
Scarborough, Maine · Since 2017
Commercial HVAC/R, engineered and built right.
An engineer-led mechanical contractor for Southern Maine healthcare spaces, restaurants, schools and commercial buildings.
Need service now? Call 207-289-6000.
Sacred Profane, Biddeford · Photo by Powers Media House, courtesy of M.W. Hoss Construction
Trusted by Maine businesses and builders
Led by a Professional Engineer · 20+ Person Team · Serving Southern Maine
What we do
Commercial
→Rooftop units, heat pumps, boilers, cold rooms and ventilation, designed for how your building runs.
Industrial & Process Cooling
→Chillers, glycol piping, steam and controls for breweries, distilleries and production spaces.
Service & Maintenance
→Repairs, emergency calls and preventive maintenance that keep systems running.
Our Work
From dental offices to production floors, we’ve worked in a space like yours.
What our clients say
Mash has done a few projects for us. They are responsive when we've had questions and the quality of work has been excellent.
Peter Heggeman
For general contractors & architects
The mechanical sub you don't have to chase.
Dependable schedules, clean trade coordination and systems your client's team can actually maintain. We read the drawings closely, ask questions early and show up when we say we will.
Invite us to bid →“If you have complex commercial HVAC controls, equipment, ductwork, or overall coordination issues, Mash is the team you want on site. They are professional, solution-oriented, and genuine masters of their craft. Mash is my first choice for an HVAC trade partner.”
Built with
Our core values
Do what's right.
Mash Mechanical started in 2017 to do HVAC/R the right way. We've grown since then into mostly commercial work, but three things haven't changed:
Do what's right.
Enjoy what you do.
Be better everyday.
Now hiring techs
Join our team.
$30–$50 an hour, fully paid medical, and new vans.
Got a project?
Send us the scope, the schedule and whatever drawings you have. We typically respond within one business day.


















