We’re more than HVAC and plumbing experts. We’re your home comfort specialists.
You can trust us to ensure you’ll enjoy total home comfort and personal wellness in every season, year after year.
Plumbing, Heating, & Cooling Services In Lansdale, PA
A healthier home for healthier living.


Experience the Donnelly’s Difference

100% Customer
Satisfaction Guarantee

Local, Family Owned
and Operated

Up-Front, Fully
Transparent Pricing

Expertly Trained and
Screened Technicians

No-Pressure Sales
Experience

Convenient Scheduling
Online or by Phone
Don’t Miss Out On Our Limited Time Offers
Know Who’s Coming to Your Home
Donnelly’s hires carefully and trains continuously on both technical and customer service skills. Our goal is for you to be totally thrilled with our people and their work. We want to earn the right for you to recommend us to your friends and relatives. If we fall short, please let us know so that we can discuss how to make it right.
LEARN MORE


Photo & Bio Sent Prior to Appointment
“I’m so glad I chose this company to check and clean my furnace. I was quite impressed with the communication and was sent a photo of my tech before his arrival. He was friendly, knowledgeable, and efficient, and explained everything to me about my furnace. I highly recommend Donnelly’s.”