5 Commercial HVAC Contractors in Florence, SC
Top-Rated Commercial HVAC Contractors in Florence
Quality Service Company
“Eight reviewers detail specific repair scenarios, ranging from water heater failures to whole-home repiping. Three customers explicitly mention after-hours or…”
Cook Comfort Systems LLC
“All 69 reviews carry five-star ratings, with customers frequently praising same-day response capability, transparent pricing, and thorough post-service…”
All Commercial HVAC Contractors (5 total)
McCall's Supply, Inc. - Florence, SC
“Three of six named reviewers praise staff helpfulness, while two document frustrated exchanges involving…”
Commercial HVAC Costs in Florence
Commercial system pricing in Florence. 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 Florence, SC: What to Expect
Florence sits within the Columbia metro area, one of the hottest urban zones in the Southeast. Summer highs routinely reach 93 F, and the region logs 65 days above 90 F each year. Combine that with persistent high humidity, and the heat feels far more oppressive than the numbers suggest, creating relentless cooling demand. Five contractors presently serve the Florence market for Commercial HVAC, collectively earning a 4.5 average rating across more than a thousand client reviews.
Annual maintenance runs $500 to $2000 per rooftop unit, while small business contracts covering spaces under 5,000 square feet typically fall between $1,000 and $5,000. Mid-size buildings in the 5,000 to 25,000 square foot range generally see annual agreements from $3,500 up to $10,000. South Carolina law requires every commercial HVAC contractor to hold a Mechanical Contractor license specifically in Group 2 HVAC from the state Contracting Licensing Board before operating legally.
Cook Comfort Systems LLC draws exclusively five-star feedback, with technicians Samuel and Jacob repeatedly noted for same-day response, clear pricing, and comprehensive explanations after each job. Quality Service Company holds a 4.9 rating, with multiple reviewers citing after-hours availability and fast turnaround alongside complex repairs like water heater replacements and full repiping projects. Both firms reflect what local customers prioritize most: reliable technicians who communicate clearly and show up when needed.