Montana insulation & spray foam rebates (2026)
Last checked October 16, 2026.
Federal tax credit (25C): ended
Insulation installed in Montana after December 31, 2025 does not qualify for the federal Energy Efficient Home Improvement Credit. IRS.
Montana Home Energy Rebate program
Not yet launched Montana Home Energy Rebates Program
Electrification/appliance rebates (HEAR): "Please note that the Montana Home Energy Rebates Program is not currently available. Final U.S. Department of Energy (DOE) approval of the implementation award is required in advance of program rollout."
Whole-home efficiency rebates (HOMES/HER): "Please note that the Montana Home Energy Rebates Program is not currently available. Final U.S. Department of Energy (DOE) approval of the implementation award is required in advance of program rollout."
Official source: As the designated State Energy Office, DEQ's Energy Bureau is responsible for the design and implementation of the programs in Montana. (page says: As of June 1st, 2026, DOE issued their initial, revised program guidance overview, with additional details to be provided in the coming months.). Status text compiled via referencesource.org, last checked by them August 25, 2026.
Utility rebates
We haven't verified utility insulation rebates in Montana. Try ENERGY STAR's rebate finder or DSIRE.