24/7 Emergency Service!

Now Hiring: Service Technicians and Installers. Offering a $1,000 Sign-on Bonus!
Click here to apply now!

Tennessee Small Business
of the Year Winner!

Best of The Best Chattanooga

11 x Winner of People’s Choice
Award – Best HVAC Service

Torch Award Winner for
Marketplace Ethics!

Reliable Has Whole-House Air Purifiers IN STOCK. Kills Viruses, Bacteria and Mold Spores!
Call (423) 266-2424 For More Info

5 Star Customer Testimonials

five stars

“Prompt and outstanding service at an affordable price!”

– Heather Rodgers

“Excellent customer service!”

– Tony Shaw

“EXCELLENT COMPANY!! From start to finish, they went the extra mile.”

– Lee Brittian

“My technician arrived within two hours of my phone call.”

– Shanna Roberts Sarr

“The Technicians that worked on our unit did an Outstanding Job.”

– J. Stewart

five stars

We Service All Brands

A Few Of the Brands We Sell


Why Choose Reliable Heating and Air?


Since 1972 homeowners have chosen Reliable for fast, efficient and friendly AC Repair & Service. We have the largest residential heating and AC service team in the Chattanooga area with fully-stocked vans so you don’t have to wait for repairs. Our technicians are experienced, knowledgeable and drug-free. We only hire the best of the best HVAC technicians!

Our Commitment to the Customer

Our Customer First commitment is pervasive throughout the entire Company. Customer Satisfaction has been replaced with Customer Delight. From the cleanliness of our vehicles to the politeness of our office staff, service and sales personnel, we want every interaction to be a pleasant and memorable one. When you call Reliable you will speak to a helpful human voice that will direct you to the proper personnel—no frustrating voicemail here.

Full Service HVAC Solutions

We provide the full complement of HVAC services

  • We Service all brands
  • Replacement units by Maytag and Carrier
  • Generac Whole House Generator sales and service
  • Duct Cleaning and Indoor Air Quality products by Honeywell and Aprilaire
  • Mitsubishi Ductless Diamond Dealer
  • Planned Service Agreements for any budget
  • Custom Duct Fabrication
  • Gas piping
  • Electrical

We Offer Flexible Financing Options!

For nearly 50 years we have been the “Heroes of Home Comfort”, finding solutions to your HVAC problems where others cannot. With our Service Guarantee and 24-Hour Emergency Service, we look forward to the opportunity to be of service.

– Clayton and David Cornell


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.