Why is my Friedrich CP05 Air Conditioner not cooling properly?
- MMatthew CarrNov 20, 2025
If your Friedrich Air Conditioner isn't cooling well, several factors could be at play. First, ensure the unit is appropriately sized for the room; consult an industry sizing chart to verify. Check and set the thermostat to the coldest setting, testing it and replacing it if necessary. A dirty filter can also impede cooling, so clean it as advised in the Owner's Manual. Furthermore, inspect the condenser or evaporator coil for dirt or restrictions, cleaning them with a pressure wash or biodegradable agent. Ensure good air circulation by adjusting the discharge louvers and using a high fan speed. For models with fresh air or exhaust air doors, make sure they are closed, and understand how to use them. Finally, low capacity due to undercharge or a compressor that isn't pumping correctly can ...










