Have HVAC Questions? Ask an HVAC Expert for Answers
Good morning, so far it sounds like a bad thermostat, but we need to do some diagnosis, tell me a lot about your technical skill sets so that I can coach you most effectively please. We can go from there.
Hello again, be sure you have power to the furnace turned off when you change the thermostat, or you could blow a fuse on the printed circuit board.
Phone calls are a premium service $25 I will submit if you like or we can continue here.
Tell me what color wires were attached to which terminal letter on the old thermostat....I can coach you more effectively that way