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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 -
Residential HPWH Product Assessment Datasheet
For use in conjunction with “Advanced Water Heating Specification.”
Consumer Products|Products|Residential -
High Efficiency Gas Water Heater Research
In the spring of 2024, NEEA contracted with ILLUME Advising to improve understanding of the current residential gas water heater market, identify purchase motivators for people with high-efficiency gas equipment, and see if and where there is a market for a commercialized gas heat pump water heater (GHPWH). NEEA hypothesized that there was potential to…
Natural Gas|New Construction|Residential|Residential Buildings -
Market Research on Existing Water Heaters in Select Commercial Buildings, Final Report
In the spring of 2024, the Northwest Energy Efficiency Alliance (NEEA) contracted with Lieberman Research to conduct a market research study to better understand gas and electric water heating systems across a selection of commercial buildings in the Northwest, with particular focus on the gas market. These buildings included restaurants, lodging facilities and non-mixed use…
Commercial|Commercial Buildings|Natural Gas|New Construction -
Water Heater Flexible Load Conformance White Paper
Utilities have used residential loads for providing grid services to utility customers for decades, particularly for demand response. However, the number of customers participating in such programs remains low. New Flexible Load Management strategies for providing grid services have the potential to accelerate customer participation. Efforts to improve customer participation and experience will result in…
Residential Buildings|Technology -
Commercial HPWH Product Assessment Datasheet
For use in conjunction with the “Advanced Water Heating Specification.”
Commercial|Commercial Buildings|Products -
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 June 2025 –…
Commercial|Commercial Buildings|Products -
Advanced Water Heating Specification
This document succeeds the Northwest Energy Efficiency Alliance’s (NEEA’s) previous Advanced Water Heating Specification (AWHS Version 8.0). This version includes substantial updates to Chapters 2 and 3. For residential water heaters, demand response requirements are met through OpenADR Alliance’s EcoPort certification, split-systems are qualifiable for interior and/or exterior applications, and Plug-ins will be evaluated with…
Products|Residential