About Us

Daniel T. Callahan

Daniel T. Callahan


Over the years, Bedford Mechanical has earned an outstanding reputation for quality, service and value. Our technicians are certified in repair and installation of heating, ventilation, air conditioning and air quality systems.


  • Serving Eastern Massachusetts since 1971
  • OSHA Safety Certified Technicians
  • Licensed, Bonded and Insured
  • FREE Estimates for replacing HVAC Systems (Only) No obligation (call 781- 275-1668 to schedule)


Commercial HVACFounded in 1971 by Daniel T. Callahan, Bedford Mechanical started as a heating and air conditioning service company. Over the years, Mr. Callahan’s reputation as a dependable and honest businessman attracted the attention of major HVAC equipment manufacturers.  his business quickly grew from customer and vendor referrals.  Today, still family owned and operated, Bedford Mechanical represents several leading manufacturers and services the needs of residential and commercial HVAC customers throughout the Eastern Massachusetts and the Southern New Hampshire area.


Commercial HVACAt Bedford Mechanical, we work hard to make sure our customers are completely satisfied.  Our Satisfaction Guarantee includes priority service for existing customers; no charge for covered labor and parts per the manufacturer’s written warranty; and 1-year parts and labor warranty after the date of installation (New Installation Only) by Bedford Mechanical professional, certified service technicians.