Best HVAC 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.