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Dual-Fuel Heat Pump Systems Analysis
The Northwest Energy Efficiency Alliance (NEEA) is exploring the potential of dual-fuel heat pumps for residential heating and cooling in the Northwest. To support this work, NEEA contracted with Larson Energy Research to develop a model that compares various technologies. The study used 2022 Residential Building Stock Assessment data to evaluate current and emerging systems,…
Heating and Cooling|Natural Gas|New Construction|Products|Regional Studies|Residential|Residential Buildings|Technology -
Air Compressors Standard Evaluation
The Northwest Energy Efficiency Alliance (NEEA) contracted with Michaels Energy from December 2024 to July 2025 to assess NEEA and its partners’ influence on the federal standard for Industrial Air Compressors. The evaluation included a review of rulemaking documents and interviews with key stakeholders. Findings show that NEEA and its partners’ activities, including participation in…
Industrial -
Commercial HPWH Qualified Products List
The Commercial/Multifamily HPWH Systems QPL contains information on Commercial and Multifamily products that meet the Advanced Water Heating Specification requirements. These products generally serve more than four dwelling units or a commercial load (as defined in the specification). Products can be integrated or split systems. Please contact us with any questions. Updated as of 2025 – Version…
Commercial + Industrial|Commercial Buildings|Products -
Validation Analysis of the Power Index Calculation Procedure
To help improve energy efficiency in motor systems, the National Electrical Manufacturers Association (NEMA) developed the MG 10011-2024 Power Index (PI) Calculation Procedure, a simplified method that reflects how motors perform under typical, real-world operating conditions. Many commercial and industrial motors operate below optimal load levels, yet few use load control technologies that could significantly…
Commercial + Industrial|Commercial Buildings -
High-Performance HVAC Market Progress Evaluation Report 1
The Northwest Energy Efficiency Alliance (NEEA) contracted with NMR Group and Apex Analytics to complete the first Market Progress Evaluation Report (MPER) of NEEA’s High-Performance HVAC program. The High-Performance HVAC program promotes very high efficiency dedicated outside air systems (DOAS), a technology that can dramatically reduce energy consumption in commercial buildings. As the initiative’s first…
Commercial + Industrial -
Residential Heat Pump Water Heater Qualified Products List
The Residential Heat Pump Water Heater (HPWH) Qualified Products List (QPL) contains information on Residential HPWH products that meet the Advanced Water Heating Specification requirements. These products are found in Single Family or low rise multifamily (in residential dwelling units). Please contact us with any questions. Updated as of 2025
Consumer Products|Products|Residential -
Efficient Rooftop Units Market Progress Evaluation Report #1
The Northwest Energy Efficiency Alliance (NEEA) contracted with Apex Analytics to conduct the first Market Progress Evaluation Report (MPER) for the Efficient Rooftop Units (Efficient RTU) program. Conducted between June 2023 through May 2025, the study assessed market awareness, availability and adoption of efficient RTUs as alternatives to standard models. As the program’s first MPER,…
Commercial + Industrial|Natural Gas -
Portable Air Conditioners Standard Evaluation
The Northwest Energy Efficiency Alliance (NEEA) contracted with Michaels Energy from December 2024 to July 2025 to assess NEEA and its partners’ influence on the federal standard for Portable Air Conditioners. The evaluation included a review of rulemaking documents and interviews with key stakeholders. Findings show that NEEA and its partners’ activities, including participation in…
Heating and Cooling|Residential -
Calculating In Situ Fan Energy Index
As part of its Efficient Fans program, the Northwest Energy Efficiency Alliance (NEEA) contracted with Cascade Energy to conduct this research to gain additional insights into how energy-efficient fan systems perform in practice by comparing design-point Fan Energy Index (FEI) values with in field (in situ) performance outcomes. FEI is a standardized, unitless, design point…
Commercial + Industrial|Industrial|Products -
Ductless Heat Pumps: 2025 Market Diffusion Evaluation #3
In the fall of 2025, the Northwest Energy Efficiency Alliance (NEEA) contracted with OWL Research Partners to conduct the third Market Diffusion Evaluation, formerly known as Long-Term Monitoring and Tracking (LTMT), of its Ductless Heat Pump (DHP) program. Since transitioning from active market development in 2020, NEEA has been monitoring the DHP market for signs…
Residential