I get many other questions, like "does it have to be vented outside?" (yes, or into the attic), and "what about drainage?" (many have auto-drain systems). Some even run on batteries and tend to be small enough to slip into your pocket. Do you ought to both a Portable Air Conditioner in addition a heater? We only had a streak of 35/36 degree days (95-100 F). If it is possible to get it from a clearance, then do which means that.