Company Description:

Dualco, Inc. is your full service Heating, Ventilation, and Air Conditioning (HVAC) contractor. Our highest priority is providing high quality installation and service.

We proudly service Virginia and Maryland as the premiere HVAC contractor. Licensed - Bonded - Insured
Dualco, Inc. has been "At your service" for over 49 years!

* Commercial and Residential HVAC
* Custom ductwork and sheet metal fabrication done at our own in-house shop!