Explore
-
Dual-Fuel Hybrid Residential Water Heater – Technical and Laboratory Evaluation
The Northwest Energy Efficiency Alliance (NEEA) co-funded a laboratory study conducted by GTI Energy to evaluate the Navien 120V Residential Dual-Fuel Water Heater. This novel product features multiple on-board operating modes and integrates an industry- first 120-Volt (V) electric heat pump paired with either a 40- or 60-kBTU/h natural gas condensing backup burner. The research…
Natural Gas|Residential -
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 -
Recommendations for Adapting the TV Policy Approach for Computer Monitors and Digital Signage Displays
The Northwest Energy Efficiency Alliance (NEEA) contracted with Pacific Crest Labs (PCL) to conduct a study on the energy performance of computer monitors and digital signage displays (DSDs). This study extends the regulatory and testing framework, originally developed for televisions, to arrive at a unified approach to regulating all three display types under common test…
Commercial + Industrial|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 -
Retail Product Portfolio: Televisions Key Assumptions Review
The Northwest Energy Efficiency Alliance (NEEA) contracted with TRC to review its approach to standardizing television sales and specification data, as well as several calculations supporting savings from energy-efficient televisions for comprehensiveness and accuracy. Methods included a focused review of current literature and utilizing technical expertise to assess NEEA’s available datasets and calculations. TRC found…
Residential -
ENERGY STAR® Windows, Doors, & Skylights Version 7.0 Evaluation
The Northwest Energy Efficiency Alliance (NEEA) contracted with Apex Analytics in 2024 to evaluate what impact, if any, NEEA had on the updated ENERGY STAR Windows, Doors, & Skylights Version 7.0 specification. This evaluation considered both NEEA’s formal engagement in the specification review process and NEEA staff members’ engagement with the market more broadly. Apex…
Residential -
High-Performance Windows Baseline Review
As part of its High-Performance Windows program, the Northwest Energy Efficiency Alliance (NEEA) seeks to accelerate and broaden the installation of high-performance windows in residential buildings, with a long-term goal of having over 50% of window sales in the Northwest having a U-Value of 0.20 or less. To enhance its understanding of the current status…
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