should be at bedroom. mine is in second floor hallway. CO is lighter than air , it moves up. There could be some CO near furnace from time to time when it is just lighted up. If you put alarm there. It would give false alarm.
should be at bedroom. mine is in second floor hallway. CO is lighter than air , it moves up. There could be some CO near furnace from time to time when it is just lighted up. If you put alarm there. It would give false alarm.