A/C

Check your A/C breaker and switch the breaker from ON to OFF, wait 5 seconds, then switch back to ON.
Condensate drain upstairs and make sure the pan is not full of water or it will trip the safety float switches. If this happens, call for service.
Most new furnace units will have a red or green light inside the furnace. Check to see if it is present and lit. If not, call for service.

VETERAN OWNED