Denommee Plumbing, HVAC & Electric

About Us

In 1999, third-generation Master Plumber Guy Denommee and his wife Carin launched Denommee Plumbing, HVAC & Electric, growing from a single truck operation into an award-winning team with over 80 employees and a GPS-dispatched fleet of more than 50 service vehicles. Today, Guy leads the company as CEO, while his nephew Ben Adams, a fourth-generation plumber, serves as President, continuing the family tradition of expertise and service excellence.

At Denommee, family isn’t just a part of our history—it’s part of our team. Multiple family members, including fathers and sons, brothers, and Guy’s own sons, as well as his brother Gerard Denommee, contribute to the success of the company.

With more than 100 years of combined experience, our focus remains the same: to enhance comfort, safety, air quality, and energy efficiency for homes and businesses across Massachusetts and Southern New Hampshire. We take pride in upholding the same honesty, integrity, and quality workmanship that has defined the Denommee name for over four generations.