Full-service mechanical contractor and facilities service provider for commercial, industrial & data center environments

Who We Are

MSI Mechanical Systems Inc. is a Salem, New Hampshire-based full-service mechanical contractor and facilities service provider for your Commercial, Industrial & Retail projects.

We know what it takes to successfully build and service your mechanical systems. Since 1995 we’ve been doing just that throughout New Hampshire and Massachusetts.

As your full-service contractor

We stand behind our name and bring our customers the highest quality installations.

 

New Hampshire and Massachusetts

Our office is conveniently located on the MA/NH border in Salem NH. Can’t make it into the office to meet? No worries – give us a call and we will come to you!

Our Services

  • Commercial Heating and Air Conditioning, Rooftop Units, Chillers, Split Systems, and Preventative Maintenance.

  • HVAC systems are critical for maintaining an operations environment for networking and computing equipment.

  • MSI Mechanical specializes in high-quality, cost-efficient mechanical HVAC system design-build engineering services throughout New Hampshire and Massachusetts including Boston.

  • MSI Mechanical offers commercial and industrial hot water piping configurations and systems.

  • MSI Mechanical is an expert in installing steam piping, gas line piping, and oil piping. We provide piping from large installations under initial development to smaller upgrades and expansions.

  • We offer custom commercial and industrial sheet metal fabrication, duct design work, and installation for all your rectangular and spiral duct fittings/air ducts for HVAC projects.

  • One Year HVAC Warranty Service Program, Standard Maintenance Program, Full Service HVAC Contract Program, Customized Heating & Cooling Maintenance, 24 Hour Emergency Service

  • MSI Mechanical Systems also offers other commercial and construction services.

“MSI's team was very professional on the job site and they worked well with all the subcontractors. They understood what needed to be done while keeping in mind that normal business was operating on premises. MSI's organization combined with their hard work ethic is something that I would like to have on all my job sites.”

Jim Doherty, President
JMD Construction Co.

Get started with MSI, today.