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Evaluation of the U.S. Test Procedure for Residential Clothes Dryers
The Northwest Energy Efficiency Alliance (NEEA) contracted with Kannah Consulting to evaluate whether the U.S. Department of Energy’s current clothes dryer test procedure (Appendix D2 to 10 CFR Part 430) accurately predicts dryer energy use under real-world operating conditions. The study assessed 12 top-selling electric clothes dryers representing three efficiency groups: non-qualified, ENERGY STAR® qualified, and heat pump models. Each…
Residential -
Retail Product Portfolio: High-Performance Dryer Naturally Occurring Baselines Review
The Northwest Energy Efficiency Alliance (NEEA) contracted with Cadmus to review the naturally occurring baselines1 for ENERGY STAR® clothes dryers and heat pump clothes dryers. The study also explored whether separate baselines should be developed for clothes dryers based on drum sizes (compact or standard). Methods included a review of NEEA documentation, secondary research, and interviews with three clothes dryer market experts. Report findings suggest that no…
Residential -
Retail Product Portfolio: Market Progress Evaluation Report #3
The Northwest Energy Efficiency Alliance (NEEA) contracted with Level 7 Market Research to conduct the third Market Progress Evaluation Report (MPER) for the Retail Product Portfolio (RPP) program. From July 2025 through February 2026, Level 7 conducted interviews with NEEA staff and contractors, reviewed program documentation, internal reports, communication records, and sales data, and conducted…
Residential -
2023 Residential Laundry Field Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with Kannah Consulting to conduct the 2023 Laundry Field Study, which supplements NEEA’s 2022 Residential Building Stock Assessment (RBSA). The report documents a field study designed to capture typical home laundry equipment characteristics, record consumers’ laundry processing behavior, and collect real-time clothes washer and dryer energy data from homes across the Northwest, deepening NEEA’s understanding of household energy use…
Residential -
Commercial Heat Pump Dryers: Efficiency Testing, Operations Considerations, and Energy Savings
For over a decade, the Northwest Energy Efficiency Alliance (NEEA) has been working to advance the adoption of energy-efficient residential heat pump clothes dryers. Recently, NEEA shifted its focus to commercial tumble dryers after research revealed that improving the efficiency of commercial laundry could significantly expand the reach of energy-efficient laundry products to a broader…
Commercial + Industrial -
Residential Dryers Qualified Products List
The Residential Dryers Qualified Products List contains information on residential dryer products that meet the EPA ENERGY STAR® requirements. The list includes those that meet Bonneville Power Administration’s incentive tiers based on testing with the Utility Test Protocol. Learn more about NEEA’s high efficiency dryers work >> Updated as of 2025
Residential -
Connected Consumer Products Market Research Report
The Northwest Energy Efficiency Alliance (NEEA) engaged Level 7 Market Research from June to December of 2024 to describe consumer acceptance of, experiences with, and willingness to purchase connected consumer products. Additionally, this research ventured to describe predictors of consumer interest and uptake, in order to inform NEEA’s Retail Product Portfolio (RPP) Market Transformation program’s…
Residential -
Retail Product Portfolio Market Progress Evaluation Report #2
The Northwest Energy Efficiency Alliance (NEEA) contracted with TRC to conduct the second Market Progress Evaluation Report (MPER) for the Retail Product Portfolio (RPP) program. Between July 2022 and May 2023, TRC reviewed NEEA’s updated RPP logic model and conducted program staff interviews, reviewed program documents, and analyzed sales data to assess progress on applicable…
Residential -
Modulating Gas Valve for Commercial Dryer Study
As part of its emerging technology work, the Northwest Energy Efficiency Alliance (NEEA) is investigating modulating commercial gas dryers to learn more about the product and its energy efficiency potential. In the Northwest, there are over 50,000 commercial gas dryers, however most of the existing dryers in the region are standard commercial gas-fired dryers with…
Commercial + Industrial|Natural Gas -
NEEA Energy Efficiency Test Procedure for Residential Clothes Dryers
A test procedure for clothes dryers used to generate utility energy savings estimates Version 2.0 – Updated December 2022 This document describes a clothes dryer laboratory test procedure used to calculate a real-world metric for residential clothes dryer energy use. The procedure describes the different cycles, settings, test load articles, and equipment needed to generate the…
Residential