TOSOT air conditioners are designed to focus on cooling the air inside a room, without exchanging it with outdoor air. However, the TOSOT 9,000 BTU PTAC model offers an exception with its built-in ventilation feature, which allows a limited amount of fresh air to enter, enhancing comfort in spaces like hotels or offices. Most traditional air conditioners prioritize temperature control over air exchange because introducing outdoor air would reduce cooling efficiency. If fresh air is needed, the PTAC unit or alternative methods like opening windows can help achieve better airflow.
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