Skip navigation

Prepare for the season ahead! Contact us for more details. Read More

Serving the Greater Delaware County

Request Service

24 Hour Service Available


Serving the Greater Delaware County

24 Hour Service Available


Request Service


Fast. Friendly. Reliable.

Let our family help your family.

  • Family-Owned and Operated Since 1959
  • 100% Satisfaction Guarantee
  • Up Front Pricing

Your Trusted HVAC Professionals in Havertown, PA

We’re the trusted professionals for everything plumbing, heating, cooling, generator, and commercial in our area. Our technicians at Walsh Brothers Plumbing and Mechanical Services, Inc. are experts. You have a lot of options for HVAC services here in Havertown, but few contractors can promise what we promise. We guarantee:

  • Fast and friendly service
  • A 100% satisfaction guarantee
  • Up-front pricing
  • A full parts and labor service agreement

We’re a family-owned and operated company that’s been in business since 1959. We understand what quality means and we take it to heart. We’re on time all the time and we’ll never try to pad our work with gimmicks or give you any hassle.

Contact us for all your HVAC, plumbing, and commercial needs. Fast-Friendly-Reliable.

BBB Accredited Business
The Electrical Association of Philadelphia
2018 Best of Delco - Daily Times Trust the Word of Our Valued Customers

Technician Brian deserves special notice for his friendly and knowledgeable demeanor, always happy to answer questions and getting the work done.

- Yin Stern L

View All Reviews

House on a Shield Icon

Protect Your System and Save Money with Our
Maintenance Plan!

  • Two annual calls and a 15-point check for both HVAC systems
  • Replacement or repair of certain parts at no additional cost
  • Priority emergency service at no additional cost

Start Saving Now!

We Serve the Greater Delaware County

Solutions for Every Home and Budget


Your plumbing system is the unsung hero of your home. You probably don’t think about this system often because it’s tucked away in your walls, but it’s incredibly important to your overall comfort. Imagine having to go for an extended period without a hot shower or a cold glass of water! Our professionals can always keep your system in good shape.

Learn More


Heating and Cooling

You shouldn’t have to struggle for comfort in your home. We’re not expecting you to wrestle with your air conditioning or heating system on your own—that’s where our team at Walsh Brothers Plumbing and Mechanical Services, Inc. comes in. You can trust us for maintenance, repair, replacement, and installation services. We’re a PHCC and BBB accredited team. Contact us for quality work.

Learn More


Whole-House Generators

It’s always good to be prepared for the worst-case scenario. You don’t want to find yourself in the midst of an extended power outage with a faulty generator. Think of a generator as your personal insurance for your home safety and comfort. Contact our professionals. We’ll ensure that your home is always safe.

Learn More


Commercial Services

If you’re in charge of managing a business, you know that your HVAC and plumbing services are important. These systems are the baseline for a successful commercial space. We know how stressful it can be to find the right team to service your commercial business. That’s why we take the work that we do so seriously.

Learn More


Maintenance Program

Maintenance is the difference between a home that causes you endless headaches and a home that you can rely on. You’re going to need great maintenance to ensure that your HVAC and plumbing systems last well into the future. That’s why we offer a complete maintenance program to keep all these systems in top shape.

Learn More


3 Generations of Expert Advice

Nov 8

Maintenance for Your Heater is a Must

A yearly tune-up keeps your system in the best shape possible so you won't have to worry about struggling with a cold house when your guests arrive.
Read More

Oct 18

Make Sure Your Plumbing Is Prepared For the Family

Here are some of the ways that you can ensure that your plumbing system is in the right condition for those gatherings to come.
Read More

View All Posts

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