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Knoxville HVAC Company

Trusted HVAC Repair & Installation in Knoxville

When you need heating or air conditioning services, there’s only one team you can trust: One Hour Heating & Air Conditioning® of Knoxville. For over a decade, our team has been delivering efficient and high-quality Knoxville HVAC services to homeowners and businesses. We’ve developed strong relationships with our clients because we put their needs first.

We care about your comfort, so we back up our work with a 100% satisfaction guarantee. Our Knoxville HVAC technicians are highly skilled, licensed, and qualified to handle heating and cooling projects of all sizes, and all parts and labor are guaranteed for up to two years from the service date.

Our Knoxville HVAC Services Are Reliable

We always ensure to install, repair, design, and service HVAC systems and parts in strict accordance with the highest industry standards in the country. Our team adheres to a strict code of ethics that includes offering a high level of service, treating customers with honesty and respect, and offering fair prices upfront. We respect your time, so we guarantee on-time arrivals. Whether you need Knoxville AC repair during a sweltering summer day or want to make sure your heater is ready for cold weather, call our team now! We offer 24/7 emergency HVAC service to be there when you need us.

Always On Time... Or You Don't
Pay A Dime

We Have A Reputation For Being Punctual, Friendly, and Knowledgeable

    “What a great service department! The service technician, Chris, did an excellent job! He was very professional and thorough. He took his time to do it RIGHT. He explained everything in detail about ...”

    “His professional knowledge and courtesy were appreciated.”

    - Florence V.

    “Always great service at a great price. I keep my One Hour installed units in shape with Service Agreements.”

    - Fred J.

    “The tech was very good and did everything necessary to keep the unit in top running condition. Very professional. I am extremely pleased with this companies service.”

    - Joe C.

    “Service on my air conditioner units has always been done thoroughly, and techs take the time to answer any questions and make recommendations.”

    - Bruce S.

    “These people will do everything they can to fix your unit, no matter how old. The tech was efficient and resolved the problem promptly!”

    - Grace R.
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  • Areas We Serve
    • Friendsville
    • Knoxville
    • Lenoir City
    • Louisville
    • Maryville
  • Zip Codes We Serve
We may service additional communities. Please contact us for more information.

Here for You Around the Clock

Our Comfort Specialists are available to help, no matter the time of day. If you're in need of emergency services, we've got you covered 24/7.

Part of the Authority Brands Family

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