(860) 698-9696
Enfield, CT 06082

Established HVAC Company

Thermostat - HVAC Company AC Ducts - HVAC Company AC Repair - HVAC Company

Geothermal Systems

Optimize your indoor comfort the eco-friendly, energy-conscious way, with geothermal heating and cooling. Our systems use an underground loop to transfer heated and cooled air into the home, depending on the season. Geothermal Energy Professionals At Your Service!

Ducts, Heating, & Air Conditioning

Keep the air flowing smoothly and efficiently with air duct systems, heating, and air conditioning products. Heating and Cooling is undoubtedly important. We have a proven track record of superior customer service and excellent workmanship.

Hours of Operation:
Monday — Friday, 7:00 a.m. — 5:00 p.m.
Evening & Weekend Appointments
Call for Availability

Sales, Installation, Maintenance and Repair:

- WaterFurnace® - Geothermal Heat Pumps
- Unico® High Velocity Small Duct
- American Standard® Heating & Air Conditioning Products
- Ductless Heating & Air Conditioning System

- Warm Air, Hydro Air, Boilers, Furnaces
- Oil, Gas and Solid Fuels
- Hot Water Heating Systems and Storage
- And  More!


Who We Are

Enjoy year-round home comfort with heating and cooling services from our HVAC company in Enfield, Connecticut. Established in 1970, D & D Heating & Air Conditioning LLC provides quality installations for years of trouble-free, economical operation.

Learn More about D & D Heating & Air Conditioning LLC

Certified WaterFurnace®
Installation Company
Member of ACCA®
Air Conditioning Contractors of America

Connecticut License
S-1 389799

Northern Connecticut Chamber of Commerce

Connecticut Geothermal Association

Fully Licensed & Insured

Contact D & D Heating & Air Conditioning LLC to experience uninterrupted comfort in your home.



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We Accept Money Orders • Credit Terms Available