Old Window Air Conditioner Not Cooling

The first step in cleaning or repairs will be to at least partially disassemble the air conditioner.

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. One of the most common reasons for a window air conditioner to fail to deliver cold air is incorrect mode selection. 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.

If the window air conditioner s compressor and fans are running but the air conditioner isn t cooling possible causes include a failed compressor or the lack of refrigerant due to a leak in the sealed system. However when the unit is properly set to cool but it doesn t blow cool air possible problems include low refrigerant dirty air filters and coil freeze over. Window ac not cooling.