Given that They're smaller, they also don’t have to have a pump for automatic drainage. As for other desiccant dehumidifiers, they don't need a reservoir tank or drain hose with the gathered moisture. On the other hand, industrial desiccant types do must be ducted outside or by several rooms to https://dstdehumidifiers.co.uk/case-studies/desiccant-dehumidifiers-in-cold-stores/