All Phases Mechanical has been providing and servicing heating and air conditioning to South Shore residents and businesses for over twenty five years.  We service everything we sell (and those we don't sell).


All Phases Mechanical maintains a full YouTube page, and it's constantly being updated with videos of both our HVAC work, as well as the work we're called in to repair, replace, or to "finish the job correctly" when another contractor was hired before us for Heating or Cooling work.

Check out our videos below, or visit the All Phases YouTube Page at:

Video Testimonial #1:
The first Video Testimonial received is from Len Petitpas of Supreme Construction in Holbrook, MA. Mr. Petitpas discusses the West Elm Terrace Condominium Project in Brockton, MA.

Video Testimonial #2:
Our second Video Testimonial is from Tom Robinson of
Plymouth, MA.

Video Testimonial #3:
The third Video Testimonial received is from John of Hanover, MA. All Phases was able to find the solution to a problem with John's air conditioning unit that other companies couldn't find.

JOB NAME: Commercial AC Installation - Lindsey's Restaurant in Wareham, MA

Work Completed: We recently installed new commercial AC units at Lindsey's Restaurant in Wareham. The installation began at 5:15am and was completed by 6pm that evening. This video captures action from throughout the day, including lifting the 10 and 15-ton AC units by City Crane and patching up the roof by Above the Norm Roofing. All Phases Mechanical takes care of all aspects of the job, using subs such as master electricians, plumbers, and roofers. We do 90% residential work, but also do commercial HVAC repairs and installations throughout New England.

JOB NAME: Mayflower Congregational Church
Kingston, MA

Work Completed: Back in 2004 we met with Peter C. from Mayflower to quote two 5 ton Coleman central AC systems, custom designed fully insulated duct systems, refrigeration, wiring, two new Robertshaw seven day programmable thermostats, and all registers and return grills for the church. He said they were fund raising for the project, and called us back 4/2011 to ask if we would do the job for the same price. We said yes and started and completed within 3 weeks and as of 5/20/2011 the job is running and the church is cool.

JOB NAME: O'Donnell-Kingston, MA

Work Completed: Installation of Coleman 5 Ton /14.5 SEER Condenser, ECM Motor ,V speed blower/Air handler, Custom Designed Central AC ,Custom Designed Fully insulated duct system, registers, carpentry (to box in duct work) and sheetrock and plaster hole from old whole house fan we removed, refrigeration piping, drain, registers, and rebate assistance, 2 year all labor, 10 Parts +++

All Phases Mechanical was called in after the previous HVAC contractor was fired on this Central Air Conditioning installation. Watch and see how the previous HVAC contractor left the customer's home......the video shows just some of the many problems that All Phases found. Then, watch as the All Phases team takes action to fix the previous contractor's mistakes

Watch the video of how All Phases Mechanical rescued this homeowner after a previous HVAC contractor was fired
from the job. 
View the Case Study of the Gregg Project

Follow All Phases Mechanical as we clean up the mess left by a big name heating contractor.
View the Case Study of the Tiernan Project


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Your Premier Contractor for Heating, Cooling and HVAC - Design, Installation, Repairs and Service