In the Knoxville area, A-1 Certified Service, Inc. is well known for providing exceptional ac repair, installation, and service. The people we send out to serve you are also top notch, something you'll see in their reviews below. Everyone you deal with at our company has the goal of making sure your experience with us will be so good you'll call us every time you need help. You can feel confident working with A-1 Certified Service, Inc. because we stand behind our work and comply with all local codes. This is why, as you can see by the map and reviews below, we are rated so highly for AC, Insulation, & Furnace Repair in Maryville, TN. Call us today at (865) 691-5088!
The technicians were polite and quick. No issues with the insulation install.
Awesome crew. Andy and all his crew were so polite, friendly and took time to explain every process and answer all my questions. Plus they were especially friendly to my nosey dogs. Thank you everyone from A-1, y’all are my Angels
Very nice people, quick but efficient
comfortable and pleasant also professional
Great Service... Professional... on-time... Good Communication
A1 to the rescue! Josh and his team were great to work with. Josh came out and told me what I needed then had his team out to fix the issue same day! Great people, great prices, and great service!
Matt was super knowledgeable and friendly. Great service and fix issue right away.
Installation of Daikin Cirra 2 zone Ductless Mini Split 18k BTU
Installation of Goodman Gas 90% Furnace HVAC system
Completed maintenance on mini split
Home performance air seal and attic blow
Completed maintenance on Coleman Heat pump
Working on a one system one time pm Angie's list special
Working on a one system one time pm Angie's list special
Working on a one system one time pm Angie's list special
Working on a one system one time pm Angie's list special
Swapped out out door mini split unit
Swapped out out door mini split unit
Swapped out out door mini split unit
Swapped out out door mini split unit
Two head units and condenser minisplit