Get matched with top tankless water heater installers in Mount Airy, MD

"Installed tankless water heater and 2 new circuits."

"Markool was super professional, kind, and skillful. A few things really stood out. 1) He did a furnace flue piper install that he could have charged us much more for if he had wanted to take advantage of us - but he was honest and we paid less than we feared. He also went the extra mile helping my wife and I through a warranty claim with the furnace company so that we did not have to pay extra part costs. It was an unexpected need, but he was prepared with the part and worked with the manufacturer to get us covered. He was even able to better a previous repair. 2) On a home humidifier install, he made himself available on short notice, took time to answer our questions, and then showed us how to maintain the equipment ourselves so we wouldn't need to shelve out more for additional contracting work - even from him. Grateful!"

"Phone contact was very prompt. Service person arrived within 1 1/2 hours as promised. Problem was resolved and a new sump pump was installed. Time will tell if problem was totally solved. (need a rainy down pour to see. )"

"Hello, I am requesting assistance from a licensed plumber/gas fitter for gas service restoration at my property: 1239 Maple Ave. Baltimore, MD 21227 BGE has determined that the prior gas service was abandoned and is now processing the project as a new gas service line and exterior meter installation. BGE will be meeting me on-site on Tuesday, June 9, 2026, at 9:00 AM to review and approve the proposed exterior meter location. I need a licensed plumber/gas fitter who can either attend that BGE site visit or come immediately afterward to evaluate the work required on the customer side of the gas system. The scope of work includes: - Inspecting the existing gas piping to determine whether any portion can be safely reused; - Extending, repairing, or replacing internal gas piping as needed; - Establishing the new customer-side gas connection point for the exterior BGE meter; - Pulling the required gas/plumbing permit; - Performing the required pressure test; - Coordinating the requir"

"Couldnâ t get my kitchen faucet off so I called harmonious plumbing and he came out to my house within 30 minutes of calling him and fixed my issue. Very satisfied. Polite and professional!"

"F. H. Furr did the tasks I requested. Two tasks required the lighting be replaced."

"Honest and upfront about what really needs to get done. Another company had bid that was 10 times higher, though included a lot of water purification stuff that isn't needed."

"It went well. The install was done in approximately 3 hours; knowledgeable technicians. Our drinking water tastes amazing and resolved hard water problem."

"When I bought my combo tankless boiler/hot water heater, the original installers messed up installation, then couldn't figure out how to fix it. Thank god I found Rod. He fixed their mess, installed a sediment filter that's been super effective, and recently helped fix a venting issue caused during a remodel. He knows his stuff inside out, is fast and efficient, and a real pleasure to work with. Would absolutely recommend him for anyone with on-demand water systems."

"I recently had a crack in my acrylic bathtub and called TriState Home Services to replace the tub. We decided to replace it with the same soaking tub to avoid any unnecessary damage to the ceramic tile we put in a few years ago. Bryan, the plumbing specialist at TriState did just that! He did an awesome job on this project. I also want to say how impressed I was with their customer service department, particularly with Megan, in her quick response to my emails along with making me feel so comfortable throughout the whole job."