Get matched with top tankless water heater repair pros in Cumming, GA

"Donald Rogerson responded very quickly, analyzed the photos I sent him, knew exactly what to bring, and provided a very reasonable quote over the phone. He reassured me from the start, and took control of the situation with the utmost professionalism and clear communication. His work was impeccable, and he even insisted on cleaning up. I heartily recommend him, not only for water heater issues, but for any indoor plumbing need. He will certainly be my plumber from now on."

"I have a Rheem tankless water the hot water is fluctuating in the showers and other faucets. It didn't do this a while back. RPX tech came out and said the flow sensor was messed up. He told me he had to be replace the water heater or i will keep paying for it to be repaired. He had one with him. He installed it and was on his way."

"Estes has been providing my service for approximately 10 years. Always prompt, courteous and very accommodating. They recently (June 2019) replaced my hot water heater and installed new HVAC system. An awesome crew performed the installation and was very thorough in explaining all of the new components to me. Also the gentleman who came to my home when the unit needed replacing was extremely knowledgeable, very friendly and insured that all of my questions and concerns were addressed before he left."

"JJ did a great job. He checked some ideas in the hopes of avoiding having to cut a hole in the ceiling, which I appreciated. He actually found other leaks in addition to the pin hole that caused the original stain and replaced the entire section. He also discovered our water pressure was well above code and reset it."

"bought 2 heaters from lowes 12 yr warn. 981.00 total in store pickup.."

"Excellent diagnosis of a plugged drain and resulting repair of piping to correct."

"I used Greenlee to replace my water heater. They replied to my inquiry for service very quickly, even though it was after normal business hours. They were responsive and professional assisting me in determining the best solution for me. They arrived quickly and on time. Their work was fast and they did a great job of removing my old water heater and installing the new one. Everyone with whom I had contact was friendly and professional. They will be handling any future plumbing work that I have."

"Cool Air Mechanical LLC delivered exceptional service with our water heater installation! From the moment we scheduled the appointment, their team was professional, punctual, and incredibly knowledgeable. They assessed our needs thoroughly and guided us to the perfect unit for our home. Installation was seamless—efficient, clean, and done with care. We appreciated the technicians’ attention to detail and their willingness to explain everything clearly. What truly stood out was their commitment to customer satisfaction. They even followed up to ensure everything was running perfectly! It’s rare to find a company that combines technical expertise with genuine courtesy. Highly recommend Cool Air Mechanical for anyone in need of top-notch HVAC or plumbing services. They’ve earned our trust and future business!"

"They sent someone out right away and the repair was complete in no time. Very professional and efficient."

"Last year (2021), I hired Casteel to upgrade my HVAC system, tankless water heater, update the pipes in my basement, install a pump for washing machine and bring my electricity. I have a brink home the was built in 1955 and had not had any major repairs since 1985. Everyone I spoke to during the process of consulting and repair was professional, kind and courteous. They always kept an open line of communication and were willing to adjust their schedule according to emergency circumstances that happened in my family. From the products they used to the quality of the workmanship, I am still very pleased with outcome. They respected not only my time but my property too. I will definitely hire them again. I highly recommend them to anyone in the Atlanta, GA area."