Get matched with top tankless water heater installers in Mount Vernon, NY

"My old boiler was 53 years old! On its last legs. I got In town plumbings number from a neighbor who had her boiler installed by them. I called and the next day Guy was in my home assessing my situation. The next day I had a reasonable quote and the next week he was ordering my new boiler. He installed a new boiler and water tank in a day and a half! With his two employeesâ ¦.Frank and Carl. All these guys are amazing. Full disclosure I am a pain in the behind retired police officer. I ask all the silly questions. And Guy answered them all. This experience with our new boiler could not have gone better. I could go on and on. I highly recommend them for any plumbing situation."

"This company is very professional and clean worker. They explain everything and give fair prices. I look forward to hiring him to update my bathroom"

"Company responded fast to an emergency. My heat pump/hvac unit failed in 90deg temperatures. Technician came and diagnosed that system is 20 years old and needed replacement. Sales team was excellent and helped pick the right system for my budget. New system was in stain less than a week. Will hire this company again"

"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."

"Frank came sooner than I expected...within 90 minutes of my phone call with a new water heater and installed it without issue. He and his crew were polite, professional and I would highly recommend them. Price was within acceptable range."

"It took one person about an hour to do the work. Most of the work was outside and they cleaned up afterwards. The checked for air leaks behind the dryer then conducted most of the rest of the work outside. He offered to replace the connector between the dryer and the vent line. He said I didn't need it, he didn't pressure me at all."

"Outstanding service, start to finish. Professional, courteous, constant communication. Isha from the home office was in constant contact - phone, two email confirmations, and texts. She called to ask if the service could start a bit earlier, which was fine with me. Alex arrived promptly, put on shoe booties before entering the house (not necessary here but a nice touch). Alex was outstanding. Young fellow with many years experience, and it showed. He explained each part of the task as he went through it, and answered my many questions related to other potential work I brought up. Getting the anodes out of the water heaters - first time replaced - was a bear. He explained he had to get another socket wrench to loosen the anodes - the ones he had did not fit properly. No charge for that time, which though I expected, has not always been the case in my past experiences. Anodes were locked in tight, and took a while to loosen. Doing one water heater at a time, they finally came out, encased in calcium deposit. He then screwed in the replacement anodes and locked them in. Alex completed all the work, put everything back together including the fans on top of the units, tested, and re-tested. Continuing to explain each step. He took pictures of the work for the invoice, ran me through the details again. Everything done on his tablet computer; I received an immediate email receipt. Excellent work with knowledge behind it. I have an external faucet which needs repair, and may be looking for a whole-house water softener. When time comes to replace the water heaters, Advanced Pro will be at top of my list."

"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."

"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."

"Installers arrived on time and everything went smoothly. Had to have them back a couple of times to balance out the rooms. Some were not cooling properly. After the third time they finally got it right. First technician was a younger guy who was not keen on going into the attic since it was hot up there. He didn't know what he was doing. Second guy the same. Third guy was an older tech that I made a comment about it being hot in the attic and his comment was that this was his job no matter the conditions. Very professional. Should have sent him the first time."