Alliance members are committed to decarbonizing the buildings sector, including collectively achieving zero-emission new construction as soon as practicable, accelerating efforts to eliminate emissions from existing buildings, and collectively quadrupling heat pump installations across the coalition by 2030. 

Member Action


Below are tallies of the number of members that have adopted or are in the process of adopting statutory and executive policies and actions.

For the most up-to-date, in-depth breakdown of buildings climate actions across our membership, explore the Alliance Policy Database.

Did You Know?

Member Spotlight

Maine Marks Heat Pump Milestone Two Years Ahead of Schedule

In 2019, Maine set out to install 100,000 heat pumps in homes across the state — in 2023, two years ahead of schedule, the state announced that they surpassed this goal, a milestone representing significant progress in reducing Maine’s reliance on heating oil, lowering heating costs, and curbing harmful carbon emissions. To continue the momentum, Governor Janet Mills unveiled a new target: installing another 175,000 additional heat pumps in Maine by 2027.

September 2023

Press Release | 2023

Guide | 2021

The 2021 Building Decarbonization Roadmap, produced by RMI through collaboration with staff from various state offices as well as industry experts, is a tool designed to summarize the highest-impact actions that states can take to decarbonize.
Building Decarbonization Roadmap

The Alliance collaborated with RMI to summarize the highest-impact actions states can take to decarbonize.