Water Heaters

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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

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    Consumer Products|Products|Residential

  • Residential HPWH Product Assessment Datasheet

    For use in conjunction with “Advanced Water Heating Specification.”   

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    Consumer Products|Products|Residential

  • Q4 2024 Market Research and Evaluation Newsletter

    Greetings to all of you! Welcome to the Q4 2024 Market Research & Evaluation (MRE) newsletter. Inside are all the details about what NEEA’s MRE team has been up to the past few months, as well as what’s planned for the start of the new year. It’s been an eventful year. Nearly 40 studies were…

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    Agricultural|Commercial|Commercial Buildings|Consumer Products|Integrated Systems|Natural Gas|New Construction|Products|Residential Buildings

  • 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…

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    Residential Buildings|Technology

  • Commercial HPWH Product Assessment Datasheet

    For use in conjunction with the “Advanced Water Heating Specification.”

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    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 –…

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    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…

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    Products|Residential

  • Q2 2024 Market Research and Evaluation Newsletter

    The slightly slower pace and sunny days of summer are almost here. While NEEA’s Market Research and Evaluation (MRE) team has a lot of work to carry out through the warm months, things are slowing just a bit. This is evidenced by the slightly shorter than typical list of projects highlighted in this quarter’s newsletter.…

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    Commercial|Commercial Buildings|Consumer Products|Heating and Cooling|Integrated Systems|Natural Gas|Products|Residential|Residential Buildings

  • Q1 2024 Emerging Technology Newsletter

    2024 is off to a strong start for the Emerging Technology team. In addition to the progress on existing efforts, several new projects got underway including testing of commercial heat pump dryers, a commercial secondary window field study in collaboration with the California Energy Commission, participation in the development of vacuum insulated panels for easy exterior building retrofits,…

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    Commercial|Commercial Buildings|Consumer Products|Heating and Cooling|Industrial|Natural Gas|Products|Residential|Residential Buildings|Technology

  • Heat Pump Water Heaters in Multifamily New Construction: Design Charrette Findings

    After discovering unique building design and installation challenges of heat pump water heaters (HPWHs) in low-rise multifamily housing, the Northwest Energy Efficiency Alliance (NEEA) saw an opportunity. To better understand the opportunity at hand, NEEA staff collaborated with Energy Trust of Oregon staff to identify solutions that overcome these challenges and increase adoption of HPWHs…

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    Commercial|Commercial Buildings|New Construction|Residential|Residential Buildings

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