Heat Pumps

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  • Maximizing Mini-Split Performance Report

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Sustainabilist to review and document ductless heat pump (DHPs or mini-split heat pumps) research and evaluations conducted over the past 15 years. The report explores why utility programs are not achieving the level of savings that were achieved in pilot programs and field tests and presents a…

    Residential
  • 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…

    Consumer Products|Residential
  • 2019 Alliance Cost Effectiveness Model Review for Ductless Heat Pumps

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc., to review the Alliance Cost Effectiveness (ACE) model for the Ductless Heat Pump (DHP) program. For the report, Ecotope focused on reviewing:  1) how the ACE model incorporates recent Regional Technical Forum measure updates for DHPs; 2) the appropriateness of the ACE model’s approach to…

    Residential
  • Northwest Ductless Heat Pump Initiative: Market Progress Evaluation #8 Addendum – Ductless Heat Pumps in Cold Climates Installer Research

    The Northwest Ductless Heat Pump Initiative: Market Progress Evaluation #8 Addendum – Ductless Heat Pumps in Cold Climates Installer Research, posted in August 2020, has been updated as of October 9, 2020 to incorporate additional survey data from installers to address a sampling error that was discovered after the release of the report. In 2019,…

    Residential
  • EXP07:19 Load-Based and Climate-Specific Testing and Rating Procedures for Heat Pumps and Air Conditioners

    This report contains the results and analysis from initial testing done using the 2019 “technical review” version of CSA EXP07 load based test procedure and rating of heat pumps on. This test procedure and rating was designed to better characterize variable capacity heat pumps with capacity not larger than = 65,000 BTUh. These preliminary results…

    Residential
  • 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…

    Products
  • Northwest Ductless Heat Pump Initiative: Market Progress Evaluation #8

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Cadmus to complete the 8thMarket Progress Evaluation Report (MPER) for the Ductless Heat Pump (DHP) initiative. This report presents the findings of research conducted between January and July 2019. The approach to this MPER differs from previous MPERs by providing a holistic look at the program’s history and…

    Residential
  • Heat Pump Water Heaters for Demand Response and Energy Storage

    Northwest Energy Efficiency Alliance (NEEA) initiated an in-the-field demonstration of residential Heat Pump Water Heaters (HWPH), evaluating the technology’s capability to provide demand response and energy storage to the electric grid. The project was conducted in an effort to provide the US Department of Energy with data to inform and support new electric water heater…

    Consumer Products|Residential|Residential Buildings
  • Marginal Impact of Electric Heat Pumps on Home Sale Price

    In November 2008, Northwest Energy Efficiency Alliance (NEEA) engaged ECONorthwest to estimate the effect that electric heat pumps have on the sale price of homes in the Northwest. In this memorandum, we describe the analytical methods followed and the results of the analysis. A summary of our findings is as follows:

    Heating and Cooling|Residential|Residential Buildings
  • Final Summary Report for the Ductless Heat Pump Impact and Process Evaluation

    The Northwest Energy Efficiency Alliance (NEEA) 1 hired Ecotope, Inc., supported by Research Into Action, Inc., and Stellar Processes to evaluate the Northwest Ductless Heat Pump (DHP) Pilot Project (Pilot Project).  The Pilot Project ran from October 2008 through December 2009.  A total of 3,899 installations were included in the Pilot project.  The DHP Impact…

    Consumer Products|Heating and Cooling|Residential|Residential Buildings

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