Get matched with top tankless water heater repair pros in Upper Darby, PA

"Experienced and expeditiously.remedied a replacement of a hot water heater. Very professional."

"good service caii was 99.00 repair 64.00"

"After looking at what was suppose to be done, and the entire job was evaluated, I was told I would be better off in getting a complete new water heater, and not put new parts in an 8 year old water heater, for once I felt like I was not ripped off, and given the best advice, and that is what I will do."

"It went GREAT! The tech who arrived was really professional, he even wore little baggies over his boots so that he wouldn't track dirt into my house! He was able to diagnose the issue and get it resolved within 2 hours. I wish I had gotten his name so I could give him some recognition here, but he went above and beyond. The guy not only fixed the leaking pipe/valve, he proceeded in bleeding out the air in all of our heaters getting them working again, and even tightened the nut to our water shutoff valve so that it would stop dripping. The tech explained the whole process to me and showed me a thing or two about our boiler. Would definitely call again."

"Happy with the water heater install"

"They replaced my water heater. The work was done quickly and with very high quality."

When plumbing problems disrupt your day, you need a local plumber who responds quickly, communicates clearly, and gets the job done right the first time. At Montco-Rooter Plumbing & Drain Cleaning, our plumbers are friendly, experienced, and fully equipped with the tools and technology needed to diagnose and repair a wide range of plumbing issues.\n\nWe understand that plumbing emergencies do not follow a schedule. That is why we are available nights, weekends, Saturdays, Sundays, and holidays, with no additional after-hours charges. Whether you are facing a sudden leak, a backed-up drain, or a water heater that stopped working, you can count on our team to arrive promptly and restore proper function to your plumbing system.

Proudly serving the Main Line. Built on trust, consistency, and showing up when it matters.\nWe diagnose issues correctly, explain your options clearly, and fix problems the right way — not the quick way.\n\n• Upfront pricing, no surprises\n• Fast response times\n• Clean, professional technicians\n• Quality work that lasts\n\nServices:\nWater heaters • Drain cleaning • Leak repairs • Sewer issues • Water filtration • General plumbing

In 1972, Donnelly’s Cooling, Heating & Plumbing began serving Pennsylvania residents with premier plumbing services and later expanded to add their superior HVAC services. As the area’s top choice for plumbing, heating, and cooling service, we’re proud to offer unmatched professionalism and quality results.\n\nWith same-day and emergency services, our team is always available for your home service needs. Plus, with service for all brands and free estimates, you can trust you’re in excellent hands with our team.

Founded with creating a higher standard in the industry and providing superior customer service, Christian Heating, Cooling, Plumbing and Electrical has been serving the local community since 1989. At Christian, we take pride in employing service technicians who are well trained in their craft and dedicated to the satisfaction of our customers.\n\nFor 35 years, our team has kept your family safe & comfortable. Our expert technicians receive weekly training to ensure that they are up to date on the latest equipment and service practices in our industry. \n\nWe’re here for you 24/7 so don’t hesitate to contact us today.\n\n