Air Conditioning and Heater Repairs in Knoxville, TN


Residential & Commercial

Let the service experts at A1-Certified Service Inc in Knoxville TN provide you with accurate repairs to your air conditioning and heating system. Our service experts are NATE certified and maintain their skills through continuing education to provide the highest quality service available.

Replacement & Installation

Replacing your home or business' heating and cooling system is an investment in your comfort. We have partnered with Daikin, the world leader in heating and air conditioning, to provide you with the most durable and technologically advanced system. Daikin is the only air conditioning and heating manufacturer to offer 6 to 12-years equipment replacement and 12-years parts warranty. Daikin is the only brand to offer a best in class 12-year extended labor warranty. Let the experts at A-1 Certified Service, Inc. provide the education and support you need to make the best choice for you and your home or business.
Air Conditioner Coil—AC  Service in Knoxville, TN

Preventative Maintenance

Schedule your regular maintenance to keep your current HVAC system working properly. Maintenance is important to help you save money and extend the life of your equipment. Rest assured your home will remain comfortable and operate efficiently all year around.

Heating Maintenance Checklist

  • Filter and Replace if Needed
  • Gas Valve
  • CO Level
  • Interior Compartments
  • Pilot and Burners
  • Test for Gas Leaks
  • Heat Pump
  • Calibrate Thermostat
  • Humidifier

Cooling Maintenance Checklist

  • Filters
  • Freon
  • Condenser and Evaporator Coils
  • Lubricate Necessary Parts
  • Clean and Calibrate Thermostat
We also provide a bi-annual maintenance agreement for plumbing, AC, and heating. When you are our maintenance customers, you receive 15% off repair services. Call (865) 691-5088 to schedule your service today!