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South Carolina
HVAC companies in Charleston, SC
22 local HVAC companies based within about 35 miles of Charleston, listed A to Z with phone numbers, addresses and services. Paid placements are labeled.
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
Charleston 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, Charleston
The one City Spotlight place for Charleston 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
5 Star Charleston Heating & Air
Based in Johns Island, SC · 3226 Maybank Highway Suite E8, Johns Island, SC 29455
Names on its website: Charleston, Folly Beach, Isle of Palms, James Island, Kiawah Island, Mount Pleasant, North Charleston, Seabrook, Summerville, West Ashley
AC Heating and Air Conditioning Services
Based in Charleston, SC · 1943 Belgrade Ave, Suite 1, Charleston, SC 29407
Names on its website: Mount Pleasant, North Charleston, Sullivan's Island, Isle of Palms, Daniel Island, James Island, West Ashley, Folly Beach
License number shown on its website: License: #M-2809
Acute Heating & Cooling
Based in Summerville, SC · 1235 Boone Hill Rd. Suite 1, Summerville, SC 29483
Names on its website: Charleston, North Charleston, Goose Creek, Ladson, Moncks Corner, Mount Pleasant, Ridgeville
License number shown on its website: M114618
AGL Heating and Air
Based in Johns Island, SC · 3429 Maybank Hwy, Suite A1, Johns Island, SC 29455
Names on its website: West Ashley, Downtown Charleston, James Island, Folly Beach, Isle of Palms, Sullivans Island, Seabrook Island, Kiawah Island, Hollywood, Mount Pleasant and more
Air Pros Heating & Cooling
Based in North Charleston, SC · 4365 Dorchester Rd, North Charleston, SC 29405
Names on its website: Charleston, Summerville, Mt Pleasant, Ladson, Goose Creek, West Ashley, Hanahan
License number shown on its website: SC License: CLM115268MC
Anchor Heating & Air
Based in Charleston, SC · 1029 St. Andrews Blvd., Charleston, SC 29407
Names on its website: Daniel Island, Goose Creek, Hanahan, Isle of Palms, James Island, Johns Island, Kiawah Island, Ladson, Mount Pleasant, North Charleston and more
License number shown on its website: SC #RBH38835
Arctic Air Inc
Based in Summerville, SC · 155 Varnfield Dr, Summerville, SC 29483
Names on its website: Daniel Island, James Island, Goose Creek, Hanahan, Isle of Palms, North Charleston, Ladson, Mt. Pleasant, Moncks Corner, Charleston
Carney & Son 72 Degrees
Based in Johns Island, SC · 3528 Meek's Farm Rd, Johns Island, SC 29455
Names on its website: Charleston, North Charleston, Mount Pleasant
Charleston Heating and Air LLC
Based in North Charleston, SC · 4214 Domino Ave. Suite B, North Charleston, SC 29405
Names on its website: Charleston, Goose Creek
License number shown on its website: Mechanical #M110640
Coastal Air Plus
Based in Charleston, SC · 1777 Harmon Street, Charleston, SC 29405
Names on its website: Summerville
License number shown on its website: SC Mechanical Contractor #M111694
Elite Air & Heat of Summerville
Based in Summerville, SC · 133 Elliana Way, Unit A, Summerville, SC 29483
Goose Creek Heating & Air + Plumbing
Based in Goose Creek, SC · 302 Hamlet Circle, Goose Creek, SC 29445
Names on its website: North Charleston, Summerville, Charleston, Mt Pleasant, James Island, Moncks Corner, Folly Beach, Hanahan, Sullivan's Island, Isle of Palms and more
Holy City Heating & Air
Based in Charleston, SC · 238 East Bay St, Charleston, SC 29401
Names on its website: North Charleston, West Ashley, Mt. Pleasant, Summerville, Goose Creek, Daniel Island, James Island, Johns Island, Isle of Palms, Sullivan's Island and more
License number shown on its website: SC License #M113404
My Three Sons Heating & Air LLC
Based in Hanahan, SC · 5809 N Rhett Ave, Hanahan, SC 29410
Names on its website: Charleston, North Charleston, Summerville, Mount Pleasant, West Ashley, James Island, Daniel Island, Johns Island, Goose Creek, Ladson and more
License number shown on its website: SC License # CLM.117596
Myatt Air Conditioning
Based in Charleston, SC · 1235 Camp Rd, Charleston, SC 29412
Names on its website: Goose Creek, James Island, Johns Island, Kiawah Island, Ladson, Mt Pleasant, North Charleston, Seabrook Island, Summerville, West Ashley
Olde Towne Heating & Air
Based in North Charleston, SC · 3561 Meeting Street Rd, Unit D, North Charleston, SC 29405
Names on its website: Charleston, Folly Beach, Goose Creek, Hanahan, James Island, Johns Island, Kiawah, Moncks Corner, Mount Pleasant, Seabrook and more
License number shown on its website: License # M111056
Passion Heating and Air
Based in Johns Island, SC
Names on its website: Charleston, James Island, Daniel Island, Mount Pleasant, Isle of Palms, Sullivans Island, Folly Beach, Seabrook Island, West Ashley, Kiawah Island and more
Reliable Heating and Air, LLC
Based in Summerville, SC · 101 Moon Dance Ln, Summerville, SC 29483
Names on its website: Daniel Island, Goose Creek, Hanahan, James Island, Ladson, Moncks Corner, Mount Pleasant, Ridgeville, Sullivan's Island, West Ashley and more
Smith's Heating & Air Conditioning, Inc.
Based in Charleston, SC
Names on its website: North Charleston
Smoak's Comfort Control
Based in Charleston, SC · 1781 Harmony Street, Charleston, SC 29407
Names on its website: Daniel Island, Folly Beach, Goose Creek, Hanahan, Isle of Palms, James Island, Johns Island, Mount Pleasant, North Charleston, Summerville and more
License number shown on its website: Lic: CLM.1900
Southern Seasons Heating & Air Conditioning
Based in Mt Pleasant, SC · 1514 N Hwy 17, Suite B, Mt Pleasant, SC 29464
Names on its website: Daniel Island, Goose Creek, Hanahan, Johns Island, Isle of Palms, Kiawah Island, North Charleston, Folly Beach, Seabrook Island, James Island and more
Terrace Heating & Air
Based in Charleston, SC · 1828 Elsey Dr, Charleston, SC 29407
Names on its website: Johns Island, Mount Pleasant
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 Charleston area
HVAC licenses in South Carolina
HVAC contractors are licensed by the state.
License types: Mechanical Contractor: Air Conditioning, Mechanical Contractor: Heating, Mechanical Contractor: Refrigeration, Residential HVAC Installer and Repairer License (RBH).
Companies: Under S.C. Code 40-11-30 a person may not perform or offer mechanical contracting (which includes heating and air conditioning) above $10,000 without a Contractor's Licensing Board license, and residential HVAC work above $500 requires the Residential HVAC Installer and Repairer License from the Residential Builders Commission (S.C. Code Title 40, Chapter 59).
Local rules: Residential HVAC licensees are searched separately at https://verify.llronline.com/LicLookup/Resbu/Resbu.aspx?div=46.
Check a license: verify.llronline.com
For home HVAC work check the Residential Builders lookup, and for commercial work or larger jobs check the Contractor's Licensing Board lookup, before signing.
Federal rule: in every state, technicians who handle refrigerant must hold EPA Section 608 certification, whatever the state or city requires.
Sources: llr.sc.gov, scstatehouse.gov, llr.sc.gov. 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
Keeping cool in Charleston
Cooling season is the long one in Charleston, so most of the wear falls on the air conditioner or heat pump. These guides cover the care that prevents most summer breakdowns.
Questions
Charleston HVAC questions
How many HVAC companies are listed in Charleston?
22 HVAC companies, each based within about 35 miles of Charleston. They are listed alphabetically.
Which Charleston HVAC companies say they offer 24/7 emergency service?
9 of the businesses listed here say on their own website that they offer 24/7 or 24-hour emergency service: AC Heating and Air Conditioning Services, Acute Heating & Cooling, Air Pros Heating & Cooling, Elite Air & Heat of Summerville, Goose Creek Heating & Air + Plumbing, Reliable Heating and Air, LLC, Smoak’s Comfort Control, Southern Seasons Heating & Air Conditioning, Terrace Heating & Air. Call to confirm availability and after-hours rates.
Do HVAC contractors in Charleston need a license?
South Carolina licenses HVAC contractors statewide through the South Carolina Department of Labor, Licensing and Regulation (LLR): Contractor’s Licensing Board (commercial) and Residential Builders Commission (residential HVAC). Check a license at verify.llronline.com.
Which Charleston companies work on heat pumps?
19 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?
16 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 · Charlotte, NC · Raleigh, NC · Greenville, SC · Columbia, SC · Greensboro, NC. All of South Carolina.
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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.