Tel: 973-884-5000 Blog & News Careers Contact Us About Us Services Certifications Our Technicians Case Studies Diagnostics 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. Blog & News MSC Projects & News Blog Screamers By Pete McGrath Halloween season just passed, with all its thrills and chills, but this is a different kind of “screamer”. A... [continue reading] At MSC We Live In The Middle By Pete McGrath Direct digital controls, or DDC, is a language in and of itself, spoken by those who perceive things... [continue reading] Commissioning Preflight by MSC Salvages Project Schedule Mechanical Service Corporation was referred to a new client that had an unusual situation arise during construction of their large,... [continue reading] VFDs and Motor Shaft Voltage Variable frequency drives (VFDs) that are used to control the speed and output of motors can generate harmful electrical currents... [continue reading] Fall is Here: Get Ready for Heating Season As summer turns to fall and we make the transition from cooling to heating, now is the time to make... [continue reading] Standard vs. Mission Critical: Know Your HVAC System Needs Cleanroom temperature and humidity were fluctuating wildly during system commissioning on a recent laboratory construction project, and the installing contractor’s... [continue reading] Case Studies MSC was called upon to perform testing on a steam-fired, semi-instantaneous potable water heating system at a large vivarium facility. Reported problems in the system serving cage washers, point-of-use sinks and hose bibs included constant rapid cycling of steam valves, erratic temperature control, failure to reach specified temps, and over-temperature relief on flow shutdowns. Extensive testing on pneumatic controls and the three-way mixing valve led MSC to the source of the problems. R & D Laboratory: Unstable Heat Recovery Units A 350,000 sq. ft. R & D laboratory reported unstable operation of a heat recovery unit equipped with a vortex inlet (VI) damper as the method of volume control. Further, the building management system (BMS) was unable to provide a stable negative static pressure condition in the exhaust duct upstream of the HEPA filter bank. Over the course of a week of diagnostic testing and analysis, during which the issue was discovered in multiple HRUs, MSC provided extensive documentation identifying fan selection as the issues' root cause. View Diagnostic Report Multiple HVAC Issues Plague Newly-Opened School A newly-constructed Hudson County, NJ school was granted a Temporary Certificate of Occupancy at substantial completion, allowing it to open at the beginning of a new school year. Staff and students immediately complained of comfort issues throughout the 100,000 sq.-ft. school, and local officials signaled that a final CO would not be granted until the problems were resolved. When project subcontractors denied responsibility and began pointing fingers, MSC was called in to perform an extensive evaluation of the HVAC system. View Diagnostic Report Inadequate Airflow on Multi-Phase Hospital Renovation Project MSC was retained at a four-story Northern New Jersey hospital that had been renovated in three phases over the course of several years. Upon completion of the final phase, an air volume shortage was detected when system balance reports indicated the system was providing just 60% of the 50,000 CFM specified in the design. MSC's assignment was to confirm or disprove the low volume condition, determine the cause, and provide recommendations for corrective measures. View Diagnostic Report Next Experts in Diagnostics Heating Ventilation Air Conditioning Preventive Maintenance Mechanical Service Corporation | 41 South Jefferson Road | Whippany, NJ 07981 | Tel: 973-884-5000 Diagnostics | HVAC | Air & Water Balancing | Commissioning | Building Automation | Preventive Maintenance | Retrofit / Replacement Capabilities and Industries Served © 2021 All Rights Reserved