Our fully trained technicians will keep your family comfortable all winter long.
AIR CONDITIONING-Commercial & Service
Let the “SIGMA boys” maintain or repair your Central Air Conditioning Units.
Our Commercial Plumbers are all Massachusetts State Licensed with years of experience.
Give us a call to service, replace or perform maintenance on any Natural Gas Equipment you have.
The South Shore’s Most Trusted HVAC Company
SIGMA Mechanical Services is a full service heating, ventilation, air conditioning, refrigeration company serving Marshfield and the surrounding area.
We offer plumbing services for commercial projects. Our technicians use state of the art technology to repair existing systems. We offer 24-hour seven days a week emergency service. As a customer of SIGMA Mechanical Services, we will perform scheduled service checks customized to your needs so that your system will run smoothly and effectively.
“Working with Sigma was great. David helped throughout the entire process, helping with the gas company, explaining each step of the project. The guys from Sigma were also great. Cleaned up each day, answered any questions. I would highly recommend Sigma for your heating or air conditioning needs.”
Bob Sullivan- President, Sullivan Funeral Homes
Rockland- Hanover- Hanson
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