HVAC Tune-Up & Maintenance Cost in Billings, Montana
HVAC tune-up in Billings runs about $180 for a typical job (per visit). Basic installs start near $90. High-efficiency equipment with duct or electrical work can reach $260.
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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.
| 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 to Book It
- Airflow is weak, or room temperatures are uneven
- Heating or cooling season is a few weeks away
- Your energy bills have crept up
What Moves the Price
- Extra cleaning of the coil, blower or drain
- One system, or both heating and cooling
- How many systems the house has
- A yearly maintenance plan or a one-time visit
We kept the national figures close to unchanged 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
- Calibrating the thermostat
- Checking and replacing the filter
- Tightening electrical connections
- Inspecting the burners, flame sensor and heat exchanger
- Cleaning the coil and condensate drain
- Checking refrigerant and airflow
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.
Before You Hire
- Have the furnace tuned up in the fall and the AC in the spring.
- Yearly plans usually include repair discounts and priority scheduling.
- Change 1-inch filters every one to three months.
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HVAC Tune-Up & Maintenance Questions from Billings Homeowners
How much is HVAC tune-up in Billings?
Plan on $90 to $260, with most jobs near $180. Equipment efficiency, house size and the condition of the ducts and wiring decide where your quote falls.
When is the best time to schedule HVAC tune-up in Billings?
Between late spring and early fall. Billings averages 142 freezing nights a year, and heating calls spike from November through February.
Is an HVAC maintenance plan worth it?
For most people, yes. A plan usually costs about the same as two tune-ups, and the repair discounts and priority scheduling come with it.
How often should HVAC be serviced?
Once a year for a furnace or an AC. Twice a year for a heat pump or any system that runs year-round.
HVAC Tune-Up & Maintenance Near Billings
- Bozeman $110 to $310
- Missoula $90 to $270
- Great Falls $80 to $240
- Butte $80 to $240
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.