Evaporative coolers, from time to time known as "swamp coolers", don't have a compressor or condenser. Liquid water is evaporated within the cooling fins, releasing the vapor to the cooled place. The portable units draw indoor air and expel it outdoor by way of a single duct. Lots of moveable https://drive.google.com/drive/folders/1DwQcVWGr5RtTFleX78g087Tcbb3eCLQO