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Kingsport Heating and Air Conditioning Mr. Millsap is from East Tennessee, having lived in the Bloomingdale location of Kingsport during his childhood and has studied ar from Ketron High School. He started working as a service technician with other heating and air firm in 1972. His dream ...to have his own company. That dream became reality in 1987 when Kingsport Heating and Air Conditioning was established for business. His purpose was and still is, "To be the best heating and air conditioning firm in the area".

Kingsport Heating and Air Conditioning has been acknowledged and honored by getting many awards, including the distinguished Joseph R. Andrews Award of Excellence, Comfort Assured Program awards for Most Heat Pump Installations and Best Customer Satisfaction, Kingsport Times News Reader's Choice Awards - The Best of Kingsport. They are also TVA approved through Johnson City Power Board, Bristol Tennessee Essential Services, and Holston Electric.
Served areas
  • Tennessee, Virginia, and Kentucky
Associations and certifications
  • Kingsport Chamber of Commerce
  • Kingsport Home Builders Association
  • Bristol Chamber of Commerce
  • BVUB (Bristol Virginia Utility Board)
  • Elizabethton Electric
  • BTES Preferred Contractor (Bristol Tennessee Essential Services)
Services
Heating
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Heating Let us help you make your home or office warm and comfortable all year long with our wide range of heating products and services. As authorized Carrier dealers, we'll help you choose a heating system that is perfect for your home and family.

Apart from sales of heating products, we also have the skills to install your new heating system and take care of repairs, maintenance and even help you source the spare parts required. Our services are available for both commercial and residential properties.
Regular Maintenance
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Regular Maintenance Get our maintenance services to ensure that your system continues to work smoothly. To make your life easier we offer maintenance contracts and planned maintenance programs which enables you to get reliable routine maintenance at affordable rates.
Reviews (18)
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Cindy Crawford
Jun 16, 2022
This business has the most experienced and friendly staff. Highly recommend.
Ben Mennis
Jun 12, 2022
Used their after hours service. Answering service said they were very busy and didn't have an estimate of how long it would be, but got a call from the technician about 30 min later. Even though it was later in the evening Sam was professional and courteous (my kids were sleeping and he was very deliberate about being quiet the entire time).
April Brewer
Jun 11, 2022
Stay away from this company! We called them to repair our heat pump because they were able to come out a few days earlier than our usual company, John Legg. We had a different, smaller, company come prior to them and they were unable to fix it so I assumed Kingsport Heating & Air would hire better, more capable techs. They tested the capacitor and board, said it was good, and messed around with it for FOUR hours!

He finally told us it must be the compressor which is a >$1000 repair. I called John Legg, who we got the heat pump from and waited in a 90 degree house with my 10 month old baby and 3 year old toddler for several days until they could come out and "condemn" the unit for the warranty. Within 5-10 minutes of John Legg's tech being there, it was back up and running.

The capacitor was wired wrong. This company will take ZERO responsibility for their tech's ineptitude. Of course he swears he didn't replace the capacitor (even though he told us he did just to make sure that wasn't the problem) and says he only tested it. Either way, HE STILL LOOKED AT IT! Capacitors are the most simple repair an HVAC company does! Do NOT USE THIS COMPANY! You'll be out money and left miserable until someone else fixes their mistakes!
Alesha Fields
May 28, 2022
Critical: Professionalism, Quality, Value Deleted my previous 1 star review that had all of the details. Do not use them, I'm still paying for the mess they created with my air unit. Service: Repair HVAC
Lauren Jones
Sep 20, 2021
Air went out Friday evening (pretty sure just low coolant).called this company specifically for the 24 hr service late Saturday because I was really not wanting pay that after hours weekend service fee I knew anyone would charge. Hubby said he couldn't stand it and to go ahead and call. Called Saturday night, and the dispatcher said a tech would call.

Didn't expect them Saturday night, but a phone call would've been nice. Would've been nice to get a call Sunday morning or afternoon. So called back Sunday evening and a different dispatcher said that she'd send the info to the tech (again). So here it is almost 2 am Monday morning, still no call, and we've gotten setup with a different company.
Angie R.
Apr 05, 2021
Professional and on time and very very reasonable for the price. They examined my unit and told me about my warranty and how old my unit is and gave me very informal information on our unit that I was not aware of because we were not sure of the age of this unit. I will call them for my yearly maintenance service. They are affordable. Services: Cleaning, HVAC system maintenance
Angie Fralick
Apr 02, 2021
These guys are simply the best. We have been with them for the past 10 years and are using them on our new house. The owner of the company is a true gentleman takes care of his customers and a man of his word I have never had such a professional service from an air-conditioning company as I have from Kingsport Heating and Air.! When you buy a home heating and cooling system you're not just buying the product you're buying the service from the retailer. Machinery will always break down it's not a perfect world but I will tell you this as far as customer service and technicians and professionally trained people you will not find a better company then Kingsport heating and air. If you're looking for a new system look no further I highly recommend this company and the owner. Sincerely Jeff and Angie Alpern.
Lisa Thompson
Jul 27, 2019
The receptionist on the phone was very sweet and helpful. The technicians had our heat pump up an running in about 15 min. They were very friendly. I would highly recommend.
Irene Burgan Whittimore
Jul 12, 2019
Professional service, respectful people, fast response, and reasonable price.
Mike H.
Mar 09, 2019
Made appointment to have ducts cleaned. No one showed so we called and lady answering the phone got rude with us. Gave us a run around story and excuses but no results. Needless to say we called a different company. Fast forward two weeks and our main unit stops working (installed by them in late 2017) so we call and get the answering service (this lady was super polite) at 7:00 PM on a Saturday.

She said a tech would call back. At 9:00 PM I call back, again she was super polite, and she called the tech again to have them make contact. So it is now Sunday morning and still no contact from Kingsport Heating & AC. Lane's Heating and AC here in Johnson City will appreciate your lack of concern for your now former customers. horrible service, horrible attitudes, not so great prices. And no one will return comments on bad reviews, only those that are three stars or more. If service after the sale is important to you I recommend you look elsewhere.
Eddie Huff
Feb 25, 2019
Buck and Mathew did a great job. Knowledgeable folks with a good attitude and hard working. 24 hour emergency service. Calls were returned promptly service man Sam showed up when he said he would. The guys showed up to install the new heat pump when they said they would be here. Could not have had a better experience with it 20 degrees outside! Not one complaint.
Tammiann Henderson
Dec 01, 2018
Of course during some of the coldest weather on a weekend/holiday is when the heat goes out at midnight! Called at daylight on Saturday morning hoping someone was working and it wouldn't cost a fortune as extra weekend fees. Got a call back within the hour and Sam said he was on the way. He explained way happened and got my house warm again. The fee was reasonable especially for a weekend emergency visit and I appreciate that! Sam was very courteous and professional. Will definitely be doing business with them in the future.
Robert Jenkins
Jun 27, 2015
Great service technicians know what they are doing and don't lie to you and over charge you for stuff you don't need very professional a big thanks to the technician that came out SAM really friendly professional guy
Keri R.
Mar 25, 2015
Great service and friendly staff makes up this wonderful business.
Jennifer Coffelt
Rick is alsome work and good people and very clean thank you god bless
Joey Gaylor
Very professional and timely today. went through 2 other companies before Kingsport Heating and Air, will definitely be a staying customer, highly recommend.
Nikki McGlocklin
Excellent work. They fixed my problem & the employees were very helpful and courteous!!
Tyler Franklin
During the early morning hours of a Saturday, the heating portion of my package unit quit. I called them around 9:30. They told me to expect a call from service technician, Graham. As promised, he did call me at about 10:30 and said he was in Rogersville and would call me when he was 30 minutes away. He did. He arrived and asked some questions to understand the problem them immediately began inspecting the unit.

In a short time he had narrowed the problem down to a single but critical capacitor. He had a replacement on his van, installed it then performed an overall inspection of the unit. I was amazed at how reasonable the bill was!