Heat Pump 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 2026

    Residential
  • Home Energy Metering Study Data Standardization and Peak Load Analysis

    The Home Energy Metering Study (HEMS) collected one-minute, circuit-level energy use data from more than 400 homes across the Northwest between 2018 and 2026, resulting in a dataset of more than 14 billion data points. The HEMS Data Standardization and Peak Load Analysis, prepared by Resilient Edge and Linden Clean Energy, draws on data from…

    Residential
  • End-Use Load Research Commercial Energy Metering Study – Final Report

    NEEA and its partners launched the End‑Use Load Research (EULR) project, which collected high‑frequency energy use data from residential and commercial buildings, including the Commercial Energy Metering Study (CEMS) focused on key HVAC end uses in office and retail buildings. This report summarizes the breadth of data collected through the CEMS and was prepared by…

    Commercial + Industrial
  • Heat Pump Water Heater Market Progress Evaluation Report #8

    The Northwest Energy Efficiency Alliance (NEEA) contracted with NMR Group, Inc. to conduct the eighth Market Progress Report (MPER) for its Heat Pump Water Heater (HPWH) program. The report finds that the program has contributed greatly to setting the groundwork for ongoing and widespread HPWH adoption. Between 2021 and 2024, HPWH market share in the…

    Residential
  • Q1 2026 RETAC Meeting Notes

    The Regional Emerging Technology Advisory Committee (RETAC) held their first quarterly meeting of 2026 on March 11th. Topics included an overview and update on the dairy heat pump water heater pilot project by Bonneville Power Administration (BPA), as well as an overview from Pacific Northwest National Laboratory (PNNL). Members also held a round robin discussion…

    Commercial + Industrial|Residential
  • 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
  • Q1 2026 RETAC Meeting Slides

    The Regional Emerging Technology Advisory Committee (RETAC) will hold their first quarterly meeting of 2026 on March 11th. Topics will include an overview and update on the dairy heat pump water heater pilot project by Bonneville Power Administration (BPA), as well as an overview from Pacific Northwest National Laboratory (PNNL). Members will also have a…

    Commercial + Industrial|Residential
  • Q1 2026 RETAC Agenda Packet

    The Regional Emerging Technology Advisory Committee (RETAC) will hold their first quarterly meeting of 2026 on March 11th. Topics will include an overview and update on the dairy heat pump water heater pilot project by Bonneville Power Administration (BPA), as well as an overview from Pacific Northwest National Laboratory (PNNL). Members will also have a…

    Commercial + Industrial|Residential
  • AWHS Residential Chapter Revision

    Advanced Water Heating Specification Residential Chapter Revision NEEA’s Advanced Water Heating Specification (AWHS) provides guidance to manufacturers in developing residential heat pump water heaters (HPWHs) capable of providing consumer satisfaction and energy efficiency. Additionally, NEEA’s residential HPWH Qualified Product List (QPL) recognizes products qualified by NEEA to the residential sections of the AWHS. The AWHS…

    Residential
  • Commercial HPWH Product Assessment Datasheet (PADS)

    For commercial heat pump water heaters (HPWH) to be considered for inclusion on the Qualified Products List, HPWH product vendors must complete and submit a Product Assessment Datasheet (PADS). The PADS outlines compliance with the requirements within NEEA’s “Advanced Water Heating Specification.”   

    Commercial + Industrial

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