Due to the lack of resources in the available labor situation, we are having to remove our 24-hour service availability to customers. Once we are able to restate 24-hour service we will change our hours of service back to 24-hour emergency service. We apologize for the inconvenience at this time, but look forward to continually servicing all of our clients with 24-hour service in the near future. Sincerely, Michele Thomas
Call for reliable Furnace replacement in Knoxville TN.
 

Knoxville

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

Knoxville

Your Best Choice for AC, Insulation, & Furnace Repair in Knoxville, TN

In the Knoxville area, A-1 Certified Service, Inc. is well known for providing exceptional furnace repair, installation, and service. The people we send out to serve you are also top notch, something you'll see in their reviews below. Everyone you deal with at our company has the goal of making sure your experience with us will be so good you'll call us every time you need help. You can feel confident working with A-1 Certified Service, Inc. because we stand behind our work and comply with all local codes. This is why, as you can see by the map and reviews below, we are rated so highly for AC, Insulation, & Furnace Repair in Knoxville, TN. Call us today at (865) 691-5088!

Local reviews for AC, Insulation, & Furnace Repair in Knoxville, TN.

Local Reviews
for Knoxville, TN

A-1 Certified Service, Inc Rated 5.0 out of 5 stars based on 111 customer reviews

Map of Knoxville, TN 37922

Love their service!




Review of A-1 Certified Service, Inc

I have used them for our HVAC and attic insulation needs. All experiences have been great! They do such a good job at explaining things & answering our questions. Their office personnel always keep you updated if schedules need to be shifted- good communication. They are also cost efficient!

KnoxvilleTN37922 35.8575-84.1025

Map of Knoxville, TN 37922

Duct Sealing




Review of A-1 Certified Service, Inc

Good job by Tommy & his team.

KnoxvilleTN37922 35.905-84.095

Map of Knoxville, TN 37923

Juan is a great technician for A-1




Review of A-1 Certified Service, Inc

Juan came today to service my Dakin unit. He did a very good job and was very informative.

KnoxvilleTN37923 35.8975-84.055

Map of Knoxville, TN 37922

Great service!




Review of A-1 Certified Service, Inc

Juan was a pleasure and explained everything he was doing as he serviced our hvac systems.

KnoxvilleTN37922 35.88-84.1175

Map of Knoxville, TN 37919

A-1 Certified has GREAT Employees




Review of A-1 Certified Service, Inc

KnoxvilleTN37919 35.895-84.03

Map of Knoxville, TN 37923

Service Check




Review of A-1 Certified Service, Inc

Juan was so nice! I could not be more pleased with his thorough work and his friendly demeanor.

KnoxvilleTN37923 35.8975-84.0575

Map of Knoxville, TN 37931

Great Service!




Review of A-1 Certified Service, Inc

The service tech Juan was polite and professional. It was an overall good experience.

KnoxvilleTN37931 35.975-84.1125

Map of Knoxville, TN 37923

Service review




Review of A-1 Certified Service, Inc

Very good service

KnoxvilleTN37923 35.9625-84.05

Map of Knoxville, TN 37931

Great service




Review of A-1 Certified Service, Inc

Very friendly. Answered all my questions and was knowledgeable.

KnoxvilleTN37931 35.9825-84.115

Map of Knoxville, TN 37931

Great technician




Review of A-1 Certified Service, Inc

KnoxvilleTN37931 35.99-84.125

Professional service tech




Review of A-1 Certified Service, Inc

Great experience

KnoxvilleTN37917 36.0025-83.92

Very professional, thorough service




Review of A-1 Certified Service, Inc

Very polite, discussed any issues he found before proceeding with the work.

KnoxvilleTN37938 36.1025-83.9275

Professional & Courteous




Review of A-1 Certified Service, Inc

Great experience

KnoxvilleTN37923 35.9-84.0575

Awesome Tech




Review of A-1 Certified Service, Inc

Jason is the best worked until the job was done!

KnoxvilleTN37918 36.0425-83.995

Juan was great and professional, great service




Review of A-1 Certified Service, Inc

We’ve been with you all since 2004. You have gone through changes, but remain very efficient. Thanks to Madison for the follow up!

KnoxvilleTN37921 35.99-84.0125

Awesome service!




Review of A-1 Certified Service, Inc

A-1 has always given true reliable service, keeps my old Rheem going strong. Thanks Jason for always being friendly kind and respectful of our home. God Bless you.

KnoxvilleTN37932 35.9375-84.125

Great Serive




Review of A-1 Certified Service, Inc

Great service as always

KnoxvilleTN37918 36.0425-83.995

Amazing service




Review of A-1 Certified Service, Inc

Excelente

KnoxvilleTN37924 36.0275-83.785

Great service!




Review of A-1 Certified Service, Inc

Very pleased with A-1 Certified! Always courteous and on time. I know I can trust their quality of work and honesty! #1 in this area!

KnoxvilleTN37931 35.9525-84.0725

Great service




Review of A-1 Certified Service, Inc

Tech very helpful and professional

KnoxvilleTN37931 35.9525-84.0725

Knowledgeable and professional service, quick scheduling, price.




Review of A-1 Certified Service, Inc

Jason checked our HVAC unit head to toe, diagnosed the issues, informed us of our options and completed the repairs in one visit. Worth every penny and greatly appreciated!

KnoxvilleTN37938 36.0975-83.935

Great service




Review of A-1 Certified Service, Inc

Jason did a really good job and was prompt in his work. He also discussed that based on age of my unit it is still working well. He pointed out things to listen and watch for yo ensure it keeps working h well.

KnoxvilleTN37920 35.8875-83.9125

Excellent service, priced for homeowner to be able to maintain their system.




Review of A-1 Certified Service, Inc

Timely, conscientious technician, conveys his findings well.

KnoxvilleTN37931 36-84.115

Honest and Knowledgeable




Review of A-1 Certified Service, Inc

Happy with their service and really enjoy Jason. He knows how to fix things and was upfront and honest with me. Exactly what you want in an A/C repairman.

KnoxvilleTN37931 36-84.1125

Expert service




Review of A-1 Certified Service, Inc

As usual, no complaint. Everything was done thoroughly

KnoxvilleTN37931 35.9775-84.1175

Jason was great!




Review of A-1 Certified Service, Inc

Jason phoned ab it 15 minutes prior to arriving & arrived on time, introduced himself and wore his blue shoe coverings while in our home. He proceeded to inspect our units and when he was done, he explained what he had done & then had me sign 2 forms he had used to do his inspections. Jason was very professional, courteous & got right to work.

KnoxvilleTN37931 35.9875-84.1025

On time and great service




Review of A-1 Certified Service, Inc

They technician was prompt courteous and did a good job with both of our heating and cooling units.

KnoxvilleTN37921 35.985-83.99

Friendly & On Time




Review of A-1 Certified Service, Inc

Service was great - technician was on time and got the work done in a timely manner so I could go about my day.

KnoxvilleTN37932 35.9225-84.2225

Great service




Review of A-1 Certified Service, Inc

Juan was awesome very helpful.

KnoxvilleTN37923 35.9325-84.105

Homeowner




Review of A-1 Certified Service, Inc

KnoxvilleTN37934 35.8625-84.205

Great service, on time




Review of A-1 Certified Service, Inc

Called ahead to let me know he was on way, very courteous, let me know how things looked.

KnoxvilleTN37923 35.93-84.1125

Great service




Review of A-1 Certified Service, Inc

KnoxvilleTN37919 35.9325-83.9725

Prompt, respectful, great service




Review of A-1 Certified Service, Inc

KnoxvilleTN37934 35.8675-84.16

Good Communications




Review of A-1 Certified Service, Inc

Notified prior to arrival time, knowledgeable on the system and repairs.

KnoxvilleTN37931 35.9575-84.1175

Exceptional friendly service




Review of A-1 Certified Service, Inc

A-1 provided me with quality and friendly service and answered any questions I had

KnoxvilleTN37931 35.9675-84.21

Amazing!!!




Review of A-1 Certified Service, Inc

Ash was amazing and so was her helper. Very professional and went over everything in detail so I knew what the best options were. Great customer service and was able to schedule a follow-up and email a quote before leaving. Would highly recommend! Thanks for such a great experience!

KnoxvilleTN37931 35.9825-84.1275

Very friendly, good communication




Review of A-1 Certified Service, Inc

Ash did a great job letting me know she was on her way and in how my units were doing.

KnoxvilleTN37931 35.995-84.105

Just what was needed




Review of A-1 Certified Service, Inc

KnoxvilleTN37922 35.8325-84.185

Thanks for the Check up




Review of A-1 Certified Service, Inc

KnoxvilleTN37922 35.8325-84.185

Great service




Review of A-1 Certified Service, Inc

Arrived as scheduled. Technician was very friendly &completed task quickly & efficiently.

KnoxvilleTN37918 36.04-83.95

Ash was amazing! Couldn’t have asked for better service! AMAZING!!




Review of A-1 Certified Service, Inc

KnoxvilleTN37922 35.875-84.085

Prompt service




Review of A-1 Certified Service, Inc

All aspects of service were done in a timely manner. Professional. Guys put on masks when around me and in house

KnoxvilleTN37932 35.935-84.14

Ash was Awesome!




Review of A-1 Certified Service, Inc

Great Service!

KnoxvilleTN37920 35.96-83.8875

great service




Review of A-1 Certified Service, Inc

She was very friendly and knowledgeable

KnoxvilleTN37922 35.8725-84.0675

Great service




Review of A-1 Certified Service, Inc

She called before she arrived and when she arrived told me everything she did

KnoxvilleTN37917 36-83.935

Tommy M.

Tommy M.

Mini slpit

Near Lynnview Dr, Knoxville, TN 37918
Knoxville, TN - Mini slpit
Jason S.

Jason S.

Near E Walnut Grove Dr, Knoxville, TN 37918
Jason S.

Jason S.

Preventative maintenance

Near Overview Dr, Knoxville, TN 37922
Knoxville, TN - Preventative maintenance
Kris K.

Kris K.

Installation Daikin air conditioner unit

Near Yorkland Way, Knoxville, TN 37923
Knoxville, TN - Installation Daikin air conditioner unit
Kris K.

Kris K.

Installation Daikin air conditioner unit

Near Yorkland Way, Knoxville, TN 37923
Knoxville, TN - Installation Daikin air conditioner unit
Kris K.

Kris K.

Installation Daikin air conditioner unit

Near Yorkland Way, Knoxville, TN 37923
Knoxville, TN - Installation Daikin air conditioner unit
Kris K.

Kris K.

Installation Daikin air conditioner unit

Near Yorkland Way, Knoxville, TN 37923
Knoxville, TN - Installation Daikin air conditioner unit
Juan M.

Juan M.

Performing maintenance on Amana AC unit

Near Creekhead Dr, Knoxville, TN 37909
Knoxville, TN - Performing maintenance on Amana AC unit
Juan M.

Juan M.

Performing maintenance on Amana AC unit

Near Creekhead Dr, Knoxville, TN 37909
Knoxville, TN - Performing maintenance on Amana AC unit
Juan M.

Juan M.

Performing maintenance on Amana AC unit

Near Creekhead Dr, Knoxville, TN 37909
Knoxville, TN - Performing maintenance on Amana AC unit
Juan M.

Juan M.

Performing maintenance on Amana AC unit

Near Creekhead Dr, Knoxville, TN 37909
Knoxville, TN - Performing maintenance on Amana AC unit
Juan M.

Juan M.

Performing maintenance on a trane package

Near Clearwater Dr, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a trane package
Juan M.

Juan M.

Performing maintenance on a trane package

Near Clearwater Dr, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a trane package
Juan M.

Juan M.

Performing maintenance on a trane package

Near Clearwater Dr, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a trane package
Juan M.

Juan M.

Performing maintenance on a trane package

Near Clearwater Dr, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a trane package
Juan M.

Juan M.

Performing maintenance on a Lennox Heat pump

Near Seattle Slew Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a  Lennox Heat pump
Juan M.

Juan M.

Performing maintenance on a Lennox Heat pump

Near Seattle Slew Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a  Lennox Heat pump
Juan M.

Juan M.

Performing maintenance on a Lennox Heat pump

Near Seattle Slew Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a  Lennox Heat pump
Juan M.

Juan M.

Performing maintenance on a Lennox Heat pump

Near Seattle Slew Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a  Lennox Heat pump
Juan M.

Juan M.

Performing maintenance on Goodman package units.

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Goodman package units.
Juan M.

Juan M.

Performing maintenance on Goodman package units.

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Goodman package units.
Juan M.

Juan M.

Performing maintenance on Goodman package units.

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Goodman package units.
Juan M.

Juan M.

Performing maintenance on Goodman package units.

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Goodman package units.
Juan M.

Juan M.

Performing maintenance on Amana package heat pump

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Amana package heat pump
Juan M.

Juan M.

Performing maintenance on Amana package heat pump

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Amana package heat pump
Juan M.

Juan M.

Performing maintenance on Amana package heat pump

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Amana package heat pump
Juan M.

Juan M.

Performing maintenance on Amana package heat pump

Near Bucknell Dr, Knoxville, TN 37938
Knoxville, TN - Performing maintenance on Amana package heat pump
Juan M.

Juan M.

Performing maintenance on a Daikin Heat Pump

Near Oxbow Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin Heat Pump
Juan M.

Juan M.

Performing maintenance on a Daikin Heat Pump

Near Oxbow Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin Heat Pump
Juan M.

Juan M.

Performing maintenance on a Daikin Heat Pump

Near Oxbow Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin Heat Pump
Juan M.

Juan M.

Performing maintenance on a Daikin Heat Pump

Near Oxbow Ln, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin Heat Pump
Juan M.

Juan M.

Performing maintenance on a Daikin FIT System

Near Gothic Manor Way, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a  Daikin FIT System
Juan M.

Juan M.

Performing maintenance on a Daikin FIT System

Near Gothic Manor Way, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a  Daikin FIT System
Juan M.

Juan M.

Performing maintenance on a Daikin FIT System

Near Gothic Manor Way, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a  Daikin FIT System
Juan M.

Juan M.

Performing maintenance on a Daikin FIT System

Near Gothic Manor Way, Knoxville, TN 37923
Knoxville, TN - Performing maintenance on a  Daikin FIT System
Juan M.

Juan M.

Performing maintenance on a Coleman package unit

Near Walrock Ln, Knoxville, TN 37921
Knoxville, TN - Performing maintenance on a  Coleman package unit
Juan M.

Juan M.

Performing maintenance on a Coleman package unit

Near Walrock Ln, Knoxville, TN 37921
Knoxville, TN - Performing maintenance on a  Coleman package unit
Juan M.

Juan M.

Performing maintenance on a Coleman package unit

Near Walrock Ln, Knoxville, TN 37921
Knoxville, TN - Performing maintenance on a  Coleman package unit
Juan M.

Juan M.

Performing maintenance on a Coleman package unit

Near Walrock Ln, Knoxville, TN 37921
Knoxville, TN - Performing maintenance on a  Coleman package unit
Juan M.

Juan M.

Performing maintenance on a Daikin AC

Near Glastonbury Rd, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin AC
Juan M.

Juan M.

Performing maintenance on a Daikin AC

Near Glastonbury Rd, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin AC
Juan M.

Juan M.

Performing maintenance on a Daikin AC

Near Glastonbury Rd, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin AC
Juan M.

Juan M.

Performing maintenance on a Daikin AC

Near Glastonbury Rd, Knoxville, TN 37931
Knoxville, TN - Performing maintenance on a Daikin AC
Juan M.

Juan M.

Performing maintenance on a Goodman and Amana AC units

Near Loma Dr, Knoxville, TN 37922
Knoxville, TN - Performing maintenance on a Goodman and Amana AC units
Juan M.

Juan M.

Performing maintenance on a Goodman and Amana AC units

Near Loma Dr, Knoxville, TN 37922
Knoxville, TN - Performing maintenance on a Goodman and Amana AC units
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 Heat Pump repair service provided in Farragut TN.
 
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 Heat Pump 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  |  8:00am - 4:30pm
Saturday and Sunday  |  Closed
Best HVAC & Furnace Repair in Knoxville
2511 Byington Solway Rd.
Knoxville, TN 37931
(865) 691-5088
M-F  |  8:00am - 4:30pm
24/7 Emergency Service Available
 
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