Quality Heating & Air Conditioning Company Inc. is dedicated to providing HVAC and sheet metal services across the Delaware, Maryland, Pennsylvania, New Jersey and Virginia areas. We specialize in the construction and commercial industries and were founded over 50 years ago. QHA is capable of all phases of sheet metal work and has worked on an extensive variety of projects including new construction, industrial, pharmaceutical, medical, educational, remodels and design-build. We have over 40,000 square feet of space dedicated to custom fabrication. We are able to offer the highest quality coil, spiral and rectangular duct with plasma cutters linked to our CAD systems.