Preferred Mechanical Equipment Replacement & Service

Preferred Mechanical Services, is a commercial/industrial heating, ventilation, air conditioning, and refrigeration (HVAC/R) service and installation company serving the Boston area and based out of Pembroke, MA. Through their decades of experience, Preferred Mechanical has become an expert in the latest technology of indoor thermal comfort and indoor air quality for the very best environmental comfort.

Mechanical engineers, using the principles of thermodynamics, fluid mechanics, and heat transfer, are tasked with keeping safe and healthy building conditions, with respect to temperature, humidity, and indoor air quality.

Our goal is to supply a variety of building types with the most efficient and sustainable heating, ventilation, air conditioning, and refrigeration (HVAC/R) systems with world class installation, ongoing maintenance, and routine repair services.

Emergency? As a Preferred Mechanical Services customer, you have the comfort that is afforded by 24/7/365 Emergency Service. Our team has over 25 years of experience with trusted, trained, and professional tradesmen who are experienced with troubleshooting and quickly reacting to unexpected problems.

When you call our team, you will be able to speak with a representative immediately and have a technician dispatched to your business, regardless of the time you call: (781) 293-1200 x.204


  • Building Automation Systems – BAS
  • Variable Refrigerant Flow – VRF or VRV
  • Specialty Ventilation – Clean Rooms, Laboratories, etc.
  • Dehumidification
  • Cogeneration
  • Priority Service
  • Courteous, Expert Technicians (certified, licensed, bonded, insured)
  • 24/7/365 Emergency Hotline
  • Personal Attention (not a machine) when you call!