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Kelly MorseAug 8, 2025
Why is my Carrier 42QSM018DS Air Conditioner not cooling or heating properly?
- AAmanda MartinAug 8, 2025
If your Carrier Air Conditioner isn't cooling or heating well, check these things: * Make sure the temperature and mode are set correctly. * Ensure the air filters are clean. * Confirm that all windows and doors are closed. * Verify that airflow isn't blocked around the indoor and outdoor units. * Set the fan speed to high and adjust the louvers for maximum airflow.
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