Serving Church Hill, TN & the Tri-Cities Mon–Fri 8–5 · Emergency service available (423) 357-1922
Custom Heating & Air Conditioning logo Heating & Air ConditioningChurch Hill, TN · Since 2001
Emergency service available
  • Carrier CarrierFactory-authorized
  • NATE NATECertified techs
  • BBB BBBAccredited

2,700+ customer reviews Bonded, insured & licensed

When the comfort goes out, we go out.

Family owned on East Main Street in Church Hill since 2001, with over a hundred years of combined experience on the trucks. Heating, cooling, refrigeration and commercial mechanical across the Tri-Cities, on every make and model.

  • Carrier factory-authorized
  • NATE-certified technicians
  • Bonded, insured & licensed
  • 2,700+ customer reviews
Technician inspecting a Carrier condenser beside a house
Custom Heating & Air Conditioning Family ownedChurch Hill, TN · since 2001
Carrier Carrier dealerFactory-authorized
NATE NATE-certifiedtechnicians
BBB BBB accreditedBonded & insured
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Leave your name and phone number, and our office will call you to schedule. For a no-heat or no-cool emergency, please call (423) 357-1922 directly. It is the fastest way to reach us.

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What setsus apart.

We do the work ourselves, from the sheet metal to the service call.

We fabricate our own sheet metal, so your ductwork is made to fit your building rather than the other way around. We are a factory-authorized Carrier dealer with NATE-certified technicians, handling residential and commercial work under one roof.

Custom Heating & Air Conditioning van outside the Church Hill shop
The shop on East Main Street in Church Hill.
2001Serving since
100+Years combined experience
2,712Customer reviews
30+Towns covered

We make our ownsheet metal.

Instead of ordering stock fittings from a catalog, we cut and form ours in our shop on East Main Street, sized for the house they are going into.

Ductwork fabricated in the Custom Heating & Air Conditioning metal shop
Ductwork made for the building it is going into, by the same crew that installs it.
01

The duct is made for your building

We fabricate each piece to fit, rather than relying on the nearest stock fitting and a length of flex duct to make up the difference. Odd angles, tight crawlspaces and older homes are where our own fabrication shop helps most.

02

Transitions in an afternoon, without a three-week wait

A new unit rarely matches the old opening exactly. Because the shop is ours, we make the transition while the job is still underway instead of waiting on a factory order.

03

The crew who make it are the crew who install it

That gives them every reason to get the dimensions right the first time, because they are the ones who fit it all together on site.

04

Fully licensed, bonded and insured

Ask, and we will show you proof before any work begins on your building. It is a reasonable thing to expect from any contractor.

HVAC installation by Custom Heating & Air Conditioning
Rooftop equipment installed on a new build
Ductwork fabricated and fitted by our own crew
Finished system installation in the Tri-Cities

Real jobs,real crews.

These photos show work by our own crews in homes and buildings within about half an hour of the shop: changeouts, new-construction rough-in, rooftop sets, and the ductwork no one sees once the ceiling goes back up.

If you would like to see more of our work, or speak with a customer whose system we installed, please ask. We keep a long list of references and are happy to share it.

How wework.

These are the commitments we hold ourselves to on every job, residential and commercial.

01

We recommend the repair when the repair is right

If a $180 capacitor will put the system back in service, that is what we will tell you. Either way, you get the repair-versus-replace figures in writing before you decide.

02

We assess the ductwork before quoting equipment

A high-efficiency unit on a leaking or undersized duct system will not deliver its rated performance. The distribution system is part of the quote, not an afterthought.

03

We size from a load calculation, not from the old nameplate

Matching an incorrectly sized original system repeats the original mistake. Oversizing is the most common fault in residential HVAC, and a common reason a house feels cold and humid.

04

We remove a cracked heat exchanger from service

This is a safety rule we follow without exception. If we find one, we shut the system down and explain exactly why, whatever that means for the job.

05

We commission every installation

Before we leave, we measure airflow, verify the charge, test combustion, set up the controls and show you how they work. We record the readings as we go.

Our team

Meet the whole team

This is our whole company, photographed together at our end-of-year get-together. When you call, you will reach one of the people in this photo.

The team at Custom Heating & Air Conditioning outside their Church Hill shop
Our whole team, with more than a hundred years of combined experience between us.
Reviews

2,712 reviews, and counting

The compliment we hear most often is not about equipment. It is about the people: friendly, professional, and at the door when we said we would be.

2,712customer reviews

  • 1,642 with a written comment
  • 564 call our people friendly
  • “I had to call the day after Christmas because our heat pump just stopped working. Todd came out had everything fixed in about 30 minutes and it was so affordable. This company is honest and the techs they send out are always so nice. I recommend them to anyone I know who needs HVAC work done.”

    Ashley M.Technician Todd S. · Dec 2025
  • “The crew that installed the system were very professional and knowledgeable. Great work. Love the Carrier Infinity. Oh, the quote was very much right on and a fair price!”

    DennisFeb 2025
  • “Aaron is extremely professional and courteous…a blessing to have come by twice a year to perform our scheduled maintenance.”

    Richard & Deborah H.Technician Aaron H. · Sep 2025
  • “Nick was very nice. He helped fix our heat pump and made sure we were ready for summer the same day we called for help. Even got a new thermostat and showed us how to use. He was very quick, efficient, and great price.”

    Jason J.Apr 2026
  • “Been with Custom Heat and Air as a customer now for over 20 years. I won’t go to anyone else. Last project was a mini split system for my upstairs bedrooms. Install looks great! 1st I have ever walked upstairs and it be as cool if not cooler than main level.”

    Stan L.Installation crew · Jul 2024
  • “Chris was very knowledgeable. He was respectful and courteous. He went to work as soon as he arrived and didn't stop until my air was working again.
    I was charged the price I was quoted and I am so happy with the work done.”

    Teresa W.Sep 2026
  • “Always pleased to have Duane Hayes service our HVAC. He has provided service for our families for over 40 years! We are always confident of his services and appreciate his expertise and loyalty to customers. Thank you.”

    David & Jackie M.Technician Duane H. · Jun 2025
  • “Our AC wasn't working and they came the same day I called. 100degrees outside and fixed in less than an hour. Gotta love the fast professional service.. 5 stars isn't enough”

    Jon M.Technician Anthony S. · Jul 2026
  • “HVAC Tech (Robert) did an exceptional job. He checked the refrigerant, the electrical components and the condensation pump. He made sure everything was cleaned up and nothing left dirty. Very pleased and will use them again.”

    Chris P.Sep 2026
  • “The install crew arrived on time,They worked hard all day, The unit was installed same day,the crew cleaned up very very well..Great job!! Highly recommend Custom Heating & Air”

    Kenneth & Tasha A.Technician Jacob H. · Jan 2026
  • “Robert was great! Had it fixed in about half an hour. Didn't even get cold in the house before he had the heat going again! I wouldn't trust anybody else with my hvac, I've used Custom since I moved here!”

    Pam M.Feb 2026
  • “Anthony replaced a coil and condenser in our heat pump. He’s very knowledgeable and explained and showed us where the issues were. I will use them again.”

    Jerry G.Technician Anthony S. · Jul 2025
  • “Honest company!
    Excellent technicians who can perform the work and explain the issues and pitfalls to the customer!
    Wonderful experience”

    Jeremy F.Feb 2026
  • “Arrived as scheduled, started in with four man crew, 9 am and left at 12:30 pm! Everything in order, installed new 4 ton split to existing duct work, was professional as always! Thank you much!”

    Alice N.Technician Mike G. · Jun 2025
  • “Called this afternoon after our A/C stopped blowing cold air and Todd was at our door in about an hour. 15 minutes later the air conditioner was fixed. Thank you so much.”

    Andy O.Technician Todd S. · Jul 2024

No heat or no cooling right now? Emergency service is available.

Call (423) 357-1922

$79 seasonal tune-up

This is our fall special, the same offer as the card we mailed to existing customers. It covers one heating or cooling system, and a $50 rebate is available on qualifying tune-ups. You will also find $10 off any service call on our offers page.

See current offers

Monthly payment options

Credit For Comfort applications take minutes online and consider FICO scores down to 500. Eastman Credit Union is the local option, and you can apply with them online. Wells Fargo Bank, N.A. options are available with approved credit.

Financing options
Coverage

Where our trucks go

From our shop on East Main Street in Church Hill, roughly an hour in every direction: the Tri-Cities, upper East Tennessee and Southwest Virginia.

  • 30+towns
  • 12counties
  • 2states
VIRGINIATENNESSEENORTH CAROLINAKENTUCKYHAWKINSSULLIVANWASHINGTONCARTERGREENEUNICOIHAMBLENGRAINGERSCOTTWISELEEWASHINGTON81812626Bulls GapEidsonBluff CityPiney FlatsLimestoneHamptonGreenevilleChuckeyMosheimMorristownBean StationGate CityWeber CityDuffieldHiltonsAbingdonBig Stone GapPennington GapSurgoinsvilleRogersvilleKingsportBristolBlountvilleJohnson CityJonesboroughElizabethtonErwinChurch HillOUR SHOP
  • Our shop
  • Counties we serve
  • Town with its own page
  • Also on the schedule

Towns with a page of their own

Miles are straight-line from the shop. Also on the schedule: Greeneville, Morristown, Abingdon, Gate City, Big Stone Gap and 13 more towns.

Common questions

Before you call

Do you charge for a service call?

Yes. There is a diagnostic fee, and we will tell you what it is on the phone before we come out. It covers the technician’s time to find the cause of the problem rather than guess at it. Estimates on new equipment and on commercial installations are free; estimates are not available for diagnostics or repairs.

How fast can you get here when the heat or the AC quits?

For most of our area, we aim for same-day or next-day service. Church Hill, Mount Carmel and Surgoinsville are minutes from the shop, and Kingsport is a short drive down 11W. Emergency service is available outside business hours; call (423) 357-1922 and you will reach a person.

Do you only work on Carrier equipment?

No. We are a factory-authorized Carrier dealer, so Carrier is what we recommend and stock parts for, but our technicians service, repair and maintain all makes and models: gas, electric, heat pump, geothermal and ductless.

Should I repair my system or replace it?

As a rule of thumb, if the repair costs more than about a third of a new system and the unit is past twelve years or so, replacement usually makes more sense once running costs are counted. Below that, repair is usually the better choice. Either way, we will put both numbers in front of you and let you decide.

Do you handle commercial work?

Yes, it is a large part of what we do: rooftop units, split systems, walk-in coolers and freezers, refrigeration, custom sheet metal and new-construction rough-in. We run our own metal shop, so we make the ductwork and transitions here instead of waiting on a factory order.

Is financing available?

Yes, there are three options. Credit For Comfort takes applications online in minutes and considers FICO scores down to 500; Eastman Credit Union is the local option, and you can apply with them online; and Wells Fargo Bank, N.A. offers special terms with approved credit. You can compare all three and apply on the financing page.

Talk with our team in Church Hill

Our own office staff answer your call Monday to Friday, 8:00 am to 5:00 pm, and emergency service is available outside those hours.

(423) 357-1922
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