Donnelly's Cooling, Heating & Plumbing

Home Comfort Specialists Since 1972

Serving Montgomery, Bucks, Chester, & Delaware Counties

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Cooling

Heating

Plumbing

Drain & Sewer

Trusted HVAC & Plumbing Services in the Greater Philadelphia Area

Five Decades of Local Service Excellence

Trust the home comfort specialists from Donnelly's Cooling, Heating & Plumbing when you have a broken AC, inefficient furnace, or leaky faucet. With over 50 years of experience, our family-owned and -operated company has the skills and tools to handle any home service you need. You can expect licensed and insured technicians to deliver prompt, reliable solutions that keep your home comfortable and functional year-round.

Air Conditioning Services

Stay cool and comfortable all summer with expert cooling solutions from Donnelly's Cooling, Heating & Plumbing . We'll repair your central air conditioner, heat pump, or ductless mini-split system if it’s not working properly. Your technician will walk you through your options if you want to install a new cooling system. We even offer free estimates on replacement AC units.

Heating Services

We understand how essential it is to have working heat during Pennsylvania winters. If your furnace, boiler, or heat pump struggles to keep you warm, turn to us for fast repairs. When your system needs replacing, we'll handle that, too. Our trained and experienced technicians are always available to provide quick and reliable service with honest, upfront pricing.

Plumbing Services

Clogged drains, burst pipes, running toilets, and other plumbing problems can bring your daily routine to a complete halt. Thankfully, our expertly trained plumbers are ready to help with any plumbing need you may have! We offer repair, replacement, installation, maintenance, and drain cleaning services to keep your home’s plumbing running smoothly.

Drain & Sewer Services in Lansdale

Donnelly's Cooling, Heating & Plumbing provides comprehensive drain and sewer services to keep your plumbing system running smoothly. Located in Lansdale, PA, our expert team is equipped to handle all your needs, from drain cleaning to hydro jetting.

We also handle both trench and trenchless sewer line repair and replacement, ensuring minimal disruption to your property. Our video camera inspections allow us to accurately diagnose issues and provide targeted solutions. Whether you need sewer line repairs due to tree root intrusion or sewer line installation for your property, you can trust us to deliver efficient and reliable service.

Call (215) 488-5170 now to schedule HVAC or plumbing services in Montgomery County, the Greater Philadelphia area, or surrounding areas.

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.

About Us

We are proud to Offer Affordable Financing Options!

Learn More

Our Reviews

See What Your Neighbors Are Saying

Efficient, excellent work with attention paid to the details.

Rich Wren

2 days ago

Duane came out to assess both my AC units and back again today to replace the needed parts and add uv lights. He is very knowledgeable, friendly and patient explaining things in terms I understood. He is a rock star!

Ken D

3 days ago

I sincerely hope that I can adequately express how grateful we are and how much our family appreciates the excellent service we received from Donnelly's Plumbing it's not at all surprising to us because we've been customers for several yrs. initially we were impressed with this company quite a few yrs ago when our daughter's water heater pilot went out in the middle of a winter storm her basement would often flood the technician worked tirelessly to get it up & running then he lifted the water heater high enough so should the basement flood again the water heater would be safe & he was right we never had the problem again. Our most recent service call was the worst case scenario our daughter's sewer line needed to be replaced they're team never fails to do their due diligence but despite their best efforts the line had to be replaced from the house to the street. That day the field supervisor Michael Wilson arrived at our home the man was the epitome of superior customer service. He introduced himself & showed us the pictures from his team. He assured us that even though were at the worst case scenario that Donnelly's considered they're customers as family & would leave no stone unturned that he was completely at our disposal & would do whatever he could to make us whole. This man help us on every level he absolutely made us feel like our problem was his problem he helped us obtain financing & was extremely knowledgeable & kept us informed with every aspect of the process our daughter & two grand daughters were unable to use any water in they're home which severely impacted not only they're household but ours as well, Mike took one of the worst situations & made it so much better we could not have made it though this without his help. Best Regards, Shelley Martin

Shelley Martin

3 days ago

Derrick was knowledgeable and professional. Work was completed quickly and satisfactory.

Eo P

3 days ago

They came out within 3 hours of my call. Caleb was professional,mannered and knew his trade. Fixed my issue within one hour !

Jack Schneider

3 days ago

Read Our Reviews