Founded in 1996, Main Stream Mechanical is a full-service plumbing, heating, and air conditioning, professional contractor. Customer service and satisfaction are the cornerstones our of business. We are dedicated to providing honest, prompt, and courteous service.  

Our technicians have over sixty years of combined experience in the fields of HVAC and plumbing. Our team participates in extensive training programs specific to each license they hold as well.

Ongoing product training is also an integral part of Main Stream Mechanical's endeavor to be well-versed in the operation, repair, and installation of each brand of equipment we install. Our technicians are experts in the installation and maintenance of high-efficiency equipment.

Licensed and insured, we operate in the states of Massachusetts and New Hampshire. Our professional service teams include Master and Journeyman Plumbers and Gas Fitters who are dedicated to providing exceptional service.