South Carolina climate & load drivers
- IECC climate zone: 3A-4A
- Annual load split: Cooling-dominant — annual cooling load exceeds heating load (2,400 HDD / 2,400 CDD)
- Dominant heating fuel: Natural gas — piped utility supply through state pipeline network
- Dominant cooling system: Air-source heat pump providing both heating and cooling
South Carolina licensing & permits
- License status: Statewide license required
- License board: South Carolina LLR — Residential Specialty (HVAC) license over $5,000; Mechanical Contractor for commercial (official site)
- Permit: city or county mechanical permit required
How HVAC replacement costs vary in South Carolina
State-specific code or insurance rule: South Carolina LLR sets a $5,000 residential threshold under SC Code §40-11-410 below which a Residential Specialty (HVAC) license is needed — one of the lowest residential HVAC dollar thresholds in the Southeast — and over $5,000 in commercial work requires the full Mechanical Contractor license and exam.
Cities in South Carolina
Compare HVAC replacement pricing for 13 cities across South Carolina.
Compare local HVAC replacement pricing in Charleston.
Compare local HVAC replacement pricing in Columbia.
Compare local HVAC replacement pricing in Florence.
Compare local HVAC replacement pricing in Fort Mill.
Compare local HVAC replacement pricing in Goose Creek.
Compare local HVAC replacement pricing in Greenville.
Compare local HVAC replacement pricing in Hilton Head Island.
Compare local HVAC replacement pricing in Mount Pleasant.
Compare local HVAC replacement pricing in North Charleston.
Compare local HVAC replacement pricing in Rock Hill.
Compare local HVAC replacement pricing in Spartanburg.
Compare local HVAC replacement pricing in Summerville.
Compare local HVAC replacement pricing in Sumter.
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