the current dominant market leader, an ENERGY STAR® V6 compliant window with a U-factor of 0.27, to…
New Construction|Products|Residential Buildings|Technology -
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…
Products|Residential|Technology -
Extended Motor Products Regional Market Share Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with ADM Associates, Inc., to assess the clean water pumps and circulators market in the Northwest. The specific research objectives were to (a) estimate the size of the clean water pumps and circulators market in the Northwest, (b) assess NEEA’s estimates of the market share held by participants…
Commercial + Industrial|Industrial|Products -
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…
Products|Residential -
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…
Products|Residential|Residential Buildings -
Pump Energy Rating Label Awareness and Use Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with Johnson Consulting Group to conduct market research on awareness and usage dynamics for the Hydraulic Institute’s (HI) Energy Rating (ER) label for pumps and circulators. Specifically, this study assessed the role of efficiency in the pump selection process, explored current levels and patterns of awareness and use…
Commercial + Industrial|Products -
High-Performance Windows Market Characterization Study
Thin triple windows (TTW) are emerging as a promising new opportunity for super-efficient residential windows. To understand the awareness of and potential market for TTWs and gain insight into how the mid- and down-stream window markets function in the Northwest, the Northwest Energy Efficiency Alliance (NEEA) contracted with Cadeo to conduct the Market Characterization that…
Commercial Buildings|Natural Gas|Products|Residential|Residential Buildings -
Refrigerator and Freezer Influence Assessment and Baseline Review
NOTE: This report was updated in June 2023. The Northwest Energy Efficiency Alliance (NEEA) contracted with Apex Analytics to review NEEA’s efforts to influence the residential refrigerator and freezer markets through support of the 2020/2021 ENERGY STAR® Emerging Technology Award (ETA) for refrigerators and freezers and the accompanying alternative test procedure. Apex also reviewed the…
Consumer Products|Products|Residential -
Heat Pump and Air Conditioner Efficiency Ratings: Why Metrics Matter
This white paper examines efficiency metrics (ratings) for residential and small commercial heat pumps and explores the potential benefits and impacts of improving those metrics. It presents evidence that existing metrics are not reliable, particularly for modern, variable-speed heat pumps and air conditioners that are expected to be more efficient, but don’t always live up…
Products|Residential|Technology