A Five Star Heating & Cooling did a great job! I've used them twice now, and they were able to figure out my circuit board and get me back up and running. The tech who came out was courteous and friendly, and a great guy overall. They did such a good job that, when my friend needed help with his A/C system, I recommended Five Star, who took care of him and was happy with his experience as well. I would use them again, no doubt!