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 ac 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 Knoxville, TN
Powered by Nearby NowProfessional service tech
Mark - Knoxville, TN
Great experience
Very professional, thorough service
Sharon - Knoxville, TN
Very polite, discussed any issues he found before proceeding with the work.
Professional & Courteous
Julie - Knoxville, TN
Great experience
Awesome Tech
Wyatt - Knoxville, TN
Jason is the best worked until the job was done!
Juan was great and professional, great service
Karen - Knoxville, TN
We’ve been with you all since 2004. You have gone through changes, but remain very efficient. Thanks to Madison for the follow up!
Awesome service!
Patricia - Knoxville, TN
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.
Great Serive
Joe - Knoxville, TN
Great service as always
Amazing service
Rosaura - Knoxville, TN
Excelente
Great service!
Pat - Knoxville, TN
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!
Great service
Joy - Knoxville, TN
Tech very helpful and professional
Knowledgeable and professional service, quick scheduling, price.
Brian - Knoxville, TN
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!
Great service
Taylor's - Knoxville, TN
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.
Excellent service, priced for homeowner to be able to maintain their system.
Tedra - Knoxville, TN
Timely, conscientious technician, conveys his findings well.
Honest and Knowledgeable
Mark - Knoxville, TN
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.
Expert service
Riley - Knoxville, TN
As usual, no complaint. Everything was done thoroughly
Jason was great!
Jamie - Knoxville, TN
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.
On time and great service
Yvonne - Knoxville, TN
They technician was prompt courteous and did a good job with both of our heating and cooling units.
Friendly & On Time
Cheryl - Knoxville, TN
Service was great - technician was on time and got the work done in a timely manner so I could go about my day.
Great service
David - Knoxville, TN
Juan was awesome very helpful.
Homeowner
Glenn - Knoxville, TN
Great service, on time
Cheryl - Knoxville, TN
Called ahead to let me know he was on way, very courteous, let me know how things looked.
Great service
Bailey - Knoxville, TN
Prompt, respectful, great service
Jane - Knoxville, TN
Good Communications
Henry - Knoxville, TN
Notified prior to arrival time, knowledgeable on the system and repairs.
Exceptional friendly service
Jimmy - Knoxville, TN
A-1 provided me with quality and friendly service and answered any questions I had
Amazing!!!
Kourtney - Knoxville, TN
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!
Very friendly, good communication
Whitney - Knoxville, TN
Ash did a great job letting me know she was on her way and in how my units were doing.
Just what was needed
Michael - Knoxville, TN
Thanks for the Check up
Tom - Knoxville, TN
Great service
Cynthia - Knoxville, TN
Arrived as scheduled. Technician was very friendly &completed task quickly & efficiently.
Ash was amazing! Couldn’t have asked for better service! AMAZING!!
Glen - Knoxville, TN
Prompt service
Judy - Knoxville, TN
All aspects of service were done in a timely manner. Professional. Guys put on masks when around me and in house
Ash was Awesome!
Josh - Knoxville, TN
Great Service!
great service
Stellanie - Knoxville, TN
She was very friendly and knowledgeable
Great service
Saundra - Knoxville, TN
She called before she arrived and when she arrived told me everything she did
Service air conditioning and heat unit
Viola - Knoxville, TN
The young lady that came to service my unit was very helpful and pleasant. She was very knowledgeable and patient on Tuesday, January 26, 2021.
Great service
Ron - Knoxville, TN
You need people like her. She is knowledgeable and quit on service. Complete check out and explain everything
Excellent service
Don - Knoxville, TN
Ash T did a excellent job on our service, she was very thorough in her inspection and took care of problems she encountered.. Nice personality and very business like.
Knowledgeable service rep
Elizabeth - Knoxville, TN
Ash seemed to do a good job evaluating our furnace, and was pleasant to work with.
Great staff
Stephen - Knoxville, TN
Great Service.
Annie - Knoxville, TN
1-Great to see a female in an all Male industry 2-Nice to be able talk to technicians who will speak to you and who have good customer relations skills.
Very thorough and courteous
Jeanette - Knoxville, TN
Annual maintenance-excellent service
Judith - Knoxville, TN
Great service
Britney - Knoxville, TN
Showed up on time and great troubleshooting!
Service call
Mickey - Knoxville, TN
Ash was a very nice young lady very good at explaining what she was doing very professional a good addition to your company give her a raise
Jason S.
Daikin fit split system Service call
Jason S.
Goodman heatpump split system Service call
Jason S.
Amana split system heatpump Service call
Juan M.
Performing maintenance on a Goodman heat pump
Juan M.
Performing maintenance on a Goodman heat pump
Juan M.
Performing maintenance on a Daikin unit
Juan M.
Performing maintenance on a Goodman package unit
Jason S.
Amana heatpump package system Service call
Juan M.
Performing maintenance on a Payne package unit
Jason S.
Coleman split system heatpump. Service call
Juan M.
Performing maintenance on a Daikin A/C unit
Jason S.
Performed preventative maintenance on York heat pump package system.
Jason S.
Trane package heatpump Service call
Juan M.
Performing maintenance on a Confortmaker condenser
Juan M.
Performing maintenance on a Daikin A/C unit
Juan M.
Performing maintenance on a Goodman package unit
Jason S.
Rheem heatpump split preventative maintenance
Jason S.
Rheem heatpump split preventative maintenance
Jason S.
Daikin mini split Service call
Juan M.
Performing maintenance Aire_Flo A/C system.
Jason S.
Lennox heatpump split system Service call
Jason S.
Daikin mini split Service call
Jason S.
Performed preventative maintenance on lennox split system
Juan M.
Performing maintenance Amana A/C system
Jason S.
Lennox heatpump split system Service call
Kris K.
Installation of a Daikin Air conditioner
Juan M.
Performing maintenance Armstrong Air package unit
Juan M.
Performed maintenance on a Daikin Heat Pump package unit
Kris K.
Installation of a Goodman furnace
Juan M.
Performing maintenance on a Coleman heat pump
Tommy M.
Home performance air seal and duct seal
Juan M.
Performing maintenance on two Daikin AC units
Juan M.
Performing maintenance on a goodman heat pump and a goodman package heat pump
Jason S.
Lennox heatpump split system Service call.
Jason S.
LENNOX heatpump split system Service call
Jason S.
Lennox split system ac/ furnace. Performed preventative maintenance.
Juan M.
Performing maintenance on a goodman package unit
Jason S.
Daikin split system ac/ furnace. Service call
Juan M.
Performing maintenance on a goodman package unit
Kris K.
Installation of a Daikin furnace
Jason S.
York split system preformed preventative maintenance
Jason S.
American standard heatpump package Service
Jason S.
Amana Heatpump package Preventative maintenance
Juan M.
Performing maintenance on a carrier ac unit
Jason S.
Carrier package Unit. Performed preventative maintenance
