Matt from Connell's Heating & Air installed my new thermostat. He found a Carrier thermostat that did everything i required and nothing else - so he saved me a good bit of money. He also found that the original installer actually made 2 mistakes on the initial install. (Basically causing it to fail in < 6 years.) As I alluded to on another review (Google I believe) Connell's is a throw back to an earlier time in America when Quality & Service were the norm - not the exception. These people really are excellent at what they do.