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Commercial HVAC Repair & Service in Union, SC

For rooftop unit repair in Union, SC, you want a stocked truck, a flat price and a technician who explains the fix. That is what we send. Restaurants, offices, retail and warehouses in Union cannot wait for HVAC repair. We service rooftop package units, split systems, make-up air and light commercial refrigeration with after-hours scheduling so your business stays open.

Call (855) 459-5498Same-day rooftop unit repair in Union. Flat-rate pricing.

HVAC technician checking refrigerant pressures with gauges in Union, SC

Rooftop unit repair in Union: Problems We Fix

The Upstate gets real winters, with Union seeing hard freezes and the occasional snow along with hot, humid summers. Heat pumps here need working defrost cycles and backup heat, and furnaces need annual safety checks. We service both sides of the system year-round.

Rooftop unit not cooling the store
Customers complaining about temperature
Server room or office overheating
Restaurant kitchen too hot
Multiple units on one property needing maintenance
Tenant improvement or build-out

How a Commercial HVAC Repair & Service visit works in Union

Priority commercial dispatch
Multi-unit maintenance contracts
After-hours and weekend work to avoid disruption
Documentation for property managers

Book Commercial HVAC Repair & Service in Union

(855) 459-5498

Live answer 24/7. Technicians near downtown Union, Buffalo and all of Union.

Same-day scheduling
Flat-rate written quote
Parts stocked on the truck
Repair and replacement options explained

Request service online

All HVAC services in Union · Commercial HVAC Repair & Service statewide

Why Homeowners in Union Call American Air

Local technicians

Our crews live and work in the communities they serve, so response times are real.

Same-day service

Most calls placed before noon are handled the same day, and emergency crews run 24/7.

Flat-rate pricing

You approve a written price before we pick up a tool. No hourly clock, no surprises.

Stocked trucks

Capacitors, contactors, motors, ignitors, sensors, boards and refrigerant ride with us so most repairs finish in one visit.

Commercial HVAC Repair & Service Near Me: Union Areas We Serve

Our Union technicians provide rooftop unit repair throughout Union County, including these neighborhoods and communities:

downtown Union
Buffalo
Jonesville
Lockhart
Carlisle
Pauline

Commercial HVAC Repair & Service in Nearby Cities

Commercial HVAC Repair & Service technician at work in Union, SC

What Customers Say in Union

“Duct sealing made a bigger difference than I expected. Upstairs finally cools down and the system is not running all day.”

Terrence L., Union

“The tune-up caught a weak capacitor before summer. Five minutes to fix then, would have been a no-cool call in August.”

Monica S., Union

“Mini-split installed in the garage workshop. Clean line set cover, neat wiring, works perfectly.”

Ray G., Union

Commercial HVAC Repair & Service in Union: Questions We Hear

Do you offer commercial maintenance contracts in Union?

Yes, with quarterly or semi-annual visits and priority response.

Can you work after we close?

Yes. Evening and overnight scheduling is available.

What size units do you service?

Light commercial rooftop and split units up to 25 tons.

Do you offer rooftop unit repair near downtown Union?

Yes. We cover downtown Union and every part of Union, plus Buffalo, Jonesville, Lockhart. Call (855) 459-5498 for the next available window.