A Local Company with a Big Reputation

Special ProjectsEmergency Services

Plumbing • HVAC • Fire Protection Systems •  Special Projects • 24/7 Services

E.M. Duggan is a fifth generation, family-owned business long respected for expertise in plumbing, HVAC, and fire protection. With a bonding capacity of up to $450 million, we have the ability to secure projects of any size and scope. Backed by over 125 years of experience and quality craftsmanship, we complete all of our jobs safely, correctly, on time, and with pride. We firmly believe that our client relationships are as important as our mechanical services. At E.M. Duggan we don’t just build mechanical systems, we build lasting relationships.


Green Building Council ASM – Associated subcontractors of MA Mass Building Congress ACE – Architects NEMCA Green Mechanical Council PHCC