Preferred Mechanical Services has been a trusted commercial HVAC/R service provider for more than 25 years for commercial, institutional, industrial, and municipal clients throughout the Boston area.

Annual maintenance agreements from Preferred Mechanical Services keep your heating, air conditioning, ventilation, and refrigeration systems operating at peak efficiency, preventing utility overpayment and averting system failures through preventive maintenance that can help extend the life of your HVAC/R system. To improve efficiency and help ensure reliability and long life, preventive maintenance agreements include scheduled inspections and maintenance of your heating, ventilation, air conditioning, and refrigeration system.Preferred Mechanical Services works with you to develop a custom plan to protect your building and investment. Maintenance tasks, frequency of checks, duration of contract, and even the supplying of materials is all custom tailored to your specific needs, as Preferred Mechanical has an intimate understanding how no two buildings, or building occupants, are identical.

In addition to the peace of mind that comes from knowing your equipment is running at peak efficiency, should service repair requests arise, annual maintenance customers benefit from prioritized service request response, as well as lower repair parts and labor costs.