DeLong Air, Inc.

HVAC problems don’t wait for business hours & neither do we.

Our certified technicians are ready to respond when you need us most!

24 hours a day.
Local. Trusted. Reliable.
📞 937.323.2300

Just another day on the job in Ohio… Technicians with ladders installing a mini-split, while the deer "supervise" in the yard 😄

If you’ve been thinking about adding comfort to a space that doesn’t have ductwork, a mini-split might be the perfect solution.

Apparently, even the four-legged neighbors approve!

When your heat goes out, you want people you can trust to take care of you.

DeLong Air has been showing up for this community for 40 years, and we’re not stopping anytime soon! Give us a call today.