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NEEA Dryer Test Procedure Version 2.0 – Summary of Changes and Rationale
In 2017, the Northwest Energy Efficiency Alliance (NEEA) collaborated with Pacific Gas & Electric to develop a Clothes Dryer Test Procedure that calculates an accurate metric for clothes dryer energy use (Version 1.2). Since then, NEEA conducted laboratory testing and applied the Version 1.2 test procedure to more than 60 dryers to gather information on…
Residential -
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…
Residential -
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…
Residential -
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…
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