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?

At Donnelly’s, WE’RE NOT SATISFIED UNTIL YOU ARE. And we guarantee it. Click or tap below to read about our COMPREHENSIVE 100% SATISFACTION GUARANTEE.

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

Our Services

From HVAC to plumbing, we’ve got you and your home covered.

A healthier home for healthier living.

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Experience the Donnelly’s Difference

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100% Customer
Satisfaction Guarantee

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Expertly Trained and
Screened Technicians

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Local, Family Owned
and Operated

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No-Pressure Sales

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Up-Front, Fully
Transparent Pricing

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Convenient Scheduling
Online or by Phone

Recognized for Excellence by Customers and Industry Professionals Alike

Donnelly's Better Business Bureau
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Home Advisor Rating
Nexstar Network Member

Know Who’s Coming to Your Home

At Donnelly’s, we want you to feel just as comfortable with the tech visiting your home as you will once they finish the job.


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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.

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Goodman Logo
RUUD logo
York Logo
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