MB Mechanical is pleased to have established long standing and successful project-based relationships with many well known Maine and New England-based companies. Clients include:

Ameresco Energy Services

Evonik Cyro

Bowdoin College


Sprague Energy

Maine General Hospital

University of Southern Maine

Oxus Environmental

Cozy Harbor Seafood

Cabot Cheese

Portland Public Schools

Stantec Consulting



University of New England

Florida Power & Light

New Hampshire Public Utilities Commission

City of Portland

FP&L Energy

Portland School District

The following list of successfully completed projects are prime examples of MB Mechanical Contractors' Qualifications:

Ameresco Energy Servcies
Framingham, Massachusetts
• Fabricated various stainless steel piping skids used  to extract landfill gas to be used as fuel source in  Woodland Meadows power plant
• City of Portland, Maine (EMC4): Performed boiler room energy upgrades to several schools and municipal buildings

Bowdoin College
Brunswick, Maine
• Installation of B&W 60,000 lbs/hr 300 psi D-type water tube boiler, including controlled demolition and disposal of existing 40,000 lbs/hr water tube boiler and 700 HP fire tube boiler
• Reconfigure piping in the 120,000 lbs/hr central heating plant including the installation of a new full capacity deareator and feedwater pumps
• Natural Gas conversions of Boilers #2 and #3
• Various large underground steam and condensate distribution projects including new service to Watson Arena and the replacement of the main line from Hubbard Hall to Coles Tower.
• Complete overhaul of (2) 40,000 lbs/hr B&W boilers including new tubes, refractory and casing.

Cabot Cheese
Middlebury, Vermont
• Complete overhaul including new tubes, refractory, inner/outer casing and piping on (2) 40,000 lbs/hr Nebraska water tube boilers. Installation of new 120,000 Ibs/hr deareator and feedwater pumps.

Maine General Hospital (Seton Campus)
Waterville, Maine
• Emergency replacement of entire boiler plant after catastrophic boiler explosion, including (2) new Hurst 300 HP 150 PSI firetube boilers and the controlled demolition and disposal of (2) existing Keeler water tube boilers.

Calpine (Westbrook Energy Center)
Westbrook, Maine
• Design and construction of new feedwater heating system for (2) 500,000 lbs/hr NEM Heat Recovery Steam Generators.

FP&L Energy (Wyman Station)
Yarmouth, Maine
• Install new #4 boiler Warm Standby System
• Install new feedwater heater for 4,400,000 lbs/hr Foster Wheeler steam generator