Sigma Mechanical Services

Marshfield, MA

Electrical • Heating and Cooling • Plumbing • Mechanical • Water Heaters

Is this your business?


Superior service for Heating, Air Conditioning, and Refrigeration needs for residential or commercial projects. The SIGMA team delivers matchless quality and maximum reliability in mechanical services. For new construction or existing installations, the SIGMA solution applies the total of our expertise and insight to every challenge posed by customers across a range of jobs. If professionalism, trust, and efficiency are important elements in your next job, SIGMA Mechanical Services is the answer. Established in 1982. The owner, Dave Tucker after owning a commercial HVAC company for many years decided a quality residential/commercial mechanical services company was needed. He had numerous requests to service additional clients at his high standards. Dave opened Sigma Mechanical Services with the intent to offer a full service company that provided professionalism, trust and efficiency. Dave is a graduate of Boston College and a member of Alpha Sigma Nu the National Jesuit Honor Society. The true meaning of Sigma is the sum of all professionalism, trust, efficiency, quality and reliability and that is what we strive for.

Services Offered

  • Outlets & Switches
  • Switch
  • Generator Install
View all
Heating and Cooling
  • Central A/C Install
  • Central A/C Repair
  • Central Humidifier Install
View all
  • Water Heater Repair
  • Shower/Tub
  • Sewer Main Replace
View all

Water Heaters
  • Water Heater Repair
  • Water Heater Install
  • Shower Heat