Furnace Repair in Clarksville, Tennessee
A furnace repair visit in Clarksville, TN usually costs $150 to $630. Where you land depends on the part. A flame sensor cleaning or a new ignitor sits at the low end, while a blower motor or control board pushes the bill toward the top.
Compare Free Quotes in Clarksville
Clarksville Weather and HVAC Load
NOAA's 1991-2020 climate normals put Clarksville at 3,756 heating degree days and 1,661 cooling degree days per year. Heating is the bigger job here, and furnaces and heat pumps in Clarksville put in far more hours than the air conditioner. Count on roughly 78 nights below 32°F and 57 afternoons past 90°F in a typical year. For a 2,000 sq ft house, this climate points to a heating load somewhere near 50,000 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 | 3,756 |
|---|---|
| Cooling degree days / year | 1,661 |
| Nights at or below 32°F | 78 |
| Days above 90°F | 57 |
| Average low / high | 48.1°F / 70.2°F |
Clarksville Housing Stock
The median Clarksville home dates to 1996, according to the Census ACS. That makes the typical house about 30 years old. Plenty of houses from this period still run original 1990s or early-2000s equipment, which is past its expected service life. Owners live in 56.6% of occupied homes, roughly 37,000 households. Homes here have a median value of $236,100 and households a median income of $66,786. Those two numbers drive the labor adjustment in our estimate.
NOAA storm reports for Montgomery County show 6 hail days and 31 days with damaging thunderstorm winds over the six years from 2020 to 2025. The largest hail reported was 3 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. Montgomery County also had 2 tornado days in that period.
Symptoms Worth a Service Call
- Banging, squealing or rattling from the furnace
- The thermostat calls for heat and nothing happens
- A yellow or flickering flame instead of a steady blue one
- The blower won't stop running
- Cold air coming out of the vents
What Moves the Price
- Which part failed: a flame sensor costs far less than a control board or blower motor
- The furnace's age and brand, which affect parts availability
- Whether the part is still under the manufacturer warranty
- Night, weekend or holiday rates
- The diagnostic or service call fee
For Clarksville we kept the national figures close to unchanged, 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
- A diagnostic check
- A safety and combustion check
- A test run through a full heating cycle
- Replacing the part that failed
Tennessee Licensing and Efficiency Rules
Tennessee is in the DOE's Southeast region, where new split central air conditioners need at least 14.3 SEER2 (13.8 SEER2 for systems of 45,000 BTU/h and up). Most repairs don't need a permit. Anyone who opens the refrigerant circuit does need EPA Section 608 certification, and in Tennessee the company should carry a state license or registration. Ask for both.
Before You Hire
- If the furnace is past 15, ask the tech to price both a repair and a replacement.
- Have the model and serial number from the furnace label handy. Parts get ordered faster.
- Ask whether the diagnostic fee comes off the repair bill.
Get Free Furnace Repair Quotes in Clarksville
Tell us where you are and up to three licensed local pros will get in touch. You don't have to hire any of them.
Furnace Repair Questions from Clarksville Homeowners
What does furnace repair cost in Clarksville?
Most bills land between $150 and $630, including the service call. A typical visit is about $410. Night and weekend calls cost more.
What is the most common furnace repair?
Cleaning a dirty flame sensor or replacing a cracked hot-surface ignitor. They're also two of the cheapest repairs.
Should I repair or replace my furnace?
Here's a rule many techs use: multiply the furnace's age by the repair quote. If the number is over $5,000, replacing it usually makes more sense.
Furnace Repair Near Clarksville
- Chattanooga $140 to $610
- Knoxville $140 to $600
- Memphis $130 to $550
- Nashville $160 to $700
Sources: U.S. Census Bureau ACS 5-year estimates 2019-2023 and 2024 population estimates; NOAA NCEI U.S. Climate Normals 1991-2020, station Clarksville Wastewater Plant; NOAA Storm Events Database 2020-2025, Montgomery County. Prices are our estimates, not contractor quotes. Updated 2026.