7 Commercial HVAC Contractors in St. George, UT
Top-Rated Commercial HVAC Contractors in St. George
Triple-T Heating & Cooling, LLC
“Five of six sampled reviewers specifically mention same-day or next-day service response times, with technicians arriving within stated windows. Three reviews…”
Five Star Air Conditioning, Heating & Plumbing
“All reviewers give 5-star ratings, with multiple customers specifically praising same-day or next-morning arrival, transparent pricing, and technicians who…”
All Commercial HVAC Contractors (7 total)
L&L Mechanical Contractors
“All 5 reviewers award 5 stars, with 4 specifically mentioning emergency responsiveness including nights and…”
First Service Mechanical
“All four reviews award five stars, with client feedback highlighting professional technician interactions and…”
Cold-Tech Refrigeration
“The single five-star review describes years of reliable service in Salt Lake City and equally satisfactory…”
Commercial HVAC Costs in St. George
Commercial system pricing in St. George. 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 | $540 | $1,080 | $2,160 |
Annual contract (small business, < 5K sqft) | $1,080 | $2,700 | $5,400 |
Annual contract (mid-size, 5K-25K sqft) | $3,780 | $7,020 | $10,800 |
Basic rooftop unit replacement | $7,020 | $10,800 | $16,200 |
Small business full system (< 5K sqft) | $8,640 | $17,280 | $27,000 |
Mid-size building (5K-25K sqft) | $27,000 | $54,000 | $86,400 |
Operating cost (per sqft annually) Utility + maintenance | $2 | $4 | $6 |
Prices reflect hot desert metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.