No heat or no cooling right now?
If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside. Otherwise, call a company below that says it takes emergency calls. Quick checks first: AC not cooling · furnace not working.
The list
Huntsville HVAC companies, A to Z
Filter by what each business says on its own website. “Says 24/7 emergency” means its site says so – call to confirm before you rely on it.
Your HVAC company, Huntsville
The one City Spotlight place for Huntsville sits here, above the A to Z list. Requests sent from this page for areas the Spotlight company serves go to it. Offered only to companies that pass our listing rules. How it works
Annette Hale's Indoor Comfort Systems
Based in Huntsville, AL · 1201 Church St NW, Huntsville, AL 35801
Names on its website: Athens, Madison, Decatur
License number shown on its website: AL LIC #01264
Anytime Heating and Cooling, LLC
Based in Huntsville, AL · 3006 11th Ave SW, Huntsville, AL 35805
Names on its website: Madison County
Best Care Home Services
Based in Madison, AL · 114 Celtic Circle, Madison, AL 35758
Names on its website: Huntsville, Athens, Decatur, New Hope, Priceville, Harvest, Hazel Green, Gurley, Hampton Cove, Meridianville
License number shown on its website: Alabama HVAC License #2019018
Conditioned Air Solutions
Based in Huntsville, AL · 200 Dan Tibbs Rd NW, Huntsville, AL 35806
Names on its website: Ardmore, Athens, Decatur, Hampton Cove, Hartselle, Harvest, Madison, Meridianville, New Hope, Owens Cross Roads and more
License number shown on its website: HVAC AL #08093 | REF AL #52466 | TN #78246 | ELECTRICAL #08108
Craig Comfort Control
Based in Huntsville, AL · 1025 Baltimore Hill Rd, Huntsville, AL 35810
Names on its website: Ardmore, Athens, Brownsboro, Gurley, Hampton Cove, Harvest, Hazel Green, Madison, Meridianville, New Market and more
License number shown on its website: HVAC AL #15170
Durham Service Company Inc.
Based in Owens Cross Roads, AL · 160 Christian Road, Owens Cross Roads, AL 35763
Names on its website: Huntsville, Madison, Harvest, Meridianville, Athens, Ardmore, Guntersville, Hampton Cove, Hazel Green, New Hope and more
License number shown on its website: HVAC #96102
Environmental Comfort Systems
Based in Decatur, AL · 1021 Brooks St SE, Decatur, AL 35601
Names on its website: Athens, Hartselle, Madison, Priceville, Huntsville, Jones Valley, Owens Cross Roads, Monte Sano
License number shown on its website: AL HVAC License # 92314; AL Refrigeration License # 50562
Gatlin's Heating & Cooling, Inc.
Based in Athens, AL · 16642 Quinn Rd, Athens, AL 35611
Names on its website: Madison, Huntsville, Owens Cross Roads, Gurley, New Hope, Toney, Harvest, Hazel Green, Meridianville, New Market and more
License number shown on its website: ALHVAC# 03227
Higdon Service
Based in Decatur, AL · 1915 State Hwy 20, Decatur, AL 35601
Names on its website: Madison
Integrity Services Heating & Cooling
Based in Madison, AL · 240 Westchester Road, Madison, AL 35758
Names on its website: Decatur, Huntsville, Owens Cross Roads, Meridianville, Athens, Tanner, Harvest, Toney, Hampton Cove
License number shown on its website: AL HVAC 14130
McCormack Heating and Cooling Inc.
Based in Huntsville, AL · 3410 8th Ave, Huntsville, AL 35805
One Source Heating, Cooling, Plumbing & Electrical
Based in Madison, AL · 9582 Madison Blvd Suite 15, Madison, AL 35758
Names on its website: Huntsville
License number shown on its website: HVAC AL Lic #2006196
Rocket City Air Heating Cooling & Plumbing
Based in Huntsville, AL · 1429 Weatherly Rd SE Suite F, Huntsville, AL 35803
Names on its website: Madison County, Marshall County
License number shown on its website: #2023027
Southeastern Mechanical Services, LLC
Based in Decatur, AL · 1102 B 4th Ave SE, Suite 8 B, Decatur, AL 35603
Names on its website: Athens, Hartselle
License number shown on its website: AL certification: 06219
Southern Comfort HVAC LLC
Based in Huntsville, AL
Names on its website: Madison, Owens Cross Roads
License number shown on its website: State of Alabama Certification License Number: 02229
Southern Solar Systems
Based in Huntsville, AL · 11807 South Memorial Parkway, Huntsville, AL 35803
Talent Heating and Air Conditioning
Based in Huntsville, AL · 203 Brown St NW, Huntsville, AL
Names on its website: Madison, Athens, Decatur, Harvest, Hazel Green, Meridianville, Gurley, New Market, Triana, Ardmore and more
License number shown on its website: Alabama Cert #21014 | Gas #6161
The Hutchens Company
Based in Huntsville, AL · 2508 Washington Street NW, Huntsville, AL 35811
Names on its website: Decatur
Thomas Service Company
Based in Huntsville, AL · 8210 Stephanie Dr. SW, Suite J, Huntsville, AL 35802
Names on its website: Athens, Decatur, Guntersville, Hazel Green, Meridianville, Madison, Owens Cross Roads, Hampton Cove, Scottsboro
Tim Cottles Heating & Air Conditioning
Based in Athens, AL · 13205 New Cut Road, Athens, AL 35611
Names on its website: Anderson, Ardmore, Decatur, Florence, Harvest, Huntsville, Killen, Lexington, Madison, Rogersville
License number shown on its website: AL CERT# 52546, 95264, 00776
Details on this page come from each business’s own website, checked October 2026. Free listings are shown alphabetically. How we list · Update or remove a listing
Before you hire
Checking an HVAC company in the Huntsville area
HVAC licenses in Alabama
HVAC contractors are licensed by the state.
Who licenses: Alabama Board of Heating, Air Conditioning & Refrigeration Contractors
License types: Heating & Air Conditioning Contractor License, Refrigeration Contractor License.
Companies: Anyone who installs, services or repairs heating or air conditioning equipment, or commercial refrigeration equipment, must be certified by the Board under the Alabama heating, air conditioning and refrigeration contractor law (Code of Ala. 1975, Title 34, Chapter 31) and Board rules (Ala. Admin. Code ch. 440-X-3). Building owners working on their own property and regular maintenance employees working on their employer's premises are exempt.
Local rules: Board rules refer to local licenses and permits that contractors buy from cities and counties in addition to the state certification, so a local business license or permit may also apply.
Check a license: hacr.igovsolution.net
Search the company or its qualifying individual on the Board's license lookup and confirm the certification is active and covers heating/air conditioning (or refrigeration) before signing.
Federal rule: in every state, technicians who handle refrigerant must hold EPA Section 608 certification, whatever the state or city requires.
Sources: hacr.alabama.gov, hacr.alabama.gov, hacr.alabama.gov, admincode.legislature.state.al.us. Checked October 2026 from official sources. This is not legal advice.
Questions to ask
Ask every company the same questions: license number, insurance, EPA refrigerant certification, a written itemized estimate, a load calculation for new equipment, after-hours rates, who pulls the permit, and the warranty. All eight questions.
Seasonal care
Year-round care in Huntsville
Huntsville homes lean on both heating and cooling, so each system needs a check before its season: cooling in spring, heating in fall.
Questions
Huntsville HVAC questions
How many HVAC companies are listed in Huntsville?
20 HVAC companies, each based within about 35 miles of Huntsville. They are listed alphabetically.
Which Huntsville HVAC companies say they offer 24/7 emergency service?
12 of the businesses listed here say on their own website that they offer 24/7 or 24-hour emergency service: Annette Hale’s Indoor Comfort Systems, Anytime Heating and Cooling, LLC, Best Care Home Services, Environmental Comfort Systems, Gatlin’s Heating & Cooling, Inc., Higdon Service, Integrity Services Heating & Cooling, One Source Heating, Cooling, Plumbing & Electrical, Rocket City Air Heating Cooling & Plumbing, Talent Heating and Air Conditioning, The Hutchens Company, Tim Cottles Heating & Air Conditioning. Call to confirm availability and after-hours rates.
Do HVAC contractors in Huntsville need a license?
Alabama licenses HVAC contractors statewide through the Alabama Board of Heating, Air Conditioning & Refrigeration Contractors. Check a license at hacr.igovsolution.net.
Which Huntsville companies work on heat pumps?
14 of the listed businesses say on their own website that they install or repair heat pumps. Use the Heat pumps filter above the list.
Which HVAC companies here do commercial work?
15 of the listed businesses say on their own website that they work on commercial properties. Use the Commercial filter above the list.
Do technicians need EPA certification?
Yes: federal rules require technicians who handle refrigerant to hold EPA Section 608 certification, in every state. Ask any company you are considering.
Nearby metro areas: Atlanta, GA · Miami, FL · Tampa, FL · Orlando, FL · Nashville, TN · Jacksonville, FL · Memphis, TN · Birmingham, AL. All of Alabama.
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No heat in freezing weather, or no cooling in dangerous heat? Call a company from the list that says it takes emergency calls – a form is not fast enough. If you smell gas or a carbon monoxide alarm sounds, leave first and call 911 or your gas utility from outside.