Trade directory · Huntsville metro · Alabama

HVAC contractors in
Huntsville, Alabama.

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

Licensed Establishments
1,564
U.S. Census Bureau
Peak Season
May through September for cooling, November through February for heating
Market estimate
Avg. Response Time
24-48 hours for quotes, same-day for emergency calls
Operator average
§ A · Market rates

Common Job Costs

HUNTSVILLE-AL · LOCAL ESTIMATES
Service
Description
Cost Range
AC unit replacement
Typical range based on local ac unit replacement jobs.
$3,500 – $8,000
Furnace installation
Typical range based on local furnace installation jobs.
$2,800 – $6,500
Ductwork repair
Typical range based on local ductwork repair jobs.
$300 – $1,500
System tune-up
Typical range based on local system tune-up jobs.
$120 – $300
Emergency repair
Typical range based on local emergency repair jobs.
$200 – $800
§ B · Regulatory

Licensing Requirements

AL
§1

Licensing Requirements

Alabama requires HVAC contractors to hold a state mechanical contractor license through the Alabama Licensing Board for General Contractors. Must pass trade exam and business law exam. Requires 4 years experience or 2-year degree plus 2 years experience. License renewal every 2 years with continuing education requirements.

§2

Permit Requirements

City of Huntsville requires mechanical permits for HVAC installations, replacements, and major repairs. Permits obtained through Huntsville Building Services Department. Residential permits typically $50-150, commercial varies by project scope.

§3

Inspection Schedule

Rough-in inspection before ductwork is concealed, final inspection before system activation. Additional inspections may be required for gas line connections. Schedule inspections 24 hours in advance through city building department.

§4

Insurance Minimums

Alabama requires minimum $50,000 general liability insurance for licensing. Huntsville may require additional coverage for larger commercial projects. Workers compensation required if employing others.

§ C · Path to license

How to Get Licensed

6 STEPS
1

Meet experience requirements

Complete 4 years of HVAC experience OR 2-year degree plus 2 years experience. Document all experience with employer verification forms.

01/06
2

Submit application

File application with Alabama Licensing Board for General Contractors including experience documentation, references, and financial statement.

02/06
3

Pass trade examination

Pass the mechanical contractor trade exam covering HVAC systems, codes, and installation practices.

03/06
4

Pass business law exam

Complete business and law examination covering Alabama contractor regulations and business practices.

04/06
5

Obtain insurance and bonding

Secure required general liability insurance and any bonding requirements before license approval.

05/06
6

Pay fees and receive license

Submit all fees and receive active mechanical contractor license. License valid for 2 years with continuing education for renewal.

06/06
§ D · Field notes

About This Market

UPDATED APR 2026

Huntsville's HVAC market runs hot year-round thanks to humid summers, military contracts at Redstone Arsenal, and steady residential growth. You've got 1,564 licensed establishments statewide competing for work, but Huntsville's tech boom and defense spending keep demand strong. Residential replacements drive the bread-and-butter work, while commercial contracts from aerospace and defense sectors provide the big-ticket jobs. Costs stay competitive due to lower labor rates compared to major metros, but material costs hit the same as anywhere else. Getting licensed in Alabama means jumping through the state contractor board hoops - 4 years experience or education equivalent, plus passing their exams. Huntsville building department runs tight inspections, so know your codes. Summer service calls are your goldmine, but don't sleep on preventive maintenance contracts for steady cash flow. The military and aerospace clients pay well but demand quality work and proper documentation. Heat pump installations are common here due to the climate, and indoor air quality work is growing with the educated workforce.

Data Sources
  • Licensed establishments count
    US Census Bureau
  • Licensing requirements
    Alabama Licensing Board for General Contractors
  • Permit requirements
    City of Huntsville Building Services Department
  • Cost estimates
    Market analysis estimate
  • Insurance minimums
    Alabama state contractor licensing requirements
§ E · FAQ

Frequently Asked Questions

05 QUESTIONS
Q/01

What license do I need to work HVAC in Huntsville, AL?

Alabama requires a state mechanical contractor license through the Alabama Licensing Board for General Contractors, plus local business license from Huntsville.

Q/02

How much does an AC replacement cost in Huntsville?

Residential AC replacement typically runs $3,500-$8,000 depending on unit size and efficiency rating. Commercial systems vary widely by tonnage and application.

Q/03

Do I need permits for HVAC work in Huntsville?

Yes, Huntsville requires mechanical permits for installations, replacements, and major repairs. Obtain permits through Huntsville Building Services Department before starting work.

Q/04

When is HVAC busiest in Huntsville?

Peak cooling season runs May through September, with heating calls concentrated November through February. Emergency calls spike during extreme weather events.

Q/05

What insurance do HVAC contractors need in Alabama?

Alabama requires minimum $50,000 general liability for licensing. Workers compensation mandatory if you have employees. Consider higher coverage for commercial work.

§ F · Directory

HVAC contractors in Huntsville

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.