Peace of Mind
You have enough on your mind without worrying about broken valves and leaky faucets, and when an emergency strikes, there is no one more prepared than Donnelly’s Plumbing. Don’t worry, we’ve got this.
Serving our Bucks, Montgomery, Chester, and Delaware County neighbors since 1972.
Heating & Cooling
Whether it’s the hot summers or the frigid winters that cause you pain, Donnelly’s can get you back on track for year-round comfort. We offer complete heating services and cooling services for all your needs.
5-Star Reviews
Donnelly’s has a five star rating with over 400 reviews!
Montgomery County Pennsylvania

The Premier Plumbing, Heating, Cooling, and Drain Cleaning Company in Montgomery County Pennsylvania From Ambler to Zieglerville, we’ve got Montgomery County, Pennsylvania, covered! Whether you need …
- Emergency plumbing service
- Multi-zone heating and cooling systems
- AC maintenance or repairs
- Gas furnace maintenance, repair & replacement
- Hot water heater service, maintenance, repair & replacement
- 24-hour drain cleaning
- Well pump and tank repairs and replacements
- Water softener treatment systems
… call Donnelly’s today! Our customer service representatives are available 24-7 to take your call and get you the service you need in hours – not days! We guarantee it! We serve all these towns in Montgomery County, Pennsylvania – and more!