63 AC Replacement Contractors in Huntsville, AL

Huntsville averages 55 days above 90°F with humid Tennessee Valley summers and cold winters dipping to 31°F. AC replacement decisions here carry weight on both ends — cooling loads are significant May through September, and winter heating demand means the overall HVAC system needs to perform across a full seasonal calendar. Nineteen contractors serve the market, averaging a strong 4.9 stars from 3,707 reviews, with six offering 24/7 availability.

Replacement costs follow regional norms for the Southeast: a 3-ton central AC installation runs $5,500–$11,000, a 4-ton mid-efficiency system $7,500–$14,000, and a 5-ton high-efficiency unit $9,500–$16,000. Alabama requires the HACR Contractor License (Heating, Air Conditioning, and Refrigeration) from the Alabama Board of Heating, Air Conditioning, and Refrigeration Contractors — confirm that license is current and active before signing any replacement agreement.

Thomas Service Company carries 1,012 reviews at 4.8 stars from customers who rely on the company for both HVAC and plumbing — Jonathan and Dee are named for complex, well-executed whole-home projects. Garrison & Garrison's 623 reviews highlight consistent professionalism and transparent pricing, with technicians praised for doing the job correctly even in difficult installation conditions. Cooper Climate Control maintains a perfect 5.0 rating across 487 reviews, with customers describing seamless replacement experiences built on responsive communication and thorough technical execution.