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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…
Heating and Cooling|Residential -
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 -
Laundry Appliances
Taking Efficiency for a Spin: The Market Transformation Trajectory of Super-Efficient Dryers Beginning in 2010, NEEA led an end-to-end Market Transformation approach to laundry appliances, culminating in a record number of energy-efficient dryer options for Northwest consumers. With so many options available in stores throughout the region, efficient ENERGY STAR® and heat pump dryers—which are…
Consumer Products|Products|Residential -
Q2 2025 RETAC Agenda Packet
The Regional Emerging Technology Advisory Committee (RETAC) held their second quarterly meeting of 2025 on June 18th. Topics include a committee “round robin” discussion of energy efficiency initiatives within the region, and an open discussion from members who attended the recent Hot Water-Hot Air Forum and Efficiency Exchange conferences.
Commercial|Residential|Technology -
Dual-Fuel HVAC White Paper
Advancing dual-fuel residential HVAC to achieve a reliable, resilient and affordable energy future. North America’s energy system stands at a pivotal juncture, necessitating innovative and multifaceted approaches to support future resilience and reliability. Integrating natural gas and electricity can be a flexible and resilient solution to meeting the growing needs of our energy system. Dual-fuel…
Commercial|Commercial Buildings|Heating and Cooling|Natural Gas|Residential|Residential Buildings -
Code Savings Technical Assumptions Review
The Northwest Energy Efficiency Alliance (NEEA) contracted with Energy 350 to review three assumptions underlying the savings it reports for updates to energy codes for new construction buildings: Energy 350 found that most assumptions NEEA made to adjust code savings analyses were valid. The review team noted several areas where NEEA could improve assumptions either…
Commercial|Commercial Buildings|Natural Gas|New Construction|Residential|Residential Buildings -
Residential HPWH Product Assessment Datasheet
For use in conjunction with “Advanced Water Heating Specification.”
Consumer Products|Products|Residential