The thermostat, is it by a breeze? Mine had a manual 'reset' inside that was tripped somehow- I had to take it apart and reset it. Oh yeah, unplug it for a while first.

Go to the library and do a title or deed search. Go from there. You've got to find the start point to follow it's track in history

Go to the library and do a title or deed search. Go from there. You've got to find the start point to follow it's track in history