HVAC Services Marshfield MA | Call Sigma Mechanical Services
25 Rockwood Rd, Marshfield, MA 02050
Services Offered
- Electric repair
- Generator repair
- HVAC system repair
- Generator installation
- HVAC installation or replacement
- Plumbing inspection
- HVAC system maintenance
- Electric installation or replacement
Common Questions
My boiler in Marshfield stopped working. Can you help, and how quickly?
Absolutely. Boiler breakdowns are a common issue in our area, especially during our cold seasons. As a full-service heating company, our NATE-certified technicians are trained to diagnose and repair all boiler makes and models. We offer prompt emergency repair services to get your Marshfield home's heat restored as quickly and safely as possible.
What does being a Carrier Factory Authorized Dealer mean for my HVAC installation?
It means you're getting direct-from-the-manufacturer expertise and support. This designation, along with our status as a Mitsubishi Diamond Contractor, signifies that Sigma Mechanical Services meets stringent standards for training, installation, and customer service. When we install a Carrier or Mitsubishi system in your home, you receive a proper installation backed by factory-authorized warranties and our own commitment to quality.
Do you offer maintenance plans for my home's HVAC and plumbing systems?
Yes, we provide comprehensive maintenance services for HVAC and plumbing systems. Regular maintenance is key to preventing unexpected breakdowns, improving efficiency, and extending the life of your equipment. Our scheduled maintenance checks can help Marshfield homeowners manage common issues like thermostat malfunctions before they lead to a complete system failure, ensuring comfort and reliability year-round.
Company Background
Founded in 2005 by Dave Tucker, a Boston College graduate with deep roots in commercial HVAC, Sigma Mechanical Services was created to fill a need for high-standard mechanical services on the South Shore. Based in Marshfield, MA, Sigma brings together professionalism, trust, and efficiency to form a complete service solution for local homes and businesses. As a Carrier Factory Authorized Dealer and Mitsubishi Diamond Contractor, their NATE-certified technicians specialize in heating, air conditioning, plumbing, and generator services—from installation to emergency repair. The company's philosophy, embodied in its name, is to be the sum total of quality and reliability for every residential and commercial project.
Business Location & Hours
| Mon: | 8:00 AM - 4:30 PM |
| Tue: | 8:00 AM - 4:30 PM |
| Wed: | 8:00 AM - 4:30 PM |
| Thu: | 8:00 AM - 4:30 PM |
| Fri: | 8:00 AM - 4:30 PM |
| Sat: | Closed |
| Sun: | Closed |








