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
Services

Commercial mechanical work is a different discipline from residential. The equipment is heavier, downtime is costly, and most businesses stay open while the work is done.

We service and install rooftop package units, split systems, make-up air and light commercial equipment across the Tri-Cities. We plan each rooftop changeout around your business hours, with the removal, the new unit and the connections handled as one piece of work, so the swap can often happen on a Sunday morning instead of during a business day.

Because we have our own sheet metal shop, ductwork and transitions are fabricated for the job instead of ordered and waited for.

For commercial equipment, scheduled maintenance is the sensible approach: planned visits, documented condition reports, and priority response when something does fail.

Rooftop package unit on a commercial building
  • Carrier factory-authorized dealer
  • NATE certified technicians
  • Better Business Bureau
What we cover

What we work on

  • Rooftop package units
  • Split and multi-split commercial systems
  • Make-up air and exhaust
  • Scheduled maintenance, single or multi-site
  • Rooftop changeouts planned around your business hours
  • Ductwork and transitions fabricated in-house
  • New construction and tenant fit-out
  • Emergency response for businesses that stay open
At a glance

How we work with businesses

Scheduling
We plan rooftop changeouts around your business hours, with the removal, the new unit and the connections coordinated as one job.
Ductwork
Duct runs and transitions are made in our own shop for the job, instead of ordered and waited for.
After hours
We routinely schedule early-morning and weekend changeouts, which is usually the sensible plan for retail and hospitality.
Multi-site
Scheduled maintenance visits with documented condition reports, and refrigeration can be included alongside the HVAC.
How it works

How a commercial job works

  1. One number to call

    Rooftop units, split systems, make-up air and refrigeration, all handled by one company.

  2. Planned around your hours

    We schedule changeouts around your business hours, and early-morning and weekend work is routine.

  3. Made in our shop

    We fabricate ductwork and transitions for the job in our own shop, so there is no waiting on an order.

  4. Maintained and documented

    Scheduled maintenance visits with documented condition reports, for one site or several.

Planned around you

Work scheduled around your business hours

We work out the timing with you, so a rooftop changeout fits around your business hours rather than interrupting them.

For retail and hospitality customers, early-morning and weekend changeouts are usually the sensible plan, and we schedule them routinely.

Your business hours When the work can happen
Our work

Recent jobs

We plan every rooftop changeout around your business hours.
Custom Heating & Air Conditioning, LLC Family owned in Church Hill, Tennessee, since 2001
2001Serving since
100+Years combined experience
2,712Customer reviews
30+Towns covered
Common questions

Before you book

Can you work outside our business hours?

Yes, and for retail and hospitality customers it is usually the sensible plan. We schedule early-morning and weekend changeouts routinely.

Do you handle multi-site maintenance?

Yes. Multi-site maintenance with scheduled visits and documented condition reports is common for our commercial customers, and they can include refrigeration alongside the HVAC.

Can the same company look after our refrigeration?

Yes. We service walk-in coolers, freezers, reach-ins and display cases as well, so a restaurant or grocer has one number to call for both.

Prefer to call?

(423) 357-1922
Office hours
Monday to Friday, 8–5
Outside those hours
Emergency service is available — call the same number.
Where we go
Church Hill, Kingsport, Mount Carmel, Surgoinsville, Rogersville, Johnson City, Bristol, Greeneville, Morristown and across into Southwest Virginia. Full service area.
Where we are
119 E Main St, Church Hill, TN 37642
Thank you — we have your request.
We will call you back to confirm a time. If it is urgent, call (423) 357-1922.

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Tell us what the system is doing and we will call you back to schedule. For a no-heat or no-cool emergency, please call us instead. It is the fastest way to reach us.

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Monday to Friday 8–5, with emergency service available outside those hours.

(423) 357-1922
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