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CTA-2045 Water Heater Demonstration Project
The Northwest Energy Efficiency Alliance (NEEA) supported the Bonneville Power Administration (BPA) with this CTA 2045 Water Heating Demonstration project. The project sought to create a market transformation plan that would put the Northwest on a path to make hot water heating load shifting simple for customers without affecting their lifestyle. To do this, the…
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Advanced Water Heating Specification v8.0
The Advanced Water Heating Specification Version 8.0 (AWHS Version 8.0) will stay up as reference for organizations. The newest version of the AWHS Version 8.1 succeeds the AWHS Version 8.0 and was made available in July 2024. If you have any questions and or insights please contact us. This specification provides guidance to manufacturers and other market actors…
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Northwest Heat Pump Water Heater Market Progress Evaluation Report #6
The Northwest Energy Efficiency Alliance (NEEA) contracted with NMR Group in early 2021 to conduct its sixth Market Progress Evaluation Report (MPER) for the alliance’s Heat Pump Water Heater (HPWH) program. The findings of this MPER will help inform and refine program interventions in the market. The objectives of the report were to 1) Provide…
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2019 Alliance Cost Effectiveness Model Review for Heat Pump Water Heaters
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc., to review the Alliance Cost Effectiveness (ACE) model for the Heat Pump Water Heater program. For the report, Ecotope focused on reviewing NEEA staff’s proposed method to aggregate Residential Building Stock Assessment II data so that the savings forecast reflects new “alternate” savings weights. These…
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Advanced Water Heating Specification v7.0
The Advanced Water Heating Specification Version 7.0 (AWHS Version 7.0) will stay up as reference for organizations. The newest version of the AWHS Version 8.1 succeeds the AWHS Version 7.0 and the more recent AWHS Version 8.0. If you have any questions and or insights please contact us. This specification provides guidance to manufacturers and other market…
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Robur Heat Pump Field Trial
The Robur air-source gas absorption heat pump (GAHP) has been identified as an efficient product for water and space heating in buildings in the Northwest. Utilization of a heat pump to heat water allows for a coefficient of performance that exceeds one, however actual heat pump performance varies throughout the year and is dependent on ambient…
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Northwest Heat Pump Water Heater Initiative Market Progress Evaluation Report #5
The Northwest Energy Efficiency Alliance (NEEA) contracted with NMR Group to complete the 5th Market Progress Evaluation Report (MPER) for the electric Heat Pump Water Heaters (HPWH) initiative. This report presents the findings of an evaluation conducted between February and July 2019. The study emphasized research with installers to better understand barriers to installing and…
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Northwest Heat Pump Water Heater Initiative: Market Progress Evaluation Report #4
In September, NEEA published the fourth Market Progress Evaluation Report (MPER) of its Heat Pump Water Heater (HPWH) program. By reviewing sales and pricing data, and through feedback from distributers, installers and recent purchasers, a third-party evaluator found: Additionally, a broad range of installers reported that customers followed their HPWH recommendations 30-50% of the time…
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HPWH Lab Report_Sanden GAU_09.18.2013
Heat pump water heaters (HPWH) with an outdoor heat exchanger are a promising technology to more efficiently heat water. This project conducted lab tests of a variable-speed, CO2 refrigerant HPWH with the heat exchanger located in the outdoor unit. The testing plan included observing heat pump efficiency at a range of outdoor ambient temperatures from…
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HPWH Lab Report_Stiebel_220e_07.30.2015
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. and Cascade Engineering Services, Inc. to conduct a laboratory assessment of the Stiebel-Eltron Accelera 220 E heat pump water heater (HPWH) for northern climate installations. Cascade Engineering evaluated the Accelera 220 E using a testing plan developed by Ecotope to assess HPWH performance.