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

"Call Atlanta Tankless & Water Heater before you call anyone else. Knowledgeable, friendly, honest and fair."

"Actually, I ended up needing a whole new water tank. So, I bought and had ESTES install the tankless water system. I couldn't have for a better team of guys to handle it. They were awesome."

"David and Ilyas are super friendly owners of this company! They helped me a lot! They helped me with water heater repair with less than one hour. Great company, highly recommended! Thank you!"

"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."

"The reason why I give them 5 stars is because they respond and install my water heater in Less than 24 hours. The technician who run my call show that he has knowledge about that job. When the job was done he explained how the new water heater work and what to if help is need it. He also explained and showed me the deficiency of the valves and recomended to be changed. I when ahead and take his recommdation. I took their number from the broken water heater that was installed 23 year ago. If I ever need plumbing service I will call then in a heartbeat."

"Repair inside of the toilet, stop water from running inside"

"My water heater got flooded due to the recent hurricane rains. Chen Plumbing came out same day and was able to get a new water heater installed in less than an hour. I appreciate their technician's professionalism and attention to detail as well. Thank you!"

"Excellent job replacing the water heater. Billy was professional and punctual. Great communication with the office. Highly recommend Greenlee plumbing."

"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."

"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!"