Emergency line open 24/7 · Times shown in ET
AC repair in Charleston, SC
Charleston sits in Charleston County and we cover 16 ZIP codes across it. One call routes your cooling fault to an independent local provider.
Your call connects you with an independent local HVAC provider. No obligation.
Call (855) 321-3194How do I get AC repair in Charleston, SC today?
Calling (855) 321-3194 is the fastest route. Give the ZIP code, and the operator connects you with an independent provider working in Charleston. The visit window and the price both come from that provider, not from us.
Cooling calls in Charleston
Cooling work in Charleston is shaped by what South Carolina asks of a condenser. Hot humid summers with coastal corrosion on condenser coils. That changes which parts wear out first, and it changes how quickly a marginal system falls behind on the hottest days.
Every ZIP code below belongs to Charleston in Charleston County. If yours is missing from the grid, the line can still check it, because provider coverage and our published page set are not the same thing.
Local considerations
Condensate management in Charleston matters more during humid stretches than in dry climates. A drain line that empties slowly is not a problem in spring and becomes one in August, when the coil produces a quart or more per hour.
Duct condition in older Charleston homes accounts for more lost cooling than equipment faults do. A system running correctly can still struggle to hold setpoint if the ductwork is leaking into unconditioned space.
Looking for the other side of the system? Heating Repair in Charleston, SC.
Services
Cooling services in Charleston
The cooling services below cover the majority of Charleston calls. Prices shown are national bands; the mid-tier figures for this market appear further down.
6 services
AC Repair in Charleston
Most AC calls arrive during the first heat event of the season, when every system that was only marginal tips into a fault at the same moment.
View ac repair
02 AC Installation and Replacement in Charleston
Replacement decisions usually surface in the middle of cooling season, when a failed compressor turns a repair quote into a replacement conversation.
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03 Heat Pump Repair in Charleston
The outdoor coil on a heat pump runs in two configurations across the year, which makes keeping it clean and at the right charge more critical than on a dedicated cooling unit.
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04 HVAC Maintenance and Tune-Up in Charleston
A maintenance visit gives the technician a chance to measure static pressure, check refrigerant levels and clean the coil before demand season strips those options.
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05 Thermostat Installation and Repair in Charleston
A thermostat that will not call for cooling looks exactly like a failed air conditioner, which is why it is ruled out first.
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06 Duct Cleaning and Sealing in Charleston
A duct system that loses 20% of its air before reaching the registers makes the cooling equipment work harder and extends run times without improving comfort.
DetailsInteractive
What is your thermostat reading?
Drag the dial to the temperature your thermostat shows now. The readout names the likely cause band, how urgent it is, and which page to read next.
78
Degrees F
- Likely cause band
- Cooling capacity loss: dirty coil, low refrigerant charge from a leak, or a failing capacitor.
- Urgency
- Call today
- Read next
- AC not cooling
What to do while you wait
- Turn the system off and let any ice on the coil or line set melt completely.
- Check the condensate drain and pan for standing water, which can trip a safety switch.
- Swap in a clean filter if the current one is grey or clogged.
- In a heat advisory, prioritise getting vulnerable people somewhere cooler.
Nearby
Nearby cities we cover
Problems we route in Charleston
Summer demand across Charleston County moves in waves, so availability on a given afternoon says little about availability the next morning. The operator gives you the real window rather than an optimistic one.
Emergency
If this is happening right now
Call now
- No cool air during a heat advisory
- No heat with outdoor temperatures below freezing
- Burning smell from the vents
- Water pooling at the air handler
- Ice on the line set
- Breaker tripping on every cycle
Call (855) 321-3194 and give your ZIP code.
Shut it off and call the utility or 911 first
- You smell gas: leave the building, then call the gas utility or 911
- Smoke or sparking at the equipment
- A carbon monoxide alarm is sounding: leave and call 911
Reference: CPSC recalls and US Fire Administration heating fire safety.
Shut it down safely
- Set the thermostat to off so the system stops cycling.
- Kill the breaker at the air handler and at the outdoor condenser.
- If you smell gas, leave the building first, then close the gas shut-off at the furnace only once you are outside and have called the utility or 911.
- Clear the area around the equipment and keep pets and people away from it.
A 24/7 line means the phone is answered around the clock in ET. It does not mean a technician is standing by in every market at every hour.
Same-day and 24/7 emergency services are subject to provider participation, location, technician availability, and demand. Availability is not guaranteed and may vary by market and appointment capacity.
Call (855) 321-3194Questions
Charleston HVAC questions
Do you handle mini split systems in Charleston?
Yes, where a provider covering your ZIP code services them. Mention the brand and whether it is a single head or a multi-zone system when you call, so the operator matches a provider who works on that equipment.
What happens if the breaker keeps tripping?
Leave it off. A breaker tripping on every cycle indicates a genuine electrical fault, commonly a failing compressor drawing locked-rotor current or a shorted fan motor. Resetting it repeatedly risks damage beyond the original fault.
Can someone come out today?
Sometimes. The line is answered 24/7 in ET, but same-day arrival depends on provider participation, your location inside Charleston, technician availability and how heavy demand is that day. The operator tells you the window offered before you commit.
Why is my AC running but not cooling?
The three usual answers are restricted airflow, low refrigerant charge from a leak, or a failed capacitor stopping the compressor from starting. A technician separates them with a static pressure reading and a superheat measurement.
Can I get maintenance rather than a repair?
Yes. Maintenance visits cover coil cleaning, condensate drain clearing, filter replacement and a capacitor check. These are booked rather than dispatched as emergencies, and they typically cost less than a repair call.
Written and fact-checked by the HVAC Emergency USA editorial team. Last updated . Editorial policy.