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HVAC Repair in Charleston, SC

Compare 8 local hvac repair pros. Typical service: $144–$431.

Top HVAC Repair Companies in Charleston

  1. 1.Anchor Heating and Air LLC

    5.0★ (1,535 reviews)

    5.0★ from 1535 reviews

    +18433101803Website

  2. 2.Holy City Heating & Air, LLC

    4.9★ (1,203 reviews)

    4.9★ from 1203 reviews

    +18437907656Website

  3. 3.Smoak's Comfort Control

    4.9★ (919 reviews)

    4.9★ from 919 reviews

    +18435494233Website

  4. 4.5 Star Charleston

    4.9★ (305 reviews)

    4.9★ from 305 reviews

    +18434061700Website

  5. 5.East Cooper

    4.8★ (130 reviews)

    4.8★ from 130 reviews

    +18433756592

  6. 6.DanFree Refrigeration & HVAC

    5.0★ (10 reviews)

    5.0★ from 10 reviews

    +18438069132Website

  7. 7.Sears Heating and Air Conditioning

    1.0★ (2 reviews)

    1.0★ from 2 reviews

    +18436287092Website

  8. 8.Action Air Conditioning Repair Charleston

    +18542252452

HVAC Repair Cost in Charleston

Local ranges, adjusted for area wage and cost-of-living data.

ServiceTypical range in Charleston
AC repair$144–$431/job
Seasonal tune-up$72–$191/visit
Furnace repair$144–$479/job
AC replacement$4,785–$11,484/job

HVAC Repair prices in Charleston run about 4% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.

Quotes on this page come from 8 companies serving Charleston, rated 4.4★ on average across 4,104 customer reviews.

Charleston Climate & Seasonal Timing

What Charleston's weather means for scheduling hvac repair.

Last spring frost
February 6
First fall frost
December 23
Annual precipitation
44.42"
Heating degree days
1,736
Cooling degree days
2,375
MonthLowHighPrecip
Jan42.8°56.7°2.94"
Feb45.5°59.6°2.51"
Mar51.6°65°3.3"
Apr58.8°72°2.53"
May67.1°78.7°2.16"
Jun74°84.5°4.65"
Jul76.9°87.6°5.4"
Aug76.1°86.4°6.71"
Sep71.8°82°5.76"
Oct62.5°74.6°3.67"
Nov53.6°67.3°2.19"
Dec45.6°59.5°2.6"

NOAA station data 4.64 miles from Charleston.

Permits & Regulations in SC

Permit typically required

  • Mechanical contracting including HVAC is licensed through the SC Contractor's Licensing Board
  • Residential HVAC work runs through the Residential Builders Commission, which holds exam reciprocity with Alabama, North Carolina and Mississippi
  • Residential specialty registration applies to work over $500 that is not otherwise regulated under Title 40 Chapter 11

License required: SC LLR mechanical contractor or Residential HVAC license

Sources: llr.sc.gov, llr.sc.gov

HVAC Repair FAQs for Charleston

How much does AC repair cost in Charleston?

AC repair in Charleston typically runs $144-$431 per job.

When should I service my AC in Charleston?

Charleston averages 2,375 cooling degree days a year, so most systems get a tune-up before the first sustained heat rather than during it.

Do I need a permit for HVAC work in Charleston, SC?

In SC, Mechanical contracting including HVAC is licensed through the SC Contractor's Licensing Board. Verify with the Charleston building department before equipment is replaced.

How many HVAC companies serve Charleston?

We track 8 HVAC professionals serving Charleston.

How hard does Charleston heat work an air conditioner?

Summer highs near 88F in Charleston mean systems run long cycles for months, which is what drives the compressor and capacitor failures common here.

Does Charleston need heating as well as cooling?

With 1,736 heating degree days against 2,375 cooling degree days, Charleston homes need both, and sizing for one alone leaves the other uncomfortable.

Is HVAC service in Charleston more expensive than the national average?

HVAC work in Charleston runs about -4.3% versus the national average.

When should I switch to heat in Charleston?

Most Charleston homes need heat by the first frost around December 23, and winter lows near 43F set how hard it has to work.