Top 10 HVAC Companies in Charleston, SC
The best HVAC companies in Charleston, SC for 2026 include Holy City Heating & Air, LLC (4.9★), Anchor Heating and Air LLC (5★), Carolina Climate Control (4.9★). All are licensed, insured, and highly rated for AC repair, heating service, and HVAC installation.
Holy City Heating & Air, LLC
Anchor Heating and Air LLC
Carolina Climate Control
M&B Heating and Air
Fix-it 24/7 Air Conditioning, Plumbing & Heating
Carolina Custom Air
Blanton & Sons - Heating, Cooling and Plumbing
Pardee Service Experts
Carney & Son 72 Degrees
AGL Heating & Air
About These Listings
Provider details on this page come from public business information and each provider's own website. Inclusion here is not an endorsement, and the order shown is not a guarantee of quality. Before hiring, verify licensing, insurance, and pricing directly with the company — request written quotes and confirm credentials with your state or local licensing board.
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Frequently Asked Questions
How much does HVAC repair cost in Charleston, SC?
HVAC repair in Charleston typically costs $150-$450 for common issues like refrigerant recharge, thermostat replacement, or capacitor repair. AC compressor replacement runs $1,200-$2,800. Full system replacement costs $4,500-$12,000 depending on size and efficiency rating.
How often should I service my HVAC in Charleston?
HVAC professionals in Charleston recommend servicing twice a year — spring for AC and fall for heating. Regular maintenance prevents breakdowns during extreme weather and can extend your system's lifespan by 5-10 years.
Do Charleston HVAC companies offer emergency service?
Yes, most top-rated HVAC companies in Charleston offer 24/7 emergency service for no-heat, no-AC, and refrigerant leak situations. Response times are typically 60-90 minutes. Emergency premiums add $100-$250 to standard rates.
What size HVAC system do I need for my Charleston home?
Most homes in Charleston need 2.5 to 5 tons of cooling capacity. A rough guide: 1 ton per 400-600 sq ft depending on climate, insulation, and sun exposure. Always get a Manual J load calculation from a licensed HVAC contractor for accurate sizing.