One Hour Heating & Air Conditioning® of Knoxville is a leading HVAC and refrigeration service and replacement provider in Eastern Tennessee. We proudly provide a full range of refrigeration services in Knoxville and throughout the surrounding areas.

We value our customers and understand that time can be of the essence when it comes to refrigeration. We pride ourselves in providing the highest level of service, as well as in hiring and retaining exceptional talent in order to provide our customers with trained and experienced technicians.

We provide a wide range of refrigeration services, including but not limited to:

  • Walk-in cooler repair and maintenance
  • Walk-in freezer repair and maintenance

One Hour Heating & Air Conditioning® of Knoxville also offers very attractive maintenance plans that can be customized to meet your needs.

Contact us today at (865) 344-2513 for a free, in-person estimate!


Regular maintenance ensures that your refrigeration system is operating at peak efficiency and optimal performance. At One Hour Heating & Air Conditioning® of Knoxville, we offer routine refrigeration inspection and tune-up systems for customers throughout the Knoxville region.

Our typical refrigeration tune-up services include:

  • Freon leak detection
  • Freon leak repair
  • Thermostat replacement
  • Check temperature
  • Compressor repair/replace
  • Condenser repair/replace
  • Refrigerant recovery/disposal
  • Refrigerant leak check
  • Refrigerant leak repair
  • Evaporator coil repair/replace
  • Evaporator fan repair
  • Condenser fan repair
  • Nitrogen leak check
  • Pressure control repair/replace
  • Defrosting frozen coils
  • Service/repair defrost heaters
  • Fan motor service/replace
  • Condenser coil cleaning
  • Refrigeration maintenance
  • Refrigeration repair
  • Reach-in cooler repair
  • Reach-in freezer repair
  • Beverage chiller system repair
  • Ice machine service/repair
  • Refrigerated warehouse service

Our refrigeration technicians have years of experience and undergo extensive training, so you can rest assured that you’re always receiving the highest level of quality workmanship and customer care. We even stand behind everything we do with our 100% customer satisfaction guarantee and a lifetime warranty on parts and labor!

Schedule your next Knoxville refrigeration service with One Hour Heating & Air Conditioning® of Knoxville; call (865) 344-2513 or submit an online contact form today.

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