Research & Papers

ENERGY STAR Retail Products Platform

February 12, 2026

The ENERGY STAR® Retail Products Platform (ESRPP) is a national collaborative initiative comprised of ENERGY STAR®, energy efficiency program sponsors and retailers that offers midstream incentives to encourage retailers to stock and promote energy-efficient products. As one of California’s newer sponsors of ESRPP, CalMTA designed the ESRPP Strategy Pilot, to study how the Induction Cooking and Room Heat Pump Market Transformation Initiatives could engage with California retailers to increase sales of efficient equipment to targeted environmental and social justice communities.

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120V Battery-Equipped Induction Ranges

This report presents findings from a field study conducted at an Eden Housing apartment complex, Emerson Arms, where the team installed Copper’s “Charlie” model induction range to replace existing gas ranges. The study aimed to gather both quantitative and qualitative data to assess how users adapt to 120-volt (120V) battery-equipped

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California Window Stock Study

CalMTA’s Phase II research for the Room Heat Pumps (RHPs) Market Transformation Initiative revealed that nearly half of California’s residential windows are horizontal sliders, while primary bedrooms and living rooms are the most likely locations for RHPs. This creates a challenge: the most efficient RHP designs currently fit only double-hung

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Commercial Rooftop Units: Market Characterization Report

This Market Characterization report is an output of the Phase II research for the Efficient Rooftop Unit (ERTU) Advancement Plan, finalized in February 2024. The Advancement Plan described the research needed to support the development of the Commercial Rooftop Unit (CRTU) Market Transformation Initiative (MTI) Plan. Please note the Market

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Room Heat Pump Self-Installation Strategy Pilot Report
Room Heat Pump Self-Installation Practices Strategy Pilot Report

CalMTA’s Phase II research for the Room Heat Pumps Market Transformation Initiative (MTI) identified the need for research to better understand how consumers install, interact with, and utilize this technology. The Room Heat Pumps Self-Installation Practices Strategy Pilot was developed to yield greater insight into two primary assumed benefits of

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Chefluencer Event Testing Strategy Pilot Report

CalMTA’s Phase II research for the Induction Cooking market transformation initiative (MTI) identified key barriers to adoption, including low consumer awareness of induction technology and its benefits, cultural and consumer attachment to gas cooking, and concerns about the durability of newer induction products. To address these challenges, CalMTA sought to test interventions

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Room Heat Pump Strategy Pilot Fact Sheet
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Fact Sheet: Room Heat Pumps Installation Strategy Pilot

CalMTA’s exploration of the Room Heat Pumps (RHPs) Market Transformation Initiative (MTI) identified the need for research into how consumers install, interact with, and utilize this technology. We developed the RHPs Self-Installation Practices Program Strategy Pilot to yield greater insight into two primary assumed benefits of the technology, which are

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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.

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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.

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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.

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Commercial Rooftop Units Draft MTI Plan

Commercial Buildings Efficiency Accelerator Fact Sheet

California Window Stock Study

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