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About Us | Reliable Heating and Air


Reliable Heating & Air Conditioning Co. Inc. was founded in June of 1971. From its original staff of three,  Reliable has grown to become Chattanooga’s largest Residential HVAC Company, a respected Commercial service provider and winner of the “Small Business of the Year” for the State of Tennessee. As a second generation family-owned business, Reliable offers nearly a half-century of service experience to our customers. A third Generation of Cornell’s is being trained to carry on the family tradition of Customer Delight.


The offices, manufacturing facility, Training facility and Showroom are centrally located in historic North Chattanooga, just minutes from downtown. Our shop is fully equipped to custom make ductwork for any size job, and our Showroom displays the latest in Home Comfort HVAC and Air Quality products. We operate a drug free environment.


A company’s success in the HVAC industry is dependent on the Service it provides. A good service experience drives every aspect of our business. That is why Reliable maintains the largest Factory Trained Service Team in the area. Our award winning Technicians are on call to provide 24 hour Emergency Service, backed by a friendly office staff whose sole purpose is to provide the ultimate Service Experience.

  • Planned Service Agreements are the lifeblood of our business, and allow us to find small problems before they become costly ones. All Service Agreement holders are assured of Priority Service and discounts on repairs. With a Reliable Planned Service Agreement complete coverage is guaranteed.
  • System Design and Replacement—Is your old system worn out or costing you a fortune to operate? We offer a full line of dependable, energy-efficient Maytag and Carrier brand products and accessories.
  • Gas Piping and Electrical—Our staff of Master Gas Fitters and Electricians are on hand to take care of any need that may arise—keeping you safe and comfortable
  • Whole House Standby Generators—In 1996 we began selling and installing Auto Standby Generators, and have grown to become the area’s leader in Turn-Key Generator Installation and Service


Small Businessman of the Year for Chattanooga and the State of Tennessee

Better Business Bureau Torch Award Winner for Business Ethics

Chattanooga’s Best of the Best 7-time Award winner

Carrier Distinguished Dealer


For nearly half a Century our goal has been to give each customer a superior service experience. From start to finish we strive to over deliver in every facet of each transaction.

Solving Problems

We take a holistic approach to solving home comfort issues by studying and analyzing problems from the bottom up-not just replacing parts and equipment like an assembly line, but truly fix the problem and over deliver on the transaction. That’s why We are Chattanooga’s Heroes of Home Comfort.


Contact Us

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Reliable Heating & Air Conditioning Inc.
404 Spears Ave
Chattanooga, TN 37405
Contact The President at [email protected]  

Financing Available

© 2024 Reliable Heating and Air Conditioning Co., Inc.