Some dehumidifiers have huge tanks that need emptying. Some others may be attached into a hose for continuous drainage. Constant drainage is much more practical for industrial use. Also, look for robust handles – preferably ergonomic handles or even a force-bar manage (similar to a dolly) for your heavier units. https://industrial-dehumidifiers55433.blogrelation.com/44542149/what-does-industrial-dehumidifier-hire-mean