Sigma Mechanical Services — Marshfield MA

Business Overview

Sigma Mechanical Services Marshfield MA is a licensed, fully insured mechanical services company serving homes and businesses across the South Shore. Established in 2005, the firm handles heating, air conditioning, refrigeration, and plumbing for both residential and commercial customers. The crew includes trained, NATE-certified technicians who perform installations, regular maintenance, and emergency repairs when cold snaps or Nor'easters cause trouble.

Emergency service is available. Calls for heater breakdowns, frozen pipes, or generator failure are treated with urgency. Work is scheduled to fit busy homeowners and local businesses in coastal and inland communities.

Key Services

• Electrical & Generators: Electric installation and replacement, electric repair, generator installation, and generator repair. Ideal for homes that need backup power during coastal storms.
• HVAC: HVAC installation or replacement, system repair, and routine maintenance. Sigma Mechanical Services Marshfield MA installs Carrier and Mitsubishi systems and performs service to keep units running through humid summers and cold winters.
• Plumbing: Plumbing inspection and diagnosis for older Colonial homes and newer builds. Small repairs and recommendations for larger upgrades are provided with clear estimates.

Areas Served

Service area includes Marshfield MA, Scituate MA, Pembroke MA, Rockland MA, Hanover MA, Duxbury MA, Kingston MA, Norwell MA, Hanson MA, Cohasset MA, Ocean Bluff Brant Rock MA, North Scituate MA, South Duxbury MA, North Plymouth MA, North Pembroke MA, Green Harbor Cedar Crest MA, and Marshfield Hills MA.

Company History

Dave Tucker opened Sigma Mechanical Services in 2005 after years running a commercial HVAC firm. He noticed local homeowners and small businesses needed service done to consistent standards. The company grew from a small crew to a team able to handle new construction and existing systems throughout the South Shore.

Sigma Mechanical Services Marshfield MA is a Carrier Factory Authorized Dealer and a Mitsubishi Diamond Contractor. These partnerships, along with licensed technicians, support long-term performance for heating and cooling equipment in salt-air environments.

Leadership

Owner Dave Tucker brings commercial and residential experience to each job. A Boston College graduate and member of Alpha Sigma Nu, Dave built the business on punctual work, clear estimates, and local ties. The company hires trained technicians and invests in continuing education to keep skills current.

Specialties & Highlights

• NATE-certified technicians for reliable HVAC diagnosis and repair.
• Factory-authorized Carrier service and Mitsubishi Diamond Contractor status.
• Generator installations tailored for coastal power challenges and emergencies.
• Service options for both older Marshfield cottages and newer construction projects.

Why Locals Choose Sigma Mechanical Services

Residents and business owners hire Sigma Mechanical Services for steady, practical results. The company offers clear pricing, prompt emergency response, and technicians who know local building types and weather patterns. With years on the South Shore, the team balances experience with a hands-on approach homeowners can rely on.

Hours

Mon–Fri: 8:00 AM – 4:30 PM. Weekends: closed. Emergency repairs available outside regular hours.