❄️ HVAC · South Carolina

Best HVAC in South Carolina

Vetted hvac providers across 6 South Carolina cities. Each provider is scored on a 0–100 Vouched Score blending public-record signals, customer reviews, and editorial assessment. See methodology →

At a glance

Cities
6
Providers
69+

HVAC by city in South Carolina

HVAC market notes — South Carolina

Local cost drivers — climate, code, utility rebates, and refrigerant rules — that shape hvac pricing in South Carolina.

South Carolina runs a long April-through-October cooling season with relative humidity routinely above 70% (80–90% on the coast), so dehumidification capacity matters as much as raw tonnage, and coastal salt air accelerates condenser-coil corrosion — shortening equipment life and raising repair budgets near the shore.

Dominion Energy South Carolina's residential Heating & Cooling program pays $400–$500 toward a qualifying ENERGY STAR central AC or heat pump (minimum 15.2 SEER2, application filed within 90 days of install); Duke Energy serves the upstate with its own program.

Licensing runs through SC LLR's two boards — residential HVAC under the Residential Builders Commission and larger mechanical work under the Contractor's Licensing Board, each requiring a trade exam plus a business-and-law exam — and refrigerant handling requires federal EPA Section 608 certification.

Typical HVAC pricing in South Carolina (2026)

Last updated May 11, 2026

Estimated ranges for South Carolina. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.

ServiceTypical range
AC repair (typical service call)$150–$650
Furnace repair$150–$900
Tune-up / annual maintenance visit$90–$200
Full AC system replacement (3-ton, installed)$5,500–$13,000
Furnace replacement (installed)$3,000–$8,500
Heat pump installation$5,000–$14,500
Mini-split (single-zone, installed)$2,500–$6,500
Duct cleaning (whole-home)$350–$800
Duct sealing (Aeroseal or similar)$1,500–$3,500
Whole-house humidifier (installed)$400–$2,500
Whole-house dehumidifier (installed)$1,500–$3,500
Emergency / after-hours service premium$150–$500

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