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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…
Residential -
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…
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…
Residential -
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 + Industrial|Natural Gas|Residential -
CTA-2045 Water Heater Demonstration Project
The Northwest Energy Efficiency Alliance (NEEA) supported the Bonneville Power Administration (BPA) with this CTA 2045 Water Heating Demonstration project. The project sought to create a market transformation plan that would put the Northwest on a path to make hot water heating load shifting simple for customers without affecting their lifestyle. To do this, the…
Residential -
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…
Residential -
Washington Residential Post-Code Market Research Report
The Northwest Energy Efficiency Alliance (NEEA) contracted with TRC to gather market data about the impact of the 2018 Washington State Energy Code (WSEC) on new construction single family homes in Washington in the first year after the code was in effect. The study explored primary space and water heating fuel selection, builders’ selection of…
Residential -
Demand Response of Residential HVAC
To ensure the continued availability of energy-efficient products, services and practices to Northwest consumers, the Northwest Energy Efficiency Alliance (NEEA) conducts exploratory work to identify, develop and advance promising energy efficiency technologies and opportunities. As part of these research efforts, NEEA contracted with Cadeo to understand the demand response (DR) potential of residential HVAC equipment…
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…
Residential -
Variable Speed Heat Pump Product Assessment and Analysis
The Northwest Energy Efficiency Alliance (NEEA) contracted with the Center for Energy and Environment to assess currently available centrally ducted variable speed heat pumps (VSHPs), also known as variable capacity heat pumps. The primary objective was to develop a better understanding of currently available products, pricing, performance specifications and equipment features. The research team developed…
Residential