Old Window Air Conditioner Not Cooling

This video shows the steps for partial or complete disassembly.

Old window air conditioner not cooling.

The most common cause of window air conditioners not blowing cold air is a lack of adequate air flow. The first step in cleaning or repairs will be to at least partially disassemble the air conditioner. Window ac not cooling. 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.

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. 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. 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.