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HVAC Repair in Knoxville, TN

Compare 9 local hvac repair pros. Typical service: $140–$419.

Top HVAC Repair Companies in Knoxville

  1. 1.Chancey & Reynolds, Inc.

    4.8★ (1,631 reviews)

    4.8★ from 1631 reviews

    +18654127753Website

  2. 2.AA-Air Company

    4.9★ (836 reviews)

    4.9★ from 836 reviews

    +18652131354Website

  3. 3.Fair Heating and Air LLC

    4.9★ (65 reviews)

    4.9★ from 65 reviews

    +18658094568Website

  4. 4.Bucks Mechanical LLC

    5.0★ (29 reviews)

    5.0★ from 29 reviews

    +18656728257Website

  5. 5.DND Heating & Air Conditioning LLC

    4.8★ (23 reviews)

    4.8★ from 23 reviews

    +18652815594Website

  6. 6.Riverbend Contracting

    5.0★ (9 reviews)

    5.0★ from 9 reviews

    +18656220221Website

  7. 7.Heritage AC & Heating

    5.0★ (2 reviews)

    5.0★ from 2 reviews

    +18655223838Website

  8. 8.DND HVAC

    5.0★ (1 reviews)

    5.0★ from 1 reviews

    +18652991452

  9. 9.CSAC HVAC LLC

    +18653268815Website

HVAC Repair Cost in Knoxville

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Knoxville
AC repair$140–$419/job
Seasonal tune-up$70–$186/visit
Furnace repair$140–$466/job
AC replacement$4,655–$11,172/job

HVAC Repair prices in Knoxville run about 7% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 9 companies serving Knoxville, rated 4.9★ on average across 2,596 customer reviews.

Knoxville Climate & Seasonal Timing

What Knoxville's weather means for scheduling hvac repair.

Last spring frost
April 11
First fall frost
October 30
Annual precipitation
51.93"
Heating degree days
3,955
Cooling degree days
1,339
MonthLowHighPrecip
Jan27.2°47°4.84"
Feb29.6°51.6°4.63"
Mar36.1°61°4.64"
Apr43.7°69.8°4.31"
May53.4°77.6°4.8"
Jun62.6°84.9°3.9"
Jul66.8°87.8°5.57"
Aug65.5°87.5°3.35"
Sep58.2°82.1°3.74"
Oct46°71.5°2.84"
Nov36.3°60.4°4.24"
Dec29.7°49.5°5.07"

NOAA station data 5.01 miles from Knoxville.

Permits & Regulations in TN

Permit typically required

  • HVAC falls under the Mechanical Contracting classification of the Tennessee Board for Licensing Contractors — CMC-C covers HVAC, refrigeration and gas piping
  • A contractor license is required once the HVAC portion of a project reaches $25,000 including materials, equipment and labor
  • Tennessee does not license individual HVAC technicians; they work under a licensed mechanical contractor

License required: Tennessee CMC-C mechanical contractor license (projects $25,000+)

Sources: www.tn.gov

HVAC Repair FAQs for Knoxville

How much does AC repair cost in Knoxville?

AC repair in Knoxville typically runs $140-$419 per job.

When should I service my AC in Knoxville?

Knoxville averages 1,339 cooling degree days a year, so most systems get a tune-up before the first sustained heat rather than during it.

Do I need a permit for HVAC work in Knoxville, TN?

In TN, HVAC falls under the Mechanical Contracting classification of the Tennessee Board for Licensing Contractors — CMC-C covers HVAC, refrigeration and gas piping. Verify with the Knoxville building department before equipment is replaced.

How many HVAC companies serve Knoxville?

We track 9 HVAC professionals serving Knoxville.

How hard does Knoxville heat work an air conditioner?

Summer highs near 88F in Knoxville mean systems run long cycles for months, which is what drives the compressor and capacitor failures common here.

Does Knoxville need heating as well as cooling?

With 3,955 heating degree days against 1,339 cooling degree days, Knoxville homes need both, and sizing for one alone leaves the other uncomfortable.

Is HVAC service in Knoxville more expensive than the national average?

HVAC work in Knoxville runs about -6.9% versus the national average.

When should I switch to heat in Knoxville?

Most Knoxville homes need heat by the first frost around October 30, and winter lows near 27F set how hard it has to work.