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We are there when you need us, ready to take care of any problem that you may have with your plumbing systems. We know your time is valuable.
DiDonato Mechanical is run by a 3rd generation registered master plumber



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DiDonato Mechanical donates to the following charities:


In addition to providing quality plumbing services, we enjoy getting involved in our community.

To learn more about our community and philanthropic efforts click here

Emergency service immediate response.
In order to provide the best service,  your call will be answered by the owner who will quickly respond to your emergency situation.  In the event that you have to leave a message, we will respond quickly.  We know that plumbing problems occur at all hours and that’s why are always here for you with our emergency service.

Didonato Mechanical Work Truck #3

Since 1951, DiDonato Mechanical has offered quality plumbing services to Philadelphia/Delco/Chesco/Montco counties. DiDonato Mechanical is a licensed and insured company.  We are highly trained technicians who  offer professional service and exceptional results on a personal level. Our Emergency Service means that your home will receive the care it needs any day of the week, at any time.

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40 Gallon HOT Water Heater
Starting at 895.00 Installed!!!

serving Delaware, Montgomery, Chester and Philadelphia counties :
Philadelphia, Aston, Aldan, Brookhaven, Broomall, Bryn Mawr, Chadds Ford, Chester Heights, Cheyney, Clifton Heights, Concordville, Crum Lynne, Drexel Hill, Edgemont, Essington, Folcroft, Folsom, Garnet Valley, Glen Mills, Glen Riddle, Lima, Glenolden, Gradyville, Havertown, Holmes, Lansdowne, Lenni, Media, Morton, Newtown Square, Norwood, Prospect Park, Ridley, Ridley Park, Sharon Hill, Springfield, Swarthmore, Thornton, Upper Darby, Villanova, Wallingford, Wayne, Woodlyn, Berwyn, Devon, Downingtown, Elverson, Exton, Glenmoore, Malvern, Mendenhall, Modena, New London, Oxford, Paoli, Phoenixville, Thorndale, Unionville, West Chester, Valley Forge, Westtown, Abington, Ambler, Arcola, Ardmore, Audubon, Bala Cynwyd, Blue Bell, Bridgeport, Bryn Athyn, Cheltenham, Collegeville, Conshohocken, Dresher, Eagleville, Earlington, Elkins Park, Fairview Village, Flourtown, Fort Washington, Gladwyne, Glenside, Gwynedd, Gwynedd Valley, Hatboro, Haverford, Horsham, Huntingdon Valley, Jenkintown, King of Prussia, Lafayette Hill, Merion Station, Merion, Upper Merion, Lower Merion, Mont Clare, Narberth, Norristown, Oaks, Plymouth Meeting, Pottstown, Royersford, Belmont Hills, Wyncote, Wynnewood, Bensalem, Bristol, Croydon, Fairless Hills, Feasterville, Trevose, Fort Washington, Langhorne, Morrisville, Southampton, Warminster, Warrington

Quality Work Done Right The First Time!

At DiDonato Mechanical, we understand the personal nature of inviting a plumber into your home,
so we’d like to tell you a little about who we are and introduce you to our company.

DiDonato Mechanical takes the plumbing industry to the next level, utilizing a professional, friendly, customer-centered approach.

DiDonato Mechanical has 25yrs. experienced in the trade, a 3rd gen. Master Plumber, Knowledgeable in all Plumbing, Heating and Air Conditioning service and installations.  

 We use a Nationally recognized training program that is considered the best in the industry, that means you get the best possible trained techs the industry has to offer, We Do It Right the First Time!
If you're tired of unskilled labor doing work in your home, give us a call.

A full service company assists residential customers with sewer/drain clogs, garbage disposals, water heaters, water filtration, steam and hot water boilers, thermostats, leaky faucets, tub valves, gas pipes, appliance installation, outside hose faucets, Chimney Liners, Forced Air Systems/HVAC

At Your Service At Any Time ... just call 484-645-7076

"Ask about hydronic radiant floor heat" 


Review by Frank S. in Jeffersonville, PA
Install a Natural Gas, Propane or Electric Fired Boiler or Radiator Heating System
A very pleasent experience! Carl Di Donato was very professional and down to earth. Outstanding work!

Review by a Neighbor in North wales, PA
Project: Install or Replace a Bathtub
worked with me to finish project under budget

Review by John B. in Perkiomenville, PA
Project: Install a Tankless Water Heater System
I decided not to go with the tank-less water heater, however DiDonato was quick to respond was helpful in providing information I requested and continued to followup and was very responsive to my every request.

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Our Most Common services

  • Clear clogged sinks, toilets, pipes, & sewers
  • Bathroom repairs & installations
  • Water heater repair and replacement
  • Gas piping & connections
  • Steam and forced hot water heating
  • Drain and Water piping inside your home
  • Kitchen and Bath Faucets
  • Toilets
  • Fix & install pipes
  • Repair leaks
  • Provide gas connection to appliances
  • Back flow prevention assembly installation and testing.
  • Chimney Liners
  • Tankless Hot water Heaters
  • Radiant Heated Flooring
  • Forced Air Systems/HVAC
  • Steam Heat
  • Renovations
  • Appliance installation
  • Outside hose faucets
  • Water filtration
  • Garbage disposals
  • Service and repair on all makes and models (even that old one in your basement!)
  • Installation of a wide range of equipment based on application, size, operating efficiency, and price range.
  • Specializing in residential work
  • We install humidifiers to reduce energy consumption, increase comfort, improve air quality, and help to reduce colds during the heating season.
  • All of our work is done up to local and national codes
  • All of our installations are done to industry standards or greater
  • We maintain what we install
  • Trained and able to install  the latest state of the art high efficiency equipment
  • We have money saving, zone cooling solutions for any home (even if there is an existing heating system. Including radiators!
At Your Service At Any Time ... just call 484-645-7076

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