I don't have a new thermostat. The model is American Standard. I was saying I usually keep it set at 66 degrees. However, this time it seems to be blowing cool air and constantly running. When the...
My heating unit is about 14 years old. Earlier in the week the weather was 70 degrees, today it's down to 26 degrees. My heat is on however it's blowing cool air as I have the thermostat set around...