• Diagnostics
    Delivering permanent solutions that
    have proven elusive for others
  • HVAC
    MSC, the Go-To Guys for complex problem solving
    and peak system performance
  • Air and Water Balancing
    Air & Water Balancing
    Saving energy and resolving the problems others
    have created, missed or ignored
  • Retro Commissioning
    Retro Commissioning
    Improving the efficiency of an existing buildings
    equipment, systems and performance
  • Building Automation
    Building Automation
    Knowledge and innovation for a custom
    solution that's guaranteed
  • Preventive Maintenance
    Preventive Maintenance
    Facilities that practice regular preventive
    maintenance use up to 30% less energy
  • Retrofit
    Retrofit / Replacement
    Improving existing buildings with
    energy efficient equipment
  • IAQ header
    Indoor Air Quality (IAQ)
    Helping clients achieve a cleaner, healthier indoor environment
  • Design / Build header
    Design / Build
    Design-build solutions that are guaranteed.

MSC is not your typical mechanical contractor

We are a service subspecialist in the technical intricacies of HVAC, process cooling, and building automation systems in commercial, industrial, and institutional environments. MSC is recognized as the leading industry expert in solving elusive problems and attaining peak performance from clients' mechanical equipment and overall systems.

Our Services

MSC provides a full range of services and rapid 24/7 emergency response for clients both large and small.

  • Diagnostics and Repair
  • Testing, Adjusting and Balancing (TAB)
  • Commissioning and Recommissioning
  • Building Automation
  • Retrofit and Replacement
  • Design/Build
  • Indoor Air Quality (IAQ)
  • Specialized Testing
  • Preventive Maintenance
View a comprehensive list of MSC's capabilities and industries served.


About MSC

Located in northern New Jersey, MSC is the only specialized contractor of our kind in the Northeast and Mid-Atlantic regions. We are MSCA STAR-qualified, NEBB-certified, fully licensed in electrical, plumbing, and HVAC. MSC technicians are the best-trained, most knowledgeable in our field and are supported by onsite engineering staff.

Tim Hartigan
Blog & News
MSC Projects & News Blog
Buyer beware: most HVAC manufacturers will only honor a warranty if your equipment has been properly maintained. If you haven’t...
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MSC was recently on a project in which the master schedule only allotted two days for startup of HVAC and...
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Recently, a search through some file storage boxes turned up an old Mechanical Service Corp. newsletter called MSC News and...
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Among the most important things, a premium service specialist like MSC can do for their clients is to make continual,...
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On January 1, 2020, production and import of ozone-depleting HCFC refrigerants, including the widely-used R-22, ceased in accordance with the...
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MSC gets involved every so often in projects where the type of HVAC unit required to exactly meet our client’s...
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Case Studies

Experts in
Heating Ventilation