Trade directory · Knoxville metro · Tennessee

HVAC contractors in
Knoxville, Tennessee.

A public directory of licensed hvac contractors serving greater Knoxville. Market data, licensing requirements, and cost benchmarks — updated continuously from public sources.

Licensed Establishments
1,745
U.S. Census Bureau
Peak Season
May through September for AC work, October through February for heating repairs and installations
Market estimate
Avg. Response Time
24-48 hours for quotes, same day for emergency calls
Operator average
Avg. Hourly Wage
$27/hr
Bureau of Labor Statistics
§ A · Market rates

Common Job Costs

KNOXVILLE-TN · LOCAL ESTIMATES
Service
Description
Cost Range
Central AC unit replacement
Typical range based on local central ac unit replacement jobs.
$3,500 – $7,500
Furnace replacement
Typical range based on local furnace replacement jobs.
$2,800 – $6,000
Ductwork installation
Typical range based on local ductwork installation jobs.
$2,500 – $5,500
Heat pump installation
Typical range based on local heat pump installation jobs.
$4,000 – $8,000
HVAC system maintenance
Typical range based on local hvac system maintenance jobs.
$150 – $350
Emergency repair service
Typical range based on local emergency repair service jobs.
$200 – $800
§ B · Regulatory

Licensing Requirements

TN
§1

Licensing Requirements

TN requires HVAC contractors to hold a state contractor license through the Board for Licensing Contractors. Must pass PSI exam covering HVAC systems, codes, and business practices. Requires 4 years experience or equivalent education. License renewal every 2 years with 6 hours continuing education. Refrigerant handling requires EPA certification.

§2

Permit Requirements

City of Knoxville requires permits for HVAC installations and major repairs. Permit fees range $50-150 based on system size. Commercial work requires additional mechanical permits. All work must comply with International Mechanical Code as adopted by Tennessee.

§3

Inspection Schedule

Initial rough-in inspection after ductwork installation, final inspection upon system completion before occupancy. Commercial projects require additional inspections per Knox County Building Department schedule.

§4

Insurance Minimums

General liability minimum $300,000 per occurrence, $600,000 aggregate. Workers compensation required if any employees. Professional liability recommended for commercial work.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Meet experience requirements

Document 4 years of HVAC experience or complete approved technical education program. Gather employment records and reference letters from previous employers or clients.

01/06
2

Complete application

Submit contractor license application to Tennessee Board for Licensing Contractors with required documentation, experience verification, and application fee.

02/06
3

Pass PSI exam

Schedule and pass the PSI contractor examination covering HVAC systems, mechanical codes, safety regulations, and business practices. Study materials available through PSI.

03/06
4

Obtain EPA certification

Complete EPA Section 608 certification for refrigerant handling. Available in Universal, Type I, Type II, and Type III categories based on equipment types you'll service.

04/06
5

Secure insurance and bonding

Obtain required general liability insurance and surety bond. Submit proof of coverage to licensing board before license approval.

05/06
6

Maintain license

Renew license every 2 years with 6 hours continuing education. Track renewal dates and complete CE requirements through approved providers.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Knoxville's HVAC market stays busy year-round with 1745 licensed establishments statewide competing for work. Summer cooling demands drive peak season revenue, but winter heating repairs keep crews working. Residential replacement jobs dominate, with growing commercial retrofit work downtown. Costs track regional averages with material logistics from Nashville adding delivery time. Market supports both large commercial outfits and smaller residential specialists. Getting licensed in Tennessee means proving your experience and passing their contractor exam - no shortcuts. The state takes licensing seriously with continuing education requirements every two years. Knoxville's permit process runs smooth if you know the local inspectors and follow International Mechanical Code standards. Plan your crew schedules around summer AC season and winter heating emergencies. Material supply chains run through regional distributors, so build those relationships early. Competition's fierce but there's enough work for contractors who show up on time and do quality installs.

Data Sources
  • Median hourly wage
    Bureau of Labor Statistics
  • Licensed establishments count
    U.S. Census Bureau
  • Licensing requirements
    Tennessee Board for Licensing Contractors
  • Permit requirements
    City of Knoxville Building Department
  • Insurance minimums
    Tennessee Department of Commerce and Insurance
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need for HVAC work in Tennessee?

Tennessee requires a state contractor license through the Board for Licensing Contractors, plus EPA certification for refrigerant handling. You need 4 years experience and must pass the PSI contractor exam covering HVAC systems and codes.

Q/02

How much do HVAC contractors make in Knoxville?

According to BLS data, HVAC technicians in Tennessee earn a median wage of $26.51 per hour or $55,141 annually. Contractor rates vary significantly based on specialization and business size.

Q/03

What permits do I need for HVAC installation in Knoxville?

City of Knoxville requires mechanical permits for HVAC installations and major repairs, with fees ranging $50-150. Commercial work requires additional permits per Knox County Building Department requirements.

Q/04

When is peak season for HVAC work in Knoxville?

Peak season runs May through September for air conditioning work, with secondary peak October through February for heating system repairs and replacements due to Tennessee's variable winter weather.

Q/05

What insurance do HVAC contractors need in Tennessee?

Tennessee requires general liability insurance with minimum $300,000 per occurrence and $600,000 aggregate coverage. Workers compensation is mandatory if you have employees, with professional liability recommended for commercial projects.

§ F · Directory

HVAC contractors in Knoxville

0 LISTED · SORTED BY DISTANCE

No contractors listed yet.

List your services

For contractors

Run your hvac business on The Forge.

Get listed on The Board for free. Manage leads, quotes, jobs, and follow-ups in one place. Built for trades, used by thousands of operators nationwide.