Through this process, warmth is collected and moisture condenses to the coils, just like how a dehumidifier performs. Condensation then falls into a group pan, as well as the cooler and dehumidified air is sent again to the room. Oversized or poorly functioning HVAC: Air conditioners specifically enable control dampness https://www.penmann.co.uk/blog/industrial-dehumidifiers-managing-moisture-in-controlled-environments/