HVAC Tune-Up & Maintenance Cost in St. George, Utah
Expect to pay $100 to $280 for HVAC tune-up in St. George, UT (per visit). Most homeowners end up near $200, depending on the equipment tier and how much of the old setup can be reused.
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St. George Weather and HVAC Load
NOAA's 1991-2020 climate normals put St. George at 3,205 heating degree days and 2,416 cooling degree days per year. Neither season dominates in St. George. That balance is a big reason heat pumps and dual-fuel systems sell well in Utah. Count on roughly 62 nights below 32°F and 128 afternoons past 90°F in a typical year. Snowfall averages about 1 inches.
| Heating degree days / year | 3,205 |
|---|---|
| Cooling degree days / year | 2,416 |
| Nights at or below 32°F | 62 |
| Days above 90°F | 128 |
| Average low / high | 48.2°F / 77.3°F |
St. George Housing Stock
Census figures put the median build year in St. George at 2000, so a typical house here has about 26 years on it. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. About 24,000 households here own their home, 68.2% of the occupied total. With a median household income of $72,870 and a median home value of $456,900, local labor rates come out near the national middle in our model.
NOAA storm reports for Washington County show 4 hail days and 15 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 1 inches across. Storms here are more likely to cause power surges than coil damage, so a surge protector on the outdoor unit is worth the small cost. In St. George, 22% 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
- Your energy bills have crept up
- The system hasn't been serviced in the past year
What Moves the Price
- Extra cleaning of the coil, blower or drain
- How many systems the house has
- A yearly maintenance plan or a one-time visit
- One system, or both heating and cooling
For St. George we raised the national figures about 7%, based on local income, home values and climate-based equipment sizing. Get at least three written quotes; real bids can land outside this range.
What the Quote Should Cover
- Inspecting the burners, flame sensor and heat exchanger
- Checking refrigerant and airflow
- Tightening electrical connections
- Checking and replacing the filter
- Cleaning the coil and condensate drain
- Calibrating the thermostat
Utah Permits, Efficiency Rules and Rebates
Utah 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
- Yearly plans usually include repair discounts and priority scheduling.
- Have the furnace tuned up in the fall and the AC in the spring.
- Keep your receipts. Many warranties ask for proof of maintenance.
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HVAC Tune-Up & Maintenance Questions from St. George Homeowners
How much is HVAC tune-up in St. George?
Plan on $100 to $280, with most jobs near $200. 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 St. George?
In spring or fall. Those are the slow months between heating and cooling season in St. George.
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.
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.
HVAC Tune-Up & Maintenance Near St. George
- Provo $90 to $270
- West Jordan $110 to $310
- West Valley City $100 to $280
- Salt Lake City $100 to $290
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station St. George; NOAA Storm Events Database 2020-2025, Washington County. Prices are our estimates, not contractor quotes. Updated 2026.