Our History

How It All Began

Founded in 1970 by Richard G Colfer, D&D Heating & Cooling is a family-owned and operated company that specializes in residential and commercial HVAC services. As a third-generation heating and cooling contractor, we have earned a reputation for delivering top-quality heating and cooling products and services in the region.

As Lehigh Valley’s leading HVAC specialist, we offer a complete range of services, including Air Conditioning and heat installation, repair, maintenance, air filter replacement, and HVAC for new construction. We also carry a full range of HVAC products from industry-leading brands, such as York, Lennox, Healthy Climate, Bradford White, Rheem, Well-McLain, Climate Master, Viega, Velocity and Fujitsu.