Why is my Grundig GRHPA 090 not cooling or heating properly?
- VvjonesAug 7, 2025
There might be several reasons why your Grundig Air Conditioner isn't performing well. First, check if the air inlet or outlet is obstructed. Also, ensure that the filter isn't blocked by dust. Consider whether there are too many people in the room, or if doors or windows are open. Finally, verify that the fan speed and temperature settings are appropriate for your needs.