Vacant the water right away, thoroughly clean the tank, and clean or replace the filter as required. The desiccant rotor also requires cleansing based upon your unit’s specific prerequisites. HVACLifehack.com is reader-supported. We might gain a commission as a result of products procured using inbound links on this web page. https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/