Donnelly's Cooling, Heating & Plumbing Home Comfort Specialists Since 1972 Serving Montgomery, Bucks, Chester, & Delaware Counties
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    By submitting, you authorize Donnelly's Cooling, Heating, & Plumbing to reach out via phone, email, or text for information about your project needs. We will never share your personal information with third parties for marketing purposes. You can opt out at any time. Message/data rates apply. Consent is not a condition of purchase. Privacy Policy.

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Donnelly's Cooling, Heating & Plumbing Home Comfort Specialists Since 1972 Serving Montgomery, Bucks, Chester, & Delaware Counties
Get Started

Mobile Home Banner

    By submitting, you authorize Donnelly's Cooling, Heating, & Plumbing to reach out via phone, email, or text for information about your project needs. We will never share your personal information with third parties for marketing purposes. You can opt out at any time. Message/data rates apply. Consent is not a condition of purchase. Privacy Policy.

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​Trusted HVAC & Plumbing Services in the Greater Philadelphia Area

Five Decades of Local Service Excellence

Trust the home comfort specialists from Donnelly's Cooling, Heating & Plumbing when you have a broken AC, inefficient furnace, or leaky faucet. With over 50 years of experience, our family-owned and -operated company has the skills and tools to handle any home service you need. You can expect licensed and insured technicians to deliver prompt, reliable solutions that keep your home comfortable and functional year-round.

Air Conditioning Services

Stay cool and comfortable all summer with expert cooling solutions from Donnelly's Cooling, Heating & Plumbing . We'll repair your central air conditioner, heat pump, or ductless mini-split system if it’s not working properly. Your technician will walk you through your options if you want to install a new cooling system. We even offer free estimates on replacement AC units.

Heating Services

We understand how essential it is to have working heat during Pennsylvania winters. If your furnace, boiler, or heat pump struggles to keep you warm, turn to us for fast repairs. When your system needs replacing, we'll handle that, too. Our trained and experienced technicians are always available to provide quick and reliable service with honest, upfront pricing.

Plumbing Services

Clogged drains, burst pipes, running toilets, and other plumbing problems can bring your daily routine to a complete halt. Thankfully, our expertly trained plumbers are ready to help with any plumbing need you may have! We offer repair, replacement, installation, maintenance, and drain cleaning services to keep your home’s plumbing running smoothly.

Call (215) 855-2014 now to schedule HVAC or plumbing services in Montgomery County, Greater Philly, the Greater Philadelphia area, or surrounding areas.

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What To Expect

Discover the Donnelly’s Difference

​Professional Services​

​We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

​We can work on all makes and models of HVAC and plumbing equipment.​

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​

​Professional Services​

​We show up on time, keep things clean, and listen to what you need. We treat you and your home with the respect it deserves.

Service for All Brands

​We can work on all makes and models of HVAC and plumbing equipment.​

Trustworthy

​You can count on us to be honest and always do what we say. We communicate clearly, provide our guarantees & warranties in writing, and ensure you understand everything we're doing in your home.​

Experienced Technicians​​

We excel at solving problems with years of experience behind us. We look at today's challenges and future needs to create the best customized solutions.​

Licensed & Insured

​Our technicians are licensed, insured, and background-checked for your peace of mind.​

financing

We are proud to Offer Affordable Financing Options!

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Our Reviews

See What Your Neighbors Are Saying

We were extremely satisfied with the service provided by Donnelly’s. From start to finish, they were extremely professional and kept us informed every step of the way. Our technician, Mike Wilson, was fantastic. He was very knowledgeable and courteous. We were very happy with the project…

Anthony M.

Anthony M.

Donnelly’s Heating, Cooling & Plumbing provided excellent service for our home. Domingo C. was very knowledgeable and answered all of my questions (and there were many!). We ended up with an issue, and he stayed until it could be resolved. Jake H. and his skilled team…

Jill C.

Jill C.

Can’t say enough about how great my water heater replacement experience was. Service tech, Joe was the best; Knowledgeable, professional, and kind - he did such a great job. I highly recommend contacting Donnelly’s for your plumbing needs.

Kristen T.

Kristen T.

All around good experience for the installation of a combi boiler. The sales process was good and they were willing to negotiate which was appreciated. I set up the install two weeks out at the time of the sale and they arrived on time today to…

Todd A.

Todd A.

Our whole experience with Donnelly's was spectacular. We really appreciated the honesty and clarity throughout the whole process. When they came out for a quote we felt like all of our questions were answered and their proposal gave us exactly what we needed at a very…

Racheal B.

Racheal B.

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Donnelly’s Proven Process

What to Expect, Start To Finish, When You Set up An Appointment With Donnelly’s

process

Donnelly’s Proven Process

What to Expect, Start To Finish, When You Set up An Appointment With Donnelly’s

We Sell, Service and Install All Top Brands

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Proudly Serving

The Greater Philadelphia area and the surrounding counties

  • Montgomery County
  • Bucks County
  • Chester County
  • Delaware County

Our Deals

save on your next service

$59

A/C System Check REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$59

A/C Repair Diagnostic REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$59 Off

Plumbing Repair REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$59

Sewer Line Camera Inspection REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers
A/C System Check

$59

REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers
A/C Repair Diagnostic

$59

REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers
Plumbing Repair

$59 Off

REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers
Sewer Line Camera Inspection

$59

REDEEM OFFER Expires 06/30/2024Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

Get Started

Get Started

    By submitting, you authorize Donnelly's Cooling, Heating, & Plumbing to reach out via phone, email, or text for information about your project needs. We will never share your personal information with third parties for marketing purposes. You can opt out at any time. Message/data rates apply. Consent is not a condition of purchase. Privacy Policy.

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