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Top-Rated HVAC & Plumbing Services in Collegeville, PA

Since 1972, Donnelly’s Cooling, Heating & Plumbing has been a trusted family-owned business in Collegeville, delivering reliable HVAC and plumbing services tailored to our community’s needs.

Our licensed, background-checked technicians are equipped to handle everything from plumbing repairs to HVAC installations. With a commitment to quality service and customer satisfaction, we offer same-day services and free estimates to ensure your home remains comfortable year-round.

Schedule expert HVAC and plumbing services in Collegeville today by contacting Donnelly’s Cooling, Heating & Plumbing.

Our Plumbing Services

Minor plumbing problems can escalate quickly, but Donnelly’s Cooling, Heating & Plumbing is here to help. Our skilled technicians provide tailored solutions to keep your Collegeville home safe and comfortable.

Count on us for expert plumbing services designed to keep your home running smoothly. Our services include:

What to Do if You Encounter a Plumbing Leak

If you notice signs of a plumbing leak — such as damp spots on walls or ceilings, dripping faucets, or an unexpectedly high water bill — Donnelly’s Cooling, Heating & Plumbing is here to help. We specialize in leak detection and repair services that pinpoint the source of the problem.

Our skilled technicians use advanced technology to find hidden leaks, ensuring your Collegeville home remains safe from water damage. If you suspect a leak, contact us immediately to keep your plumbing running smoothly.

Air Conditioning Services

In Collegeville, where summer temperatures often reach the 80s, reliable air conditioning is essential for staying comfortable. At Donnelly’s Cooling, Heating & Plumbing, we provide specialized AC services to meet our community’s needs. Our AC services include:

We also provide indoor air quality services and ductless AC systems to enhance your home’s comfort. By improving the air you breathe and keeping your family cool during those warm Collegeville summers, our solutions create a more inviting and healthy living space.

Heating Services

With winter temperatures in Collegeville often dropping into the 20s, a reliable heating system is essential for your comfort. At Donnelly’s Cooling, Heating & Plumbing, we’re dedicated to keeping your home warm and inviting. Our heating services include:

  • Heating installation and replacement
  • Heating repair
  • Heating maintenance

We work with various heating systems, including boilers, furnaces, and heat pumps, ensuring you have the best solution for your home’s needs.

Choose Us for Plumbing & HVAC Services in Collegeville, PA

For over 50 years, Donnelly’s Cooling, Heating & Plumbing has been the go-to choice for plumbing and HVAC services in Collegeville. Our dedication to quality and customer satisfaction sets us apart. With licensed, insured, and background-checked technicians on our team, you can feel confident knowing your home is in capable hands. We offer same-day and emergency services, ensuring you never have to wait long for help.

We service all brands and provide free estimates to help you make informed choices about your home’s needs. With flexible financing options and exclusive discounts for military personnel, veterans, and seniors, we strive to deliver reliable service that fits your budget.

Contact us today to learn about our specials and schedule your HVAC and plumbing services for your Collegeville home.

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Our Comfort Protection Plan

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Our Reviews

See What Your Neighbors Are Saying

We were extremely satisfied with the service provided by Donnelly’s. From start to finish, they were extremely professional and kept us informed every step of the way. Our technician, Mike Wilson, was fantastic. He was very knowledgeable and courteous. We were very happy with the project…

Anthony M.

Anthony M.

Donnelly’s Heating, Cooling & Plumbing provided excellent service for our home. Domingo C. was very knowledgeable and answered all of my questions (and there were many!). We ended up with an issue, and he stayed until it could be resolved. Jake H. and his skilled team…

Jill C.

Jill C.

Can’t say enough about how great my water heater replacement experience was. Service tech, Joe was the best; Knowledgeable, professional, and kind - he did such a great job. I highly recommend contacting Donnelly’s for your plumbing needs.

Kristen T.

Kristen T.

All around good experience for the installation of a combi boiler. The sales process was good and they were willing to negotiate which was appreciated. I set up the install two weeks out at the time of the sale and they arrived on time today to…

Todd A.

Todd A.

Our whole experience with Donnelly's was spectacular. We really appreciated the honesty and clarity throughout the whole process. When they came out for a quote we felt like all of our questions were answered and their proposal gave us exactly what we needed at a very…

Racheal B.

Racheal B.

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What To Expect

Discover the Donnelly’s Difference

​Professional Services​

​We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

​We can work on all makes and models of HVAC and plumbing equipment.​

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​

​Professional Services​

​We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

​We can work on all makes and models of HVAC and plumbing equipment.​

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​