To answer this question, we must first understand how a portable aircon works.
A huge misconception is a portable aircon performs similar to a wall-mounted unit. A portable aircon has a condenser (normally known as the “compressor”) within the unit itself. It requires air to transfer the heat and moisture from the room, and exhaust out from the pipe. The tricky part is, the air must come from somewhere in the room. In a room where it is absolutely sealed, there will be nothing to transfer the heat out of the room, and the portable aircon will simply fail to work.
When using a portable aircon, always ensure there are pockets of air near the aircon, around the window area, so air can be exchanged, and therefore cool air can be distributed from the evaporator (also known as the “cooling coil”).
