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CSA EXP07: Ongoing Progress, Lessons Learned, and Future Work in Load-based Testing of Residential Heat Pumps
Lessons Learned from Load-Based Testing of Heat Pumps How is performance of variable-speed heat pumps accurately measured? NEEA collaborated with PG&E, BC Hydro, and Purdue University to find out. Using CSA EXP07:19, a load-based test and rating procedure for residential air-source heat pumps and air conditioners, the collaboration determined that load-based testing offers a better…
Residential -
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…
Residential -
Study of Influences on Northwest Variable Speed Heat Pump Adoption
The Northwest Energy Efficiency Alliance’s (NEEA) Variable Speed Heat Pump (VSHP) program contracted with Lieberman Research to conduct qualitative market research about influences on ducted VSHP market adoption in the Northwest. Research objectives included 1) Determining influences on central ducted VSHP sales in the Northwest, including direct and indirect influences from NEEA’s Northwest Ductless Heat…
Residential -
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