When it comes to heating and air, the only people that I have dealt with for years is Day & Night Mechanical Solutions Inc. We met them years ago at the Denver Home Show, and we have used them ever since. Our old furnace stopped working correctly last month, so we gave them a call. We were going to order a bunch of parts and get it fixed, but after talking it over, we decided it would be better to go ahead and replace it, rather than get "nickel and dimed" for the next few years on parts. They are professional people, and they know what they are doing. They did a great job for us.