Get matched with top tankless water heater repair pros in White Plains, NY

"Bob and Tom are great contractors. They not only did an awesome job replacing my water heater, they also identified issues in my chimney while they were connecting the vent pipe for the water heater. I will hire them again for separate HVAC projects."

"It went very well! Doug was on time, friendly and professional. He found a problem which we will have repaired soon."

"Aldo was great. Communicated about when he expected to be there. Was polite and prepared with mask etc to enter the house. Found that he was able to simply repair my valve rather than go through the expensive process of replacing. Impressed with his professionalism and honesty. Would definitely recommend him."

"These guts are my go to guys for all HVAC repairs. Rebuilt one of my heaters in an impossible crawl space. Great service & reasonable."

"Affordable HVAC repair service. You can actually ask them to do little extras at no additional cost. After I called them for emergency repair of our AC unit, they offered a complementary cleaning for the unit. Amazing customer appreciation. Totally recommended!"

"Oct. 6 2025 it went quick. I received an estimate of The job first. The work was done correctly. It didn't take long. If I need plumbing service again. I would contact Cassidy plumbing & Heating."

"Tom was terrific....repaired boiler....cost reasonable.....explained everything so clearly so that even this 88year old understood it....experience with company from start to finish was a pleasure"

"Extremely responsive, courteous, performed work safely, using appropriate ladders during work, continuously keeping work area clean. Repaired leaky 2nd floor tub, installed new piping, caulked around tub, tested plumbing repairs for addl leaks, capable of 1st floor ceiling repairs after plumbing was replaced. Addl work performed - cleaned grease traps snd jet cleaned piping from house to sewer. Completed work on time, explained billing, explained follow up work. I will be hiring them again."

"Dave saved us money and got the job done. Another company diagnosed the problem incorrectly and recommended changing a more expensive part that wouldn't have solved the problem. Dave did his own thorough assessment, found the real issue and fixed it right away. Couldn't be more grateful for heat and hot water. Thank you Dave."

"I recently had Nick out to fix my oil burner, and I couldn’t be happier with the experience. My heating system suddenly stopped working properly during a cold snap, leaving us without heat. From the first call, the team was responsive, professional, and got someone out quickly. Nick arrived on time, was polite, knowledgeable, and took the time to thoroughly diagnose the issue. He explained everything clearly, what was wrong, why it happened, and what needed to be done without any upsell pressure or confusing language. The repair was done efficiently and cleanly; he left the area spotless, which I really appreciated. My oil burner is now running better than ever. Heat is consistent, and I feel much more confident going into the rest of the cold weather. Honest, skilled work at a fair price."