A-1 Certified Service specializes in providing the residents of Knoxville with quality heating and air conditioning services, we are your go-to company for a variety of other in-home needs as well. Our team of professionals is highly trained in many home repair and service procedures. We will do whatever it takes to ensure that your home is running as optimally as possible. Call us today to see what A-1 can do for you!

Abbott

NJM Group

Jacobs

Kiewit

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