Minuteman Heating And Air was referred to me by my mother, and I have already referred them to several people as well. They installed a new heating and air conditioning unit, with that install going great. An issue came up with the new system losing coolant. There were numerous visits with the technicians adding coolant, which did not fix the problem. The owner came out and found the issue, which was with the unit itself. He worked with the manufacturer and replaced the entire unit, which is now running perfect. It would have been nice to have a diagnosis with the first service call back after the new system was put in, but I think they did try everything that they could before dealing with the manufacturer. I am happy now that the new unit is working as it should. Thank you for dealing with this issue and resolving it.