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).

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Contact us today for FREE advice and a FREE estimate

We now offer customer residential financing. Click here for more information.

We have business financing available also. Contact Brian Lewis from Ascentium Capital. or call him at 281-883-5061.
Tell him All Phases sent you to get a discount!.

Serving Eastern Massachusetts: Carver, Plymouth, Boston, Cape Cod, Kingston, Middleborough, Plymouth, South Shore, Duxbury, Franklin, Sharon, Brookline, Newton, Mattapoisett, Attleboro, Attleboro Falls, North Attleboro, Taunton, Bourne, Mashpee, Sandwich, Marshfield, Easton, Fairhaven and more. We cover Bristol, Norfolk, Suffolk, Plymouth, and Barnstable Counties!



All Phases Mechanical has been providing and servicing heating and air conditioning to South Shore residents and businesses Since 1985. We service everything we sell (and those we don't sell) and all of our service technicians are seasoned veterans with training AND experience.
  • All Phases Mechanical offers annual preventative maintenance (PM) packages for homes and businesses. PM, including changing filters, is key to maintaining low energy costs.
  • We can assist you with natural gas and Cool Smart rebates & tax credits.
  • You could save up to 30-60% on your gas and electric bills by using a 2-stage gas valve furnace with an ECM motor (variable speed blower) at a 95% gas furnace efficiency rating. That means that for every $1 you spend, 95 cents goes directly into heating your home and only 5 cents is wasted out the flue pipe! (We also have a 98% gas furnace line.)
  • The All Phases Mechanical team includes plumbers, electricians, and sheet metal mechanics - over and above our standard HVAC guys.
I would like to take this opportunity to
highly recommend All Phases Mechanical.

My furnace stopped working on New Years Eve 2013, and no one would help me. All Phases Mechanical was committed to getting me heat on New Year's Day 2014.

Everyone involved worked long hours to ensure I had heat by the end of the day just before the snow storm. This was a great team effort displayed by the entire staff of All Phases Mechanical. This is a company you definitely want to hire. I thanked many of them individually, and they all said, "It is all part of the job".  They left a truly positive impact on a desperate customer. I am so happy and warm, because I found them!!!                                   

                   - Eileen S.                             



The All Phases Mechanical team sells, installs and services a variety of top quality, reputable home and business heating solutions, A/C services and more:

Heating - Residential & Commercial Offices
Furnaces - Oil Furnaces and Oil Boilers

Furnaces & Heating - Gas Furnaces and Gas Boilers

Water Heaters - Oil, Gas and Electric
Air Conditioning  and Cooling Services
Air Conditioning Condensers & Coils


Click to Contact Us - We're ready to help!


We use the top brands and manufacturers:
American Standard - Armstrong - Bryant - Carrier - Coleman
Crown - Ducane - Goodman - New York Thermal - Peerless
Trane - Weil-McLain - Navian - York


Check out our Pre-Pay Specials


In Business Since 1985!

Don't be swayed by the new guy on the block who's suddenly decided to offer HVAC work. We've been in business Since 1985 and have the references and testimonials to prove it.

Contact the All Phases Mechanical team to
get the job done on budget and on time!

Click to Browse Hundreds of Testimonials!

I just wanted to thank you for your help in getting a tech out to my house to restore my heat today. Sean did an incredible job...already a plumber and a propane company tech said they could do nothing until the water in the crawl space was pumped out. While I was waiting for another company to come pump out the water (they never arrived) Sean worked around the water, on a wet, dirt floor in an impossible crawl space and fixed the multiple problems. We want to use him for some more work in the condo association. The price was extremely reasonable and I could not be happier. You fixed in one day what I had been told would take multiple days to resolve and I will sleep with heat again tonight.
S. Roan, Plymouth, MA 

Great Service, Fair Price. Communication between the office and the workers was effortless. All Phases Mechanical had the best customer service of any company I have ever worked with. They came quickly with-in the time frame promised. I have already referred them to two other people and will continue to do so!
- S. Elliot, Plymouth MA

Read more Testimonials

Contact us today for FREE advice and a FREE estimate

All Phases Mechanical is a HomeAdvisor Service Award Winner

The All Phases Mechanical team sells, installs and services a variety of top quality, reputable home and business heating solutions.
We serve the following areas and more!  Don't see the name of your town below?  Contact us to learn about our coverage areas!
Boston HVAC Systems
Boston HVAC Companies
Boston Air Conditioner Installation
Boston Central AC
Boston Heating Repair
Middleborough HVAC Systems
Middleborough HVAC Companies
Middleborough Air Conditioner Installation
Middleborough Central AC
Middleborough Heating Repair
Plymouth HVAC Systems
Plymouth HVAC Companies
Plymouth Air Conditioner Installation
Plymouth Central AC
Plymouth Heating Repair

To request more information or to set up an appointment for an estimate, please contact us.  Call anytime 24/7 - We're here for you!

Kingston HVAC Systems
Kingston HVAC Companies
Kingston Air Conditioner Installation
Kingston Central AC
Kingston Heating Repair
South Shore HVAC Systems
South Shore HVAC Companies
South Shore Air Conditioner Installation
South Shore Central AC
South Shore Heating Repair
Cape Cod HVAC Systems
Cape Cod HVAC Companies
Cape Cod Air Conditioner Installation
Cape Cod Central AC
Cape Cod Heating Repair
Carver HVAC Systems
Carver HVAC Companies
Carver Air Conditioner Installation
Carver Central AC
Carver Heating Repair

Serving Eastern Massachusetts:

Abington, Abington, Accord, Acushnet, Allston, Assonet, Attleboro, Attleboro Falls, Avon, Babson Park, Barnstable, Bellingham, Berkley, Boston, Braintree, Brant Rock, Brewster, Bridgewater, Brockton, Brockton, Brookline, Brookline Village, Bryantville, Buzzards Bay, Canton, Carver, Cataumet, Centerville, Charlestown, Chartley, Chatham, Chelsea, Cohasset, Cotuit, Cummaquid, Dartmouth, Dedham, Dennis, Dennis Port, Dighton, Dover, Duxbury, Duxbury, Duxbury, East Boston, East Bridgewater, East Dennis, East Falmouth, East Freetown, East Mansfield, East Sandwich, East Taunton, East Walpole, East Wareham, East Weymouth, Easton, Elmwood, Fairhaven, Fairhaven, Fall River, Falmouth, Forestdale, Foxboro, Franklin, Green Harbor, Greenbush, Halifax, Hanover, Hanson, Harwich, Harwich Port, Hingham, Holbrook, Hull, Humarock, Hyannis, Hyannis Port, Hyde Park, Jamaica Plain, Kingston, Lakeville, Manomet, Mansfield, Marion, Marshfield, Marshfield Hills, Marstons Mills, Mashpee, Mattapan, Mattapoisett, Medfield, Medway, Middleboro, Millis, Milton, Milton Village, Minot, Monponsett, Monument Beach, Needham, Needham Heights, New Bedford, Newton, Norfolk, North Attleboro, North Carver, North Chatham, North Dartmouth, North Dighton, North Easton, North Falmouth, North Marshfield, North Pembroke, North Scituate, North Weymouth, Norton, Norwell, Norwood, Ocean Bluff, Onset, Osterville, Pembroke, Plainville, Plymouth, Plympton, Pocasset, Quincy, Randolph, Raynham, Raynham Center, Readville, Rehoboth, Revere, Rochester, Rockland, Roslindale, Sagamore, Sagamore Beach, Sandwich, Scituate, Seekonk, Sharon, Sheldonville, Silver Beach, Somerset, South Carver, South Chatham, South Dartmouth, South Dennis, South Easton, South Harwich, South Walpole, South Weymouth, South Yarmouth, Stoughton, Swansea, Taunton, Taunton, Taunton, Walpole, Wareham, Wellesley, Wellesley Hills, West Barnstable, West Bridgewater, West Chatham, West Dennis, West Falmouth, West Harwich, West Hyannisport, West Roxbury, West Wareham, West Yarmouth, Westport, Westport Point, Westwood, Weymouth, White Horse Beach, Whitman, Winthrop, Woods Hole, Wrentham, Yarmouth Port, and more.

We cover Bristol, Norfolk, Suffolk, Plymouth, and Barnstable Counties!

Some of the area zip codes we cover:

02018, 02020, 02038, 02040, 02041, 02047, 02050, 02051, 02059, 02061, 02065, 02066, 02067, 02302, 02303, 02304, 02305, 02325, 02327, 02330, 02331, 02332, 02332, 02333, 02337, 02338, 02339, 02340, 02341, 02344, 02345, 02346, 02347, 02348, 02349, 02350, 02351, 02355, 02358, 02359, 02360, 02361, 02362, 02364, 02366, 02367, 02370, 02375, 02379, 02381, 02382, 02445, 02446, 02447, 02458, 02532, 02534, 02536, 02537, 02538, 02540, 02541, 02542, 02543, 02553, 02556, 02558, 02559, 02561, 02562, 02563, 02565, 02571, 02574, 02576, 02630, 02632, 02634, 02635, 02636, 02637, 02644, 02648, 02649, 02655, 02668, 02672, 02702, 02703, 02717, 02718, 02719, 02738, 02739, 02740, 02741, 02742, 02743, 02744, 02745, 02746, 02747, 02760, 02761, 02762, 02763, 02766, 02767, 02768, 02770, 02779, 02780, 02783
and many more!


Your Premier Contractor for Heating, Cooling and HVAC - Design, Installation, Repairs, Service, Electrical and Plumbing Work - Residential or Commercial



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