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 $300 million, we have the ability to secure projects of any size and scope. Backed by 120 years of experience and quality craftsmanship, we complete all of our jobs 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.


Boston Business Journal honors EM Duggan as a 2015 “Best Places to Work” winner.
E.M. Duggan ranks in the top 20 of mid size companies in the BBJ's 2015 Best Places to Work.

EMD 537 Pipefitters Volunteer for Saint Anthony's Shrine, Boston

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