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A & A Companies

A & A Companies has been a leading HVAC Contractor on Delmarva since 1987. For 37 years we've been the reliable, trustworthy, and efficient choice for both residential and commercial projects. With a diverse portfolio of contracting work, we have the experience to manage a large variety of different projects.

A & A Companies is proud to be celebrating our 37th anniversary of being Delmarva's leader in Geothermal, HVAC, and Radiant Services. We provide new installation, upgrades, and service for homes and commercial building construction.

Our headquarters is located in Frankford, Delaware, which is close to the Coastal and Inland regions of Delmarva's Eastern Shore and all Delaware Counties. A & A Companies is dedicated to providing our valued customers with the highest level of integrity, professionalism, and quality. When choosing A & A Companies for your HVAC, Geothermal or Radiant needs you are guaranteed to receive top of the line service, installation, and customer service.


We are your one-stop-shop for all your HVAC needs. As a family-owned business, we have been committed to providing high-quality services to our customers for 37 years. We have a team of expert technicians who will provide you with top-notch installation, repair, and maintenance services. We treat our customers like family, and we are always here when you need us, with 24/7 emergency service.


Experience the A & A Companies difference.

Wood Frame of House

In 1987, Greg Allen opened A & A Air Services Inc. This business started out as a small one-man operation, and has now grown into 30+ employees out in the field.

A & A Air Services specializes in Residential and Light Commercial HVAC installation and Geothermal. Over the last 37 years A & A Air Services has grown to being one of the Top 5 Waterfurnace Geothermal Dealers in the United States.

In 2005 Greg expanded A & A Air Services into A & A Service Company.  A & A Service Company is managed by his daughter Mindy, with Greg standing by her side.

A & A Air Services is now in the 2nd generation of management/ ownership, with Greg’s son Chris taking over the day to day operations of the business.

Over the years A & A Companies has gained a valued reputation among the community for the quality of work that is performed down to the friendliness of the office staff. We pride ourselves in having a name that people know from the beaches of Delaware all the way to the Bay Bridge.




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