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.

“As General Contractors we make a commitment to our clients to provide outstanding work in a timely manner. We value our relationship and carry out a promise of excellence in service. In fulfilling this commitment, we surround ourselves with the best subcontractors in the industry. MSI Mechanical is among the best in commercial mechanical services. Together we recently completed a job for Cisco. The complete reconstruction of an existing data hall and modification to the building infrastructure in Lab #1305 at Building 300 was a highly technical project with an extremely aggressive schedule.”

— Paul Votze, President
Votze Butler Associates

Get started with MSI, today.