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Commercial system pricing in San Antonio. 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 demand in San Antonio is year-round, but the pressure point is summer: 96°F average highs and elevated humidity mean commercial rooftop units run almost continuously for months. The local commercial market has 52 contractors with a 4.9-star average across nearly 30,000 reviews — a tight, high-quality field where 23 providers offer around-the-clock service for business emergencies.
Commercial contracts in San Antonio are priced by building size and service scope. Annual maintenance per rooftop unit runs $500–$2,000. Full-service contracts for small businesses under 5,000 square feet typically fall between $1,000–$5,000 per year, while mid-size facilities in the 5,000–25,000 square foot range run $3,500–$10,000 annually. Texas requires all commercial HVAC contractors to hold a TDLR Class A license, with no upper limit on system tonnage.
Customer accounts point to contractors built for commercial response speed. At 1st Call Plumbing & AC, multiple reviewers describe technicians arriving within 30 minutes of an emergency call — a meaningful benchmark for restaurants, medical offices, and retail operations that can't tolerate downtime. Air & Plumbing Today earns consistent praise for communication throughout large commercial replacements. Elmer's Home Services is noted for team-based execution on complex commercial jobs, with technicians coordinating in synchronized fashion rather than sequentially.
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