A-1 Certified Service, Inc.

More information about A-1 Certified Service, Inc.

A-1 Certified Service, Inc. has been proudly serving the HVAC needs of the Knoxville and Oak Ridge area since 2000. And, we owe our success to the loyalty of customers like you. By putting you first, we've gained a reputation as the go-to company for ac repair in Knoxville. In our 23 years of working on HVAC equipment, we've come to understand the quirks of almost every heat pump and ac brand. This allows us to quickly diagnose your problem without having to schedule return visit after return visit. If there's ever a situation where our services do not meet your standards, we stand by our work with a comprehensive satisfaction guarantee. With all that considered, why wouldn't you call us for your ac repair or replacement?