QHA Inc. Headquarters


Quality Heating and Air Conditioning is a privately held company located in Wilmington, DE with over 52 years of experience. We are a one stop shop for all your sheet metal and HVAC needs.

What We Do…

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. 
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QHA Framing
QHA Logo


Quality Heating & Air Conditioning Company, Inc. was founded in Wilmington, Delaware in February 1966 by Horace Jr. and Janice Wahl.  Horace served as President of the company and Janice as Secretary.  The first sheet metal job for the company was the Gateway Motel on Route 13 and the first air conditioning job was a house in North Wilmington.  Quality’s original building had approximately 750 square feet and ironically no heat.  By the end of 1966, the company had a mix of residential and commercial industrial work and employed 6 people.

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