24/7 Service 508-999-3882Office Line 508-758-7906

DG Service Company

Keeping Our Customers Comfortable


Heating system design, installations and repairs for commercial and residential customers.


Ventilation, humidification & dehumidification for residential & commercial.

Air Conditioning

Air conditioning system design, installation and repairs for commercial and residential customers. 


Refrigeration system design, installation, maintenance and repairs for commercial customers.


Indoor air quality product installation to improve air quality, kill viruses, bacteria and mold. 


Better Business Bureau Accredited

Our mission is to keep our customers comfortable in all seasons and preserve their investments in heating, air conditioning and refrigeration systems by offering the best possible repair and installation services.

Our Service Area


I have used DG for years. They are very professional and a real pleasure to have service my heating & AC. I have a complicated system and I wouldn’t trust anyone but DG with it. I highly recommend DG. Thank you!


Leslie Harelick

“I have used this company for my air conditioner system for about 10 years. I wish they had installed it originally, I probably would not have the issues with it today. Always helpful, pleasant technicians, and prompt service during the dog days of July.”


Christopher Baldo

Contact Us Today. Satisfaction Guaranteed!

One factor that sets us apart is the ability to design, install, repair and maintain HVAC/R systems. The company’s experienced technicians work together – connecting all phases – design, installation, maintenance and repair.


Installations & ServiceEmergency Repairs