Hot air rises... Dec 1, 2008 12:32:06 GMT 8 Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Otaku on Dec 1, 2008 12:32:06 GMT 8 If hot air rises, why attach a heater (air-conditioner w/ heater option) to the wall near the roof?Air-conditioners on the ceiling, heaters on the floor!