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brownpatriciaAug 14, 2025
Why is my Gree GWH12KF-K3DNA6A cooling/heating efficiency not good?
- MmoorelauraAug 14, 2025
Check if the temperature setting is appropriate, inlet and outlet vents are unobstructed, the filter is clean, windows and doors are closed, the fan speed is not set to low, and there are no heat sources in the room.