"Family Owned & Operated Providing
Over 50 Years of Reliable Service to All of Central MA"

71 Worcester Road Barre, MA 01005
T: (978) 355-6649

Heating & AC Contractors






R.J. McDonald offers a full range of Design, Installation, & Maintenance Services to keep your family comfortable during cold winter months as well as the hot summer days.

Our technicians have over 75 years of experience and will design a system to suit your needs. All our installation work is done by our own technicians. We do not use subcontractors from other companies.

Our goal is to install the best quality equipment to ensure your home is comfortable while staying within your budget. We will work with you, the homeowner, and your contractors and/or architects to help design your specific heating and cooling needs.

We offer Service Contracts


  • High Efficiency Oil Fired Heating Equipment
  • 94%+  Wall Hung Gas Boilers & Water Heaters
  • Radiant Floor Heating
  • Radiant Snow Melt Systems
  • High Efficiency Central Air Conditioning Systems
  • Wall Hung Ductless Air Conditioners
  • Wall Hung Heat Pumps
  • Wall Hung Gas Fired Room Heaters




Daily Price

Heating Oil: $120 gal.

Customer Feedback

“My experience with R.J Mcdonald has been very positive. I recommend them highly.”


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