Our Services

H.I.M. Mechanical Systems offers a wide range of residential and commercial HVAC services, from installation to repair. We also offer maintenance programs, which include regular inspections and preventative care.

We are official contractors of Carrier and Luxaire.

Air Conditioning

We offer installation and repairs on Central AC and ductless systems, featuring brands such as Carrier and Daikan.


We provide installation of heat pumps, boilers, and gas furnaces, and we repair all variety of heating systems.

Indoor Air Quality

We offer several products to improve your indoor air quality by reducing and filtering out odors and vapors, biological contaminants, and particulates.


We specialize in ventilation for commercial applications, such as kitchen exhaust systems and mechanical room ventilation.

Commercial Refrigeration

From walk-in coolers and freezer boxes to display coolers and ice makers, we can handle all of your commercial refrigeration needs.

Data Centers & Clean Rooms

Massachusetts is an ever-growing hotbed of high-tech facilities. Trust H.I.M. with your specialty HVAC requirements.


Properly-sized ductwork provides balanced air flow to your home or workspace, as well as savings in your energy bill.


HVAC maintenance programs for both residential and commercial customers. Our programs include regular inspection and cleaning, preventative maintenance, and repairs, if necessary.