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Serving the Greater Delaware County

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24 Hour Service Available


Serving the Greater Delaware County

24 Hour Service Available


Request Service


Plumbing and HVAC Services in Newtown Square, PA

We’re Walsh Brothers Plumbing and Mechanical Services, Inc., and when it comes to plumbing and HVAC services, we know how tough it can be to choose a trustworthy contractor. We live in a world full of faulty installations, gimmicks, salesmen trying to upsell you with the most expensive parts, and it only leads to more and more frustration. We were founded in 1959 on the principle of providing the quick and quality service that the people of Newtown Square deserve. We’ve got a 100% satisfaction guarantee on all our services and we’re directly up-front about our pricing, because we know that there are affordable solutions for all homes and all budgets.

No subcontractors, no gimmicks, no hassles, just us. Fast-Friendly-Reliable.


The most important aspects of plumbing are your bathroom and kitchen. In Newtown Square, PA, you just want a plumbing service that will make sure your pipes function properly so your shower, toilet, sink, drains, and appliances will function adequately. This point is not up for negotiation. Gas piping, repiping, sump pump installations, it doesn’t matter what the work is- you need it done right and you need it done fast.

Emergency Plumbing

Emergency plumbing is necessary when your delicate piping system has issues. Plumbing problems don’t occur when they’re convenient or when you’d like them to. That’s why we pick up the phone 24/7 to offer service when you need it, where you need it. We don’t mess around, problems like water leaks, sewage backups, or overflowing toilets can be damaging to your home and your health. Don’t hesitate to call the pros on this one.

Drain and Sewer

Don’t let your witty uncle or your local Newtown, PA handyman work on your drain or sewer issue. Drain clogs can be damaging to your plumbing system and produce leaks. Why trust a handyman or a family member when we’re right here ready to hydro-jet your pipes and clear out any debris that might be caught? No matter the sink or drain size, we can clear it out for an affordable price that fits your budget.

Air Conditioning

Have you recently considered upgrading your air conditioning to a central air unit? Tired of those fussy window AC units that can barely cool off your bedroom? We’re the one stop shop for any AC upgrades you’d like to consider. Don’t think your house would fit the ductwork required for a central air AC? Don’t worry about it! We can get you started with a ductless mini-split to give you the comfort you deserve.


Newtown Square, PA gets cold in the winters. To anyone looking for standard heaters, like boilers, furnaces, or radiant heaters, we offer new installations, repairs, and maintenance plans. However, to those who’d like to take a step further, we have plenty of other options for anyone looking to change the efficiency or environmental impact of their heater. Systems like geothermal heating or ductless heat pumps will provide quality heating at a fraction of the energy cost.

Indoor Air Quality

In the hot and muggy Pennsylvania summers, humidity can be obnoxious. However, in the winters, when temperatures constantly drop around 20°, lack of humidity can actually increase the likelihood of someone getting sick. Mucus membranes dry out while viruses and bacteria have an easier time getting into your system. Let us install an air purifier or humidifier to protect you from the colds and flus that run rampant during the season.

Water Heaters

It’s unfair to expect the average homeowner to know the difference between water heaters. So why not have a professional team weigh the pros and cons for you? We install many types of water heaters depending on the lifestyle and the proclivities of the people who are using the water. Whether you’d like a water heater that can give you exquisite water pressure or extended hot water usage, we can set it up for you.

Commercial HVAC and Plumbing

Are you a restaurant owner in Newtown Squares, PA? If you are, then you know as well as anyone how important it is that you have professionals take care of disposing your grease trap and supplying your plumbing. Having poorly installed plumbing or a spilled grease trap can cost you customers and thousands of dollars in repair. Your business doesn’t have to put up with that if you hire the pros.

We Serve the Greater Delaware County

  • Moen Moen
  • Bryant Bryant
  • Bradford White Bradford White
  • Weil-McLain Weil-McLain
  • Fujitsu Fujitsu
  • Kohler Kohler