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

"good service caii was 99.00 repair 64.00"

"Excellent. Crew was at my house within an hour of my call. Within 5 hours of waking up to no hot water they had a new water heater installed along with an emergency cutoff valve I requested and had cleaned up all the leaked water."

"Project: Install hot water heater. Job was done on time by knowledgeable workers and work area was cleaned."

"Happy with the water heater install"

"I worked closely with the manager regarding my water heater purchase/ install, he was very accommodating. Steve did the removal and install of the water heater and he did an excellent job, very professional and great customer service!"

"The company called and scheduled a technician to come within 3 days, which met my needs. Technician PJ came as scheduled, diagnosed the problem, went and purchased the parts and had everything repaired in just a few hours. When he left, it looked like he'd never been here - just what i wanted!"

"I had my heater serviced for the winter, and Jason did a great job. He was on time, and took his time to make sure everything was done right. He gave me so much info about the job, and what else I can do to make it work better. If you want someone to explain everything to you up front, then HARRIS Plumping and Heating should be for you. angieb"

Experience The Horizon Difference.\n\nOn-Time Service. Up-Front Pricing. And The Job Done Right and Clean the First Time. GUARANTEED!\n\nHorizon Services is the region's largest and most well respected plumbing, heating and air conditioning company, with nearly 600 employees serving tens of thousands of homeowners throughout Delaware, Southeastern Pennsylvania, Southern New Jersey, and Northeastern Maryland. After a quarter of a century in business, Horizons Services remains fully committed to setting the industry standard for customer service, installation, and focusing on things that are important to busy homeowners: respect for their time, their home and their property; up-front pricing, and an unconditional 100% money back guarantee.\n

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.