About Our Company

Serving Connecticut and Massachusetts for more than 30 years, our HVAC company specializes in residential and commercial heating and cooling solutions.

Our mission is to provide customers with quality products and services that are unique to their circumstances. While doing this, we strive to keep our projects on time and within customer’s budget. Plus, to keep up with the newest technology, we continually update our technical knowledge and receive factory training.

Committed to your complete satisfaction, we stand behind all of our workmanship. All of our employees are long-term, professional technicians and our products offer an excellent return on your investment. Let us show you how.

We accept Visa MC, Discover, Amex, Debit, Check, Cash & money orders. Credit terms available.

Excellent Track Record

Heat and  Cooling is crucial to your overall well-being, so trust your  HVAC system to a company with a proven track record of superior customer service and excellent workmanship. D & D Heating & Air Conditioning LLC not only offers top-quality products for most brands, but services all system makes and models.

  • Certified WaterFurnace ®Installation Company
  • Northern Connecticut Chamber of Commerce

  • Member of ACCA® Air-Conditioning Contractors of America
  • Connecticut Geothermal Association Connecticut
  • License S-1 389799 Fully Licensed & Insured

Service Area:

Connecticut – Hartford, Tolland, New London, Middlesex, New Haven, & Fairfield Counties, including Somers, Stafford, Enfield, Suffield, Granby, East Granby, East Windsor, South Windsor, Tolland, Ellington, Vernon, Manchester, East Hartford, Hartford, West Hartford, Farmington, Avon, Simsbury, Burlington, Canton, Cheshire, Portland, Rocky Hill, Bloomfield, Marlborough, Colchester, Portland, East Hampton, Hebron, Cheshire, Southington, Clinton, Madison, Old Lyme, Lyme, Old Saybrook, Westbrook, Westport, New Town, Monroe, Woodbridge, Gilford, Fairfield, Norwalk, Darien, Waterbury, Bolton, Gilford, Branford, Stonington, Milford, Eastford, Ashford, Columbia, Andover, Coventry, & Bolton

Massachusetts – Hampden & Worcester Counties, including Agawam, Westfield, Springfield, Longmeadow, East Longmeadow, Southwick, Chicopee, Hampden, Wilbraham, Ludlow, & Monson

Contact our HVAC company in Enfield, Connecticut, to put our experience & expertise to work on your comfort systems.