Dependable Heating & Air installed the original heating and air system in my current home. That was 21 years ago, and before I even owned the house. They have been servicing the unit since I moved in. So, when I needed a new unit, I called them. I mean, if the old unit lasted 21 years, that means that it was a pretty good unit, and that it was installed right. They did an excellent job for me installing this new unit! They were professional and knowledgeable people, and I would highly recommend them!