AC & furnace repair and installation in South Carolina
Same-day pros across 61 South Carolina cities. Estimate your cost, then call to lock in the price.
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What it costs across South Carolina
AC Repair
AC repair cost depends on the failing part and whether the system is low on refrigerant, electrical, or mechanical. Common fixes — capacitors, contactors, fan motors, refrigerant recharges — land between $150 and $1,500 including labor, while a failed compressor runs higher.
See Charleston pricing →Furnace Repair
Furnace repair cost depends on the failing part and whether the unit is gas or electric. Common fixes — flame sensors, igniters, blower motors, control boards — land between $150 and $1,800 including labor, while a cracked heat exchanger runs higher.
See Charleston pricing →AC Installation
AC installation cost covers the equipment and labor to fit a new system — whether it's a like-for-like central AC replacement, a first-time install with new ductwork, or a ductless mini-split. The number swings with tonnage, SEER2 efficiency tier, and duct condition.
See Charleston pricing →AC Maintenance
AC maintenance — a seasonal tune-up — keeps the system running efficiently and catches small faults before they become summer breakdowns. A single visit runs $75–$200; annual plans that bundle a spring AC and fall heating check cost a bit more.
See Charleston pricing →* Statewide medians — open a city for locally adjusted pricing.
What’s different about South Carolina.
Generic cost pages skip the things that actually decide your price and which system fits here — local code, climate, and the money you can claim back.
Recommended unit for South Carolina
Given South Carolina’s hot-humid climate and heat-pump heating, high-seer2 heat pump is the sensible default for most South Carolina homes. With a long, hard cooling season here, stepping up the SEER2 tier pays back through lower summer bills. A pro can confirm the right size and system for your home with a load calculation.
Sources: Dominion Energy SC Heating and Cooling Rebates · Duke Energy HVAC Replacement Rebate · EIA South Carolina Electricity Profile
What South Carolina code requires
Across South Carolina, installing or replacing an HVAC system means meeting these statewide rules under the state mechanical code:
- PermitRequired
Mechanical permit pulled by your licensed HVAC contractor; covers equipment, refrigerant, and the electrical disconnect.
- SEER2 minimum14.3 SEER2 (Southeast)
Federal Southeast-region minimum for new split-system AC. Higher tiers cut bills and unlock rebates.
- Load calculationRecommended
Sizing by load calc — not rule of thumb — prevents an oversized unit that short-cycles and never dehumidifies.
- RefrigerantR-454B / R-32 (R-410A phased down 2025+)
- Good to know—
South Carolina enforces the IECC-based state energy code with a hot-humid focus; high heat-pump adoption means electric-strip backup sizing and humidity control matter more than cold-climate concerns.
Sources: Dominion Energy SC Heating and Cooling Rebates · Duke Energy HVAC Replacement Rebate · EIA South Carolina Electricity Profile
Not sure which rules and rebates apply to your home?
A licensed South Carolina pro will walk you through code, the right unit, and what you can claim back — in one quick call.
No obligation — talk through your options.
Money back in South Carolina
South Carolina heating is mostly heat-pump, which shapes the money back:
- State$400-$1,000 (up to $650 for electric furnace to heat pump)Dominion Energy SC - Heating & Cooling Rebates (ENERGY STAR heat pump) →
State or utility program — verify eligibility before you buy.
- State$500-$1,000 (heat pump replacement; requires Home Energy Check)Duke Energy SC - HVAC Replacement / Home Energy Improvement rebates →
State or utility program — verify eligibility before you buy.
- Federal30% of cost, up to $2,000Federal 25C tax credit — heat pump →
For a qualifying ENERGY STAR heat pump meeting the CEE efficiency tier. Claimed on your federal return.
The federal 25C tax credit (30%, up to $2,000 for a qualifying heat pump and up to $600 for a high-efficiency central AC) applies in every state, including South Carolina.
Ready to get your HVAC system serviced in South Carolina?
Speak with a licensed, insured HVAC technician near you. Upfront pricing, same-day availability, no obligation.
- Licensed & insured
- Same-day availability
- Upfront, no-pressure pricing
- Local pros near you
No obligation — talk through your options.

All 61 South Carolina cities
Type your city to jump straight to local pricing.
- Charleston150k
- Columbia137k
- North Charleston116k
- Mount Pleasant91k
- Rock Hill74k
- Greenville71k
- Summerville51k
- Goose Creek46k
- Sumter43k
- Florence40k
- Spartanburg38k
- Hilton Head Island38k
- Greer37k
- Myrtle Beach36k
- Aiken32k
- Bluffton29k
- Anderson29k
- Fort Mill26k
- Mauldin25k
- Conway25k
- Carolina Forest25k
- Socastee24k
- North Augusta24k
- Simpsonville24k
- Lexington24k
- Easley23k
- Taylors23k
- Greenwood23k
- St. Andrews22k
- Wade Hampton21k
- Hanahan21k
- North Myrtle Beach19k
- Five Forks19k
- Clemson18k
- West Columbia17k
- Dentsville16k
- Berea16k
- Seven Oaks16k
- Red Hill16k
- Ladson15k
- Port Royal15k
- Lake Wylie14k
- Gantt14k
- Cayce14k
- Beaufort14k
- Moncks Corner13k
- Orangeburg13k
- Tega Cay13k
- Gaffney13k
- Parker12k
- James Island12k
- Irmo12k
- Oak Grove11k
- Boiling Springs11k
- Garden City11k
- Newberry11k
- Powdersville11k
- Fountain Inn11k
- Red Bank11k
- Forest Acres11k
- Murrells Inlet10k
61 cities
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- 2
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- 3
Repair or replace, fast
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HVAC FAQs — South Carolina
In South Carolina, a mechanical permit is generally required for an AC or heat pump install. Your licensed HVAC contractor pulls it; it covers the equipment, refrigerant, and electrical disconnect.
Get an HVAC quote in South Carolina.
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