The dehumidification function on an air conditioning unit is designed to reduce humidity levels within a space. It operates by cooling the air to a temperature where moisture condenses and is removed, subsequently circulating the drier air back into the room. This process differs from standard cooling, as the primary objective is moisture removal rather than temperature reduction. An example is its use during humid days when maintaining a cool temperature is less crucial than alleviating the discomfort caused by excessive moisture.
Employing the dehumidification function offers several advantages. It contributes to a more comfortable indoor environment by minimizing stickiness and clamminess. Lowering humidity can also inhibit mold growth, thereby improving air quality and potentially reducing allergy symptoms. Historically, this function addresses the need for climate control in regions with high humidity, providing an alternative to energy-intensive cooling when a simple reduction in moisture is sufficient.