My Guy went out of their way to accommodate us when our tankless hot water heater began leaking. They gave us an estimate, we accepted the next day and they installed the day after that coordinating a roofer to climb 3 stories to handle the exhaust/air intake pipes. They stepped us thru the entire process and took great care to explain the job and what we needed to know going forward. They were very professional. They went out of their way to clean the area before leaving and registered the unit for us. It was a day long affair where they had to spend a good deal of time running up & down 2 flights of steps in our reverse living house. This is the second job they completed for us, no doubt, we'll be using them in the future when needed.