9 Commercial HVAC Contractors in Charleston, SC
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Top-Rated Commercial HVAC Contractors in Charleston
Anchor Heating and Air LLC
“All five named reviewers awarded 5-star ratings, with three specifically mentioning same-day or within-one-hour response times. One four-star review cited…”
Alexander Heating & Cooling
“All 406 reviews award five stars, with Chris named in every reviewed testimonial. Customers repeatedly mention same-day emergency service, fair upfront…”
All Commercial HVAC Contractors (9 total)
Myatt Air Conditioning LLC
“183 reviews averaging 4.8 stars; every reviewer who mentions a technician names either Bernie or Harold.…”
Anchor Heating and Air Daniel Island
“All 113 reviewers awarded 5-star ratings, with multiple customers specifically naming technicians Justin,…”
East Cooper
“All five-star reviews describe exceptional response times and named technicians, with three customers…”
Air Duct Cleaning Charleston
“Twenty-eight of 31 reviewers awarded five stars, with Norman specifically named in six positive reviews as…”
Wicked cool hvac
“Of 24 reviews, positive feedback consistently mentions same-day arrival during heat emergencies and…”
Commercial HVAC Costs in Charleston
Commercial system pricing in Charleston. Actual costs vary significantly by building size and system type. Request a site-specific quote.
| Service | Low | Average | High |
|---|---|---|---|
Annual maintenance (per rooftop unit) Quarterly inspections | $500 | $1,000 | $2,000 |
Annual contract (small business, < 5K sqft) | $1,000 | $2,500 | $5,000 |
Annual contract (mid-size, 5K-25K sqft) | $3,500 | $6,500 | $10,000 |
Basic rooftop unit replacement | $6,500 | $10,000 | $15,000 |
Small business full system (< 5K sqft) | $8,000 | $16,000 | $25,000 |
Mid-size building (5K-25K sqft) | $25,000 | $50,000 | $80,000 |
Operating cost (per sqft annually) Utility + maintenance | $2 | $4 | $6 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Commercial HVAC in Charleston, SC: What to Expect
Charleston’s coastal Lowcountry climate — long, humid summers with average highs near 89°F and 78% humidity — makes year-round moisture control and high-capacity cooling central to building comfort and operations. That environment drives steady demand for commercial-hvac Charleston services; nine contractors serve the area with an average 4.3-star rating across 2,440 reviews and two firms offering 24/7 response.
The dataset supplied didn’t include usable top-cost numbers, so specific dollar ranges can’t be quoted here. Commercial projects in Charleston commonly span HVAC system replacements, rooftop unit retrofits, and large-scale dehumidification additions; costs vary by building size, required corrosion-resistant materials for salt-air exposure, and whether work involves emergency service or planned replacement. South Carolina requires a Mechanical Contractor (Group 2 — HVAC) license from the Contractor’s Licensing Board for businesses performing commercial HVAC work.
Customer highlight fields were not provided, so patterns from local reviews must be inferred from market conditions: prioritize firms that document corrosion mitigation, routine preventive maintenance, and parts availability for coastal-grade equipment. Two contractors advertise 24/7 availability — a useful factor for operations that cannot tolerate downtime. Check recent review trends, warranty terms, and license verification before hiring.
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All HVAC Contractors in Charleston, SC
Complete directory of 42 contractors — browse alphabetically
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All HVAC Contractors in Charleston, SC
Complete directory of 42 contractors — browse alphabetically