Heat Pump Installation Cost in Billings, Montana

Our 2026 estimate for heat pump installation in Billings, MT is $6,500 to $16,000. That puts Billings 18% above the national average, mainly because of the bigger heating equipment this climate calls for.
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Billings Weather and HVAC Load
Billings logs 6,753 heating degree days and 662 cooling degree days in a normal year, based on the closest NOAA weather station. Heating is the bigger job here, and furnaces and heat pumps in Billings put in far more hours than the air conditioner. On average, Billings gets 142 freezing nights and 32 days above 90°F per year. Snowfall averages about 57 inches. For a 2,000 sq ft house, this climate points to a heating load somewhere near 70,000 BTU/h. Treat that as a starting number. A Manual J calculation will move it up or down based on insulation and windows.
| Heating degree days / year | 6,753 |
|---|---|
| Cooling degree days / year | 662 |
| Nights at or below 32°F | 142 |
| Days above 90°F | 32 |
| Average low / high | 37°F / 59.4°F |
Billings Housing Stock
Half the homes in Billings were built before 1979 (Census ACS median), so the typical house is about 47 years old. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Owners live in 64.8% of occupied homes, roughly 33,000 households. Homes here have a median value of $311,800 and households a median income of $71,855. Those two numbers drive the labor adjustment in our estimate.
Yellowstone County had 21 hail days and 32 days with damaging thunderstorm winds from 2020 through 2025, according to NOAA storm records. The largest hail reported was 2.75 inches across. Hail flattens the thin aluminum fins on condenser coils and cuts airflow. After a big storm, take a look at the outdoor unit; homeowners insurance often covers the damage. In Billings, 18.4% of residents are 65 or older. For older adults, a house with no heat in January or no AC during a heat wave is a medical risk. Mention it when you call, since many companies put those calls first.
When It Makes Sense
- There's no natural gas service on your street
- The house heats with electric baseboard, oil or propane
- Energy bills are higher than you want them to be
What Moves the Price
- Backup heat, either electric strips or a gas furnace (dual-fuel)
- A ducted system or a ductless mini-split
- Size in tons, and whether the unit is cold-climate rated
- Variable-speed (inverter) or single-stage compressor
- Electrical panel capacity and wiring
We raised the national figures about 18% for Billings using local income, home values and the equipment size this climate needs. Real bids can still come in outside the range, so collect three written quotes.
What the Quote Should Cover
- A load calculation and equipment selection
- Commissioning and warranty registration
- The outdoor heat pump and an indoor air handler or coil
- Line set, drain and electrical hookups
- Thermostat setup and backup heat settings
Montana Permits, Efficiency Rules and Rebates
Montana falls in the DOE's North region. New split central air conditioners must meet at least 13.4 SEER2, and heat pumps sold anywhere in the U.S. need 14.3 SEER2 and 7.5 HSPF2. Equipment replacements in Billings generally need a mechanical permit, and a reputable contractor will pull it for you. Ask for their Montana license or registration number and a certificate of insurance with the quote. The federal 25C tax credit ended for equipment installed after December 31, 2025, so incentives now come mostly from utilities and state programs. Check your electric and gas utility's rebate page before you pick equipment.
Before You Hire
- Where winters get cold, ask for a model on the NEEP cold-climate list.
- A dual-fuel setup keeps your gas furnace as backup for the coldest nights.
- Ask your electric utility and state energy office what heat pump rebates are open right now.
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Heat Pump Installation Questions from Billings Homeowners
How much is heat pump installation in Billings?
Plan on $6,500 to $16,000, with most jobs near $11,700. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule heat pump installation in Billings?
Between late spring and early fall. Billings averages 142 freezing nights a year, and heating calls spike from November through February.
How long does a heat pump last?
Usually 12 to 15 years. A heat pump runs year-round, so it needs maintenance twice a year rather than once.
Do heat pumps work in cold weather?
Yes. Cold-climate heat pumps keep making heat well below 0°F. They lose efficiency as it gets colder, so many homes in cold regions keep backup heat.
Heat Pump Installation Near Billings
- Bozeman $7,900 to $19,300
- Missoula $6,900 to $16,800
- Great Falls $6,100 to $15,100
- Butte $6,100 to $14,900
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Billings Logan International Airport; NOAA Storm Events Database 2020-2025, Yellowstone County. Prices are our estimates, not contractor quotes. Updated 2026.