186 Commercial HVAC Contractors in San Antonio, TX

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.