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Andrew SmallJul 28, 2025
Why does my Trane Air Conditioner make noise?
- SSusan CostaJul 28, 2025
Your Trane Air Conditioner might make noise for several reasons: * A slight cracking sound might be heard when the unit starts because the electronic expansion valve is initializing. * You may hear the sound of gas refrigerant flowing in the unit, especially when cooling. * There could be sound when the unit starts or stops, as gas refrigerant starts or stops flowing. * A slight sound might be heard when the unit is running or after running, due to the drainage system operating. * A cracking sound might be heard when the unit is operating and after operating, as the unit panels expand or contract due to temperature change.
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