Some of our valued customers...    
Rockland Trust Company
Tarzia Construction
Thompson Builders
JEFitzgerald Housesmith
King Collision
South Coastal Bank
Norwell Veterinary
Weymouth Cat Clinic
Accord Executive Park
Fidelity Information Systems
Brownstone Insurance
Decota Enterprises
Caldwell Banker
Faneuil Kitchen
Harbor Medical
Jacobs Pond Estates
Interactive Digital
First Resource
Concert Medical
Scituate Concrete Pipe
Scituate Ray Precast
Eastern Insurance
Hingham Institute for Savings
AEP Realty Trust
H&H Builders
Some of our customer's comments...  
“What a great experience! Courteous, professional, pleasant! I would recommend most highly to anyone!"
Bob Bunnell, Norwell
“Norwell Veterinary Hospital has used O'Donnell and Son Heating and Cooling for over 12 years. They have always provided us with terrific service! The response to our requests for help is always quick and they never fail to resolve the issue. I am happy to refer anyone to them for heating and cooling problems."
Holly, Norwell Veterinary Hospital
"Hi Brian and Matt, Congrats on your new website. As you know, My Dad and I built the commercial buildings I now manage. HVAC maintenance is obviously very important to our tenants. Over the years we hired many different contractors to maintain our systems. It wasn't until we started working with you that we could relax having the confidence that when our customers call us with a maintenance problem, it would be handled quickly and professionally. We are a family business and we always try to hire independent family businesses. It's nice to see you two working together the way my Dad and I did when we were building our business."
Lou DeCota, Randolph
Cool Smart
Water Furnace
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