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Heat Pump Installers in Montana: HVAC & Mini Split

Find heat pump and HVAC installers in Montana. We've gathered 10 installers from across Montana with their phone number, address, hours, and Google rating, so you can compare and reach out for quotes. Listings span Billings, Kalispell, Havre, Butte, Great Falls and Missoula and more, so there's likely a contractor near you. The installers below average 4.8 stars on Google. A typical heat pump uses about 4,000 kWh a year, which at 12.7¢/kWh in Montana comes to roughly $506 a year in electricity; a right-sized, well-installed system is what keeps it at the low end of that range.

Before you get quotes in Montana: size and price the system

Heat pump sizing calculatorBTU and tonnage for your home and climateHeat pump cost calculatorInstalled price by system type and sizeMini split sizingBTU per zone for ductless systems

Montana at a glance

12.7¢
per kWh, residential

#41 most expensive of 51

$107.91
average monthly bill

EIA, 2024 annual avg

852 kWh
average monthly use

EIA, 2024 annual avg

$506.40
a year to run a heat pump

4,000 kWh/yr (typical) at 12.7¢/kWh

10 heat pump and HVAC installers in Montana

Spread across Montana so there's likely one near you. Enter your ZIP above to sort nearest-first. Details from public Google Business Profiles: verify before hiring.

How to choose a heat pump installer in Montana

Licensed HVAC contractor, EPA 608 certified

Anyone who opens a refrigerant line must hold EPA Section 608 certification (federal), and Montana may license HVAC contractors on top of that. The outdoor unit and any backup heat strips need their own 240V circuits, which is licensed electrical work: ask who does it, who pulls the electrical permit, and confirm liability insurance plus a workmanship warranty, not just the manufacturer's parts warranty.

Insist on a Manual J load calculation

An oversized heat pump short-cycles, dehumidifies poorly, and wears out early; an undersized one leans on expensive backup heat. A good installer runs an ACCA Manual J load calculation on your actual house (insulation, windows, orientation, air leakage) and a Manual S selection that checks the unit's real capacity at your design temperature, not its nominal tonnage. If a quote is based on square footage alone, get another quote.

Compare quotes on ratings, cold-weather capacity, and scope

Line up quotes on the same SEER2 and HSPF2 ratings, the same ducted or ductless design, and the same zoning. In a cold climate ask for the rated heating capacity at 5°F and whether the system is a cold-climate model. Make sure each quote spells out duct modifications, line-set length, the electrical circuit, the thermostat, backup heat, the permit and inspection, and the commissioning (refrigerant charge and airflow verified, not just a thermostat test).

What to know before hiring in Montana

The largest utilities serving Montana homes are NorthWestern Energy (328,125 residential customers, 14.2¢/kWh), Flathead Electric Coop (63,317 residential customers, 9.7¢/kWh) and Yellowstone Valley Elec Co-op (21,182 residential customers, 13.4¢/kWh). Your utility sets the rate your heat pump runs on, and it is also who an installer files interconnection or service paperwork with, so name it when you ask for quotes.

Check the license before you sign

The outdoor unit and any backup heat strips need new 240V circuits, which is licensed electrical work. Electrical contractors in Montana are licensed by the Montana State Electrical Board. Residential, Journeyman and Master Electrician plus Electrical Contractor licenses.

Look up a licenseBoard siteLinks checked 2026-10-19

Listing data is sourced from public Google Business Profiles and may be out of date. WattSimple is not affiliated with, and does not endorse or recommend, any listed company. Verify licensing and details directly before hiring.

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Frequently asked questions

Use a licensed HVAC contractor with EPA 608 certification, confirm they pull the mechanical and electrical permits Montana requires and schedule the inspection, and insist on an ACCA Manual J load calculation before any quote. Get at least three written quotes on the same system type and ratings (SEER2, HSPF2, and capacity at 5°F for cold climates), and check that commissioning, the electrical circuit, and a workmanship warranty are included.

Plan your heat pump project

Heat pump sizing calculator

BTU and tonnage from your home and climate.

Heat pump cost calculator

Installed price by system type and size.

Heat pump cost in Montana

Install ranges and running cost at Montana's rate.

Montana electricity rates

What you pay per kWh today in Montana.

Heat pump installation cost

What drives the installed price.

How to choose a heat pump

Ducted vs. ductless, ratings, cold-climate models.

All statesDo I need a panel upgrade for a heat pump?All installer directories
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