Call for reliable Furnace replacement in Knoxville TN.
 

Who We Are

See what makes A-1 Certified Service, Inc. your number one choice for Plumbing repair in Oak Ridge TN.
Knoxville, Tennessee

Who We Are

The Trusted HVAC Contractors in Knoxville, TN

Providing Quality Service for Your Comfort for Over 60 Years

For the past 60 years, the experts at A1-Certified Service Inc in Knoxville TN have given our customers comfort and peace of mind.

We began in the late 1960's when cooling your home was in its infancy. Tom Thomas opened his doors to provide comfort to the homeowners in Central Florida. In the early 1990's, Tom moved to Knoxville, TN, and we have been serving the Knoxville and surrounding communities for over 20 years.

In 2012, Tom released the reigns of A-1 Certified Service, Inc. to his daughter, Michele Thomas. Michele is continuing the legacy of providing the highest quality of air conditioning, heating, and plumbing and to ensure each customer receives the comfort they deserve.

Today, A-1 Certified Service, Inc. is driven to provide you the best in class in Air Conditioning, Heating, Air Distribution, Insulation, Home Performance (The philosophy and science based on the premise that homes should be safe, healthy, comfortable, durable, and efficient), and Full-Service Plumbing. A-1 Certified Service, Inc. understands that your home or business' comfort and energy efficiency is connected and should be treated as an interconnecting system where all aspects affect each other.

Our Commitment to Our Community

A-1 Certified Service, Inc. is committed to serving our community. We support our community through donations and volunteering to our local schools, charities, and Habitat For Humanity. We are proud partners with Knoxville's Community Action Committee (CAC), Knoxville's KEEM (Knoxville Extreme Energy Makeover) and the Oak Ridge's MOREE (Make Oak Ridge Energy Efficient) programs.

For Furnace in Knoxville TN, we accept all major credit cards.
 
We accept cash for Heating repair service provided in Oak Ridge TN.
We accept check for Plumbing repair service provided in Farragut TN.
 
24 Hour Emergency Service Available
Call us today  •  (865) 691-5088  •  or  •  Fill Out Our Online Form
We accept cash for Heating repair service provided in Oak Ridge TN.
For Furnace in Knoxville TN, we accept most major credit cards.
We accept check for Plumbing repair service provided in Farragut TN.
24 Hour Emergency Service Available
A-1 Certified Service, Inc. works with Trane Furnace products in Oak Ridge TN.
Contact Information
 
2511 Byington Solway Rd.
Knoxville, TN 37931
(865) 691-5088
Monday - Friday  |  7:30am - 5:00pm
24 Hour Emergency Service Available
2511 Byington Solway Rd.
Knoxville, TN 37931
(865) 691-5088
M-F  |  7:30am - 5:00pm
24/7 Emergency Service Available
 
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Get a Quote   |   Maintenance   |   Guarantees
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