Donnelly's Plumbing, Cooling, Heating & Electric

Home Comfort Specialists Since 1972

Serving Montgomery, Bucks, Chester, & Delaware Counties

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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 Plumbing, Cooling, Heating & Electric 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.
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.​

    We are proud to Offer Affordable Financing Options!

    Our Reviews

    See What Your Neighbors Are Saying

    7/29/26
    Travis was a pleasure to work with!
    He explained everything and answered all my questions.

    5/1/26
    Shane gave great service, was friendly, patient, and took the time to answer my questions. He worked hard installing a water softener and carbon filtration system and really cared about the work he was doing.

    10/19/26
    Art did preventative maintenance on my air conditioner. He was amiable, efficient, and explained everything! He was a pleasure to work with.

    10/8/25
    Tony did preventive maintenance on my heater. He was efficient, explained everything, and had a nice demeanor!

    5/13/25
    Joe did preventive maintenance on my plumbing. He was pleasant, did a great job, and explained everything. I was glad to learn that each sink has its own turnoff knob, which I hadn’t known before!

    4/21/25
    Robert provided great service. He has a nice and professional demeanor. He did routine maintenance on my air conditioner and explained everything too me.

    11/24/24
    Joseph provided excellent service. He extended a sewage clean out pipe, and promptly arranged for a serviceman from Donnellys sewage department to come out the same day to check on a different issue with the pipe. As he did when he performed my plumbing maintenance a few months ago, he explained everything, answered all my questions, had a professional and pleasant manner, and was so great to work with!

    11/24/24
    Bobby hydro jetted a pipe and cleaned it out successfully. He was professional, nice, explained everything, answered all my questions, and promptly arranged for another serviceman to come out the next day to take video pictures of the pipe!

    11/24/24
    Mike checked the condition of my pipe with video, was pleasant, professional, explained everything , and answered all my questions. The whole process of dealing with this sewage pipe issue was made seamless for me from start to finish because of Joseph, Bobby, and Mike!

    11/11/24
    Caleb replaced a hose bib and explained everything he was doing. He was a pleasure to work with and did a great job!

    11/3/24
    Nick did a great job.

    8/8/2024
    Joseph did a routine plumbing check, flushed my water heater, and located my sewage clean out that was hidden by grass. Joseph is the best -he explained everything, had a nice and professional manner, and was a pleasure to work with!

    8/1/2024
    Justin did routine maintenance on my AC. He had a nice and professional manner!

    3/5/23
    Tom gave great service. He cleaned out my shower drain, explained everything, had a nice manner, and gave me advice on how to prevent a re-occurence.

    11/17/23
    Joseph was great showing me tagging the correct levers to turn off water.

    11/17/23
    Rob did my heater maintenance and provided great service as usual!

    8/24/23
    Rob did my air conditioner maintenance. He was friendly, professional, thorough, and explained everything he did. Great job!!

    8/4/23
    Bobby Burkle replaced my water heater, garbage disposal, and fixed a few other things.
    He was professional, pleasant, and explained everything he was doing!!
    Also, the people answering the Customer service and other lines at Donnellys are always so nice and helpful!!

    —————————————————

    Kevin was professional, pleasant, patient, thorough, and explained things to me every step of the way. I am so glad that I signed up with Donnelly's -- from the person answering the phone (this time it was Patty) to the technician sent to my home, the service has been the best!
    Karen
    1 day ago
    Nafeese did a great and thorough job and is very professional and provided an honest assessment and transparent proposal and solutions.
    Joe F (Joe)
    3 days ago
    Great service and great person)Nick)
    Frank Wagenhoffer
    3 days ago
    I want to take a moment to recognize four outstanding professionals from Donnelly's Plumbing, Heating & Air who truly exemplify teamwork, expertise, and customer care: Nafeese Taylor, Eric Jann, Eladio Torres, and John Mayor.

    When our upstairs heating and cooling system failed during the Fourth of July weekend—while temperatures in the Philadelphia area exceeded 100 degrees—this team stepped up in an extraordinary way.

    Nafeese Taylor was the first to arrive and quickly identified multiple issues with our existing system. He thoroughly inspected both the outdoor unit and the attic equipment, then clearly explained the problems in a way my family could easily understand. What impressed me most was his genuine concern for our well-being, especially considering the medical concerns within our household during such dangerous heat. Recognizing the urgency of the situation, Nafeese immediately contacted Project Manager Eric Jann. He also went the extra mile by bringing us a portable air conditioner to help keep our family safe until a permanent solution could be installed. That level of compassion and professionalism meant more than I can express.

    Eric Jann arrived within minutes to assess the situation alongside Nafeese. Together, they evaluated the system and developed the best path forward. Eric carefully explained our options, recommended a reliable long-term solution, and made sure we understood the benefits of investing in a new, dependable system. The teamwork between Eric and Nafeese was exceptional, and they set the entire project in motion with professionalism and urgency.

    Once the new system was selected, Eladio Torres and John Mayor took over. Their technical expertise, work ethic, and attention to detail were nothing short of outstanding. They spent hours installing a sophisticated new smart heating and cooling system, working tirelessly to ensure everything was installed correctly and operating at peak performance. After completing the installation, they took the time to walk us through the new system, explain how everything worked, and answer every question we had. Their knowledge, patience, and commitment to excellence were truly impressive.

    Together, Nafeese, Eric, Eladio, and John demonstrated what outstanding customer service and teamwork look like. Each of them showed professionalism, leadership, technical expertise, and genuine care for my family's comfort and safety. They are tremendous ambassadors for Donnelly's Plumbing, Heating & Air and tremendous assets to the organization.

    Thank you all for going above and beyond. It is refreshing to see a company with employees who take such pride in their work and genuinely care about the people they serve. I truly appreciate everything you did and look forward to continuing my partnership with Donnelly's Plumbing, Heating & Air.
    Neil Jain
    4 days ago
    This was very strange. The plumber started by saying the job would cost $1,760 to remove an old kitchen faucet and replace it with a new one. I declined the offer and he commenced negotiation. Final job was $860.
    Richard Clarey
    4 days ago
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      Donnelly’s Proven Process

      What to Expect, Start To Finish, When You Set up An Appointment With Donnelly’s
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        We Sell, Service and Install All Top Brands

        Proudly Serving

        The Greater Philadelphia area and the surrounding counties


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

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        Our Deals

        Save on Your Next Service

        Free

        Full Electrical System Evaluation

        Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

        $79 Off

        Any Electrical Service

        Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

        $500 OFF

        AC or Furnace Install

        Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

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        Recognized for Excellence by Customers and Industry Professionals Alike

        Donnelly's Plumbing Heating and Cooling BBB Business Review