Old Window Air Conditioner Not Cooling

If the compressor isn t running but the fans work the start relay or compressor might have failed.

Old window air conditioner not cooling.

This video shows the steps for partial or complete disassembly. A window or room air conditioner that doesn t cool may need to be recharged with refrigerant but the chances are good it simply needs to be cleaned. Window ac not cooling. The first step in cleaning or repairs will be to at least partially disassemble the air conditioner.

If your air conditioner loses its ability to cool off the room check for these potential problems first many of which won t require a professional repair. In a properly working air conditioner a fan will draw air over the evaporator coils where it is cooled and then be re circulated back into the room. One of the most common reasons for a window air conditioner to fail to deliver cold air is incorrect mode selection.