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jonathan37Aug 16, 2025
Why is my Fujitsu Halcyon AOU9RQ cooling or heating poorly?
- AAngela MooreAug 16, 2025
Poor cooling or heating performance in your Fujitsu Air Conditioner can stem from several factors: a dirty air filter, blocked intake grille or outlet port, incorrect room temperature settings, open windows or doors, bright sunlight entering during cooling (close the curtains), presence of heating apparatus, computers, or too many people in the room during cooling, or the unit being set to SUPER QUIET operation. Check these aspects to improve performance.
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