Montana

Heat pump incentives in Montana

No statewide rebate program

verified 2026-07

Incentives run through your utility

No live state program. Flathead Electric Cooperative offers $800 for a ductless heat pump replacing electric-resistance heat. NorthWestern Energy runs E+ rebates that vary by cycle; confirm current amounts.

Utility programs in Montana

These are the named utility and ratepayer rebates on file for Montana. You claim the one that serves your address, not the total. Each card carries the program’s own terms: what equipment qualifies, who is eligible, what the cap actually is, and whether it stacks.

NorthWestern Energy

northwesternenergy.com

Varies

by measure

You claim it after installVaries by measure

E+ air-source and ductless heat pump rebates vary by HSPF tier. The prior program cycle closed June 30, 2026; confirm the current cycle amount before quoting.

Equipment that qualifies
E+ air-source and ductless rebates vary by HSPF tier.
Who qualifies, and the cap
NorthWestern Energy Montana customers. The prior E+ program cycle closed June 30, 2026; confirm the current cycle amount before quoting.
Stacking
Confirm current cycle amount and stacking.

Flathead Electric Cooperative

flatheadelectric.com

$800

maximum

You claim it after installFlat amount

Ductless heat pump $800 replacing electric-resistance primary heat; 3% financing.

Equipment that qualifies
Ductless heat pump replacing electric-resistance primary heat; confirm HSPF2 tier.
Who qualifies, and the cap
Flathead Electric Cooperative members replacing electric-resistance primary heat. $800.
Stacking
Rebate plus 3% financing (loan, separate from the rebate).

What your system should be sized for

A heat pump in Montana should carry the house on the coldest design day, not the average one. These are the winter design temperatures our engine sizes against, in AHRI heating region V (7,200 heating degree days at the Billings reference metro).

CityDesign tempBasis
Billings-10°Festimated
Missoula-8°Festimated
Great Falls-16°Festimated

Get notified when instant quoting opens in Montana

One email when your market goes live, plus an alert if a program on this page changes. Nothing else.

  • Rebate amounts are estimates and subject to change. Verify current program terms and eligibility before quoting a final net price.
  • Eligibility varies by income, equipment efficiency, utility territory, and program funding availability.
  • State and utility programs only. Federal 25C/25D tax credits expired 12/31/2025 and the DOE HEAR/HOMES rebate programs ended 5/29/2026; neither is included.
  • After-install rebates are claimed by the homeowner after installation and are not guaranteed at the point of sale.