Fact Sheets & Case Studies

Residential Heat Pump Water Heating MTI Overview

July 13, 2026

The Residential Heat Pump Water Heating (HPWH) MTI seeks to accelerate market adoption of HPWHs in California’s residential markets. HPWHs are a proven, high-efficiency technology and are a key solution for achieving the state’s building decarbonization, grid reliability, climate, and installation goals of 6 million heat pumps by 2030.

Heat Pumps|Residential

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The California Market Transformation Administrator (CalMTA) develops and manages market transformation initiatives in the state to reduce energy use and reduce greenhouse gas (GHG) emissions.

CalMTA seeks to help meet California’s energy efficiency and decarbonization goals by accelerating adoption of energy-efficient products and practices through market transformation. Market transformation is a proven strategic process of intervening in a market to create lasting change.
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CalMTA follows a rigorous process for reviewing, scoring, and then developing relevant, timely market transformation initiatives. The process supports market transformation initiative creation from concept to program development to market deployment, as well as the eventual exiting of the market.

The Market Transformation Advisory Board (MTAB) provides expertise and unbiased, non-binding recommendations on CalMTA’s market transformation initiatives. Register here for an upcoming advisory board meeting.

Learn more about CalMTA’s planning and research on energy efficient technologies and our work to build California’s market transformation portfolio, and access quarterly and annual progress reports.

Want to learn more? Join our mailing list to stay informed about upcoming meetings and events, RFI and RFP announcements, and more.  

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Resource Innovations
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(888) 217-0217

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