Commercial HVAC in Maryland — Light Commercial & Rooftop Service
Chason Service Engineers keeps light commercial buildings comfortable across central Maryland. Rooftop units, split systems, and heat pumps for family-owned restaurants, shops, offices, medical suites, and churches. In business since 1946. Four generations. Oldest Carrier Factory Authorized Dealer in the area.
We are not a warehouse or high-rise contractor. We are the shop you call when the packaged unit on the roof quits and your customers can feel it.
Where we service in Maryland
- Baltimore County — Timonium, Lutherville, Cockeysville, Towson
- Baltimore City
- Harford County — Bel Air, Abingdon
- Anne Arundel County — Glen Burnie
- Howard County — Columbia
- Carroll County — Westminster
Not sure if we cover your building? Call and ask. We’ll tell you straight.
What we work on
- Packaged rooftop units (RTUs)
- Commercial split systems
- Heat pumps
- Ductless mini-splits for problem rooms and server closets
- Thermostats, economizers, and controls
How a commercial call works
- You reach a live person — 24/7 answering service.
- We get the building type, the symptoms, and what’s on the roof.
- A technician is dispatched, same-day on most calls.
- You get the diagnosis and the price before we start the repair.
- Warranty on the work.
FAQ
Do you handle big commercial and new construction?
No. We focus on light commercial — family-owned businesses and smaller buildings running rooftop or split systems.
Do you service all brands?
Yes. We install Carrier. We repair Carrier, Trane, Lennox, Goodman, Rheem, Bryant, and the rest.
Are you available after hours?
Yes. Emergency commercial repair is 24/7.
Call (410) 252-6300 to schedule commercial service in Maryland.