
How to Use a Portable Air Conditioner Without Hoses | Hunker
15/9/2021· To avoid the hassle of hoses, some retailers sell ventless air conditioners. Also known as swamp coolers or evaporative coolers , these devices aren''t actually air conditioners at all. While an air conditioner water tank needs emptying to eliminate the water the unit pulls from the air, the water tank in an evaporative cooler must be filled in order to work.