Characterization of Central Heat Pump Water Heating Deployment in the Multifamily Market

This report presents a comprehensive analysis of Central Heat Pump Water Heating (CHPWH) systems in the multifamily market, focusing on system characterization, market trends, challenges, and adoption opportunities. Combining insights from existing literature, laboratory tests and field data, and primary stakeholder interviews, it provides valuable guidance for policymakers, program managers, and industry professionals to overcome barriers and advance CHPWH adoption for decarbonizing the multifamily sector.Water heating accounts for 27 to 32 percent of total energy use in multifamily buildings, according to the 2015 Residential Energy Consumption Survey by U.S. Energy Information Administration (EIA) As the industry moves towards decarbonization, CHPWH systems have emerged as a crucial technology for reducing carbon emissions and improving energy efficiency in multifamily buildings. The report provides a summary of key findings from the study, followed by the relevant recommendations designed to address identified challenges and enhance the adoption of CHPWH systems in multifamily buildings.