
The First 5 Questions You Need Answered
Am I in your service area?
If you live in Bucks, Montgomery, Chester or Delaware County, then YES YOU ARE.
Can you fix my problem?
If it’s a problem with any of your cooling, heating or plumbing systems, then YES WE CAN.
How soon can you get here?
In almost every circumstance, TODAY. Donnelly’s offers rapid-response dispatch when available – for both routine appointments and emergencies that cannot wait. For emergency services, please call our hotline at (215) 799-9763. For non-emergency service, please schedule your appointment online, or you can even request we give you a call. Whether you call Tuesday at 3 p.m. or Sunday at 3 a.m., we’re here to serve and delight.
How much will it cost?
You’ll never be blindsided by hidden costs or higher-than-expected bills because we provide FULLY TRANSPARENT UPFRONT PRICING.
We’ll carefully explain all costs to you before work begins. Then YOU APPROVE THE TOTAL.
What's your guarantee?
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.
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

Expertly Trained and
Screened Technicians

Local, Family Owned
and Operated


No-Pressure Sales
Experience


Up-Front, Fully
Transparent Pricing


Convenient Scheduling
Online or by Phone
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.





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.”
We Sell, Service and Install All Top Brands
Our Home Comfort Specialists are expertly trained to work with equipment from all leading manufacturers. Below are just a few of brands we sell, service and install every day.











