HVAC Installation & Repair in Knoxville, TN

Compare 24 hvac installation & repair contractors near you in Knoxville and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 23, 2026

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Other Businesses in This Area

Cantrell's Heat & Air

5.012+ years online
knoxvilleheatingandairconditioning.comGet a Free Quote

1st Choice Heating and Air

4.9~9 years online
1stchoicehvacknox.comGet a Free Quote

865 HVAC & Plumbing

4.910½+ years online
865hvac.com

AA-Air Company dba Central City Heating & Air Conditioning

4.9~5 years online
yourcomfortablezone.com

Aire Care Mechanical Heating & Cooling

4.911 years online
airecareknoxville.com

Aire Serv of Knoxville

4.930+ years online
aireserv.com/knoxville

Chaffee HVAC, Plumbing, & Electrical

4.93½+ years online
coolingheatingplumbing.comGet a Free Quote

East TN Heat & Air LLC

4.9~12 years online
easttnheatandair.com

Hiller Plumbing, Heating, Cooling & Electrical

4.916+ years online
happyhiller.com/locations/knoxville

Pol's Heating and Cooling

4.9~6 years online
polsheatingandcooling.com

R & M Climate Control Service Experts

4.9~27 years online
serviceexperts.com/knoxville-tn

Smith Heating and Air

4.99 mo online
smithheatandair.com

All-Star Heating and Air Conditioning

4.86+ years online
all-starhvacknoxville.com/hvac-contractor-knoxville-tn

Cook's Comfort Systems, Inc.

4.817+ years online
cookscomfortsystems.com

J.C.'s

4.817+ years online
jcsheatingandair.com

Pioneer Heating, Cooling, Plumbing and Electrical

4.825½+ years online
pioneercomfort.com

Pipe Wrench Plumbing, Heating & Cooling

4.825 years online
pipewrenchplumbing.comGet a Free Quote

Rocky Top HVAC, LLC

4.82½+ years online
rockytophvac.com

HVAC Installation & Repair in Nearby TN Cities

About HVAC Installation & Repair in Knoxville

HVAC work covers heating, ventilation, and air conditioning — from furnace and AC replacement to ductwork modification and zoning systems. Regular maintenance extends equipment life, but most units need replacement every 15–20 years.

Typical costs: A new central AC unit installed runs $3,500–$7,500. Furnace replacement is similar. A complete HVAC system (furnace + AC + ductwork) can be $10,000–$20,000+ depending on home size and equipment efficiency rating.

Common projects include:
  • Central AC replacement
  • Furnace or boiler replacement
  • Ductwork installation or modification
  • Mini-split / ductless system installation
  • Thermostat upgrade and zoning

HVAC replacements and new installations typically require mechanical permits. Equipment changes that affect gas lines or electrical circuits may need additional permits.

Frequently Asked Questions

How much does hvac installation & repair cost in Knoxville?
Costs depend heavily on system type and home size. A straightforward AC swap on an existing system runs $3,500–$7,500. Switching from forced air to a mini-split system, or adding ductwork, increases cost significantly. Always get 2–3 quotes.
How do I find a reliable hvac installation & repair contractor in Knoxville?
HVAC contractors should be licensed and insured. Ask about their experience with your specific system type (forced air, boiler, heat pump, mini-split). Get load calculations — a good contractor sizes the system to your home, not just matches what you had before.
Do I need a permit for hvac installation & repair in Knoxville?
Most HVAC installations and replacements require a mechanical permit and inspection. Your contractor should pull the permit — if they suggest skipping it, that's a red flag.

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