Plumbing, Heating, Cooling & Drain Cleaning Service

Service In Hours Not Days!

Donnelly’s Delivers Quality Service You Can Trust.

For 40 years, we have been serving Montgomery, Bucks, Chester, and Delaware county residents with fast plumbing service and premium heating and air conditioning maintenance and repairs.
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Why Choose Donnelly's

When you want fast plumbing service, emergency drain cleaning, and quality heating and air conditioning maintenance, repair, and installation, Donnelly's is the one to call!

PA Registered Contractor #001004

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Safe & Well Trained Workers

To supply you with the best value and quality possible, we provide ongoing training and education for all our plumbing and HVAC service technicians.
Professional, Courteous Technicians. Our employees engage in NATE Certification training, manufacturer training programs for new products (i.e., heating and cooling systems, water purifiers, plumbing equipment, etc.), customer service programs, and safety training.

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Our Guarantee to You

We take customer satisfaction very seriously at Donnelly's.

Whether you call us for a small plumbing repair service, regularly scheduled heating and air conditioning maintenance and repair, or a heating and cooling system installation, we want to be sure you are completely satisfied with the products and service we provide.

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We're in Your Area

Donnelly's is your #1 choice for residential plumbing services and HVAC maintenance, repair and installation in southeastern Pennsylvania.

We provide 24-hour service, including Saturdays and Sundays to: Montgomery County, Bucks County, Chester County, Delaware County, Pennsylvania.

Contact Donnelly's today!

What's Our Customers Say...

"We have had Jordan here on different times. He is honest and a very good technician. In fact, we request him all the time."

He is an excellent representative of your company.
– Bob F., Warrington, PA

Service In Hours Not Days!

Service in Hours Guarantee
We guarantee service in hours – not days. Whether you need a scheduled maintenance visit or emergency service, we will be there when you need us.

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Gold Star Membership!

Gold Star Memberships are available for your home heating system, air conditioning system, and plumbing system.

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