Professional HVAC Repair in Charleston, SC

$39 HVAC Tune-Up (AC)

Blower wheel pull and clean. Our 90-Minute Deep Clean Helps Prevent Breakdowns And Improve Efficiency.
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Exp. July 31st, 2026
$39 offer valid for first-time residential customers only. Includes up to 90 minutes of A/C or heat pump tune-up and blower wheel pull and clean when accessible. Repairs, parts, refrigerant, and additional services not included. No Breakdown Guarantee subject to terms and conditions. Cannot be combined with other offers.
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When your heating or cooling system stops working, you need fast, dependable service from a local HVAC company you can trust. Fix-it 24/7 provides expert HVAC repair services throughout Charleston and the surrounding Lowcountry, helping homeowners restore comfort quickly and affordably.

From emergency AC repairs during Charleston’s hottest days to heating system breakdowns during colder weather, our experienced technicians are available to diagnose and repair all major HVAC system brands and models.

Take advantage of our $39 HVAC Tune-Up, including blower wheel pull and clean service.

Fast Heating & Cooling Repair Services

HVAC problems can quickly impact your comfort, energy bills, and indoor air quality. Our licensed HVAC technicians provide fast, accurate diagnostics and reliable repairs designed to get your system running properly again.

Our Charleston HVAC Repair Services Include:

✓ Air conditioning repair

✓ Furnace repair

✓ Heat pump repair

✓ Thermostat troubleshooting

✓ Refrigerant leak detection & repair

✓ Electrical diagnostics & repairs

✓ Blower motor & fan repairs

✓ Emergency HVAC service

Whether your system needs a small repair or major component replacement, our team delivers honest recommendations and upfront pricing before any work begins.

“From the initial call to the completed repair, their team was professional, punctual, and respectful. They explained the issue thoroughly and gave an honest quote before doing any work.”

Kelly Williams
Meeting

“Every technician who came to our home was courteous, efficient, and clearly experienced in their trade. The scheduling process was seamless, and they kept us updated every step of the way.”

Elliot Lacy
A Fix-it technician stands smiling in front of a service van.

“We had an emergency late at night, and their team arrived fast and ready to help. They diagnosed the issue quickly and walked us through the repair plan before starting anything at all.”

Sydney Wilson

Signs Your HVAC System Needs Repair

Your heating and cooling system will often show warning signs before a major breakdown occurs. Catching problems early can help you avoid costly emergency repairs and uncomfortable indoor temperatures.

Common HVAC Warning Signs

• AC blowing warm air

• Furnace not heating properly

• Weak airflow from vents

• Uneven temperatures throughout the home

• Loud banging, grinding, or rattling noises

• Strange odors or musty smells

• Frequent cycling on and off

• Rising energy bills

If your HVAC system isn’t operating efficiently or consistently, our Charleston HVAC specialists can quickly identify the issue and recommend the best solution for your home.