Basements can prove to be a challenge area inside your house or else properly cared for.
The advantage with the portable dehumidifier are that it might be taken from area to area as required, the disadvantage is always that in general portable dehumidifiers are simply just significantly less powerful because larger permanently installed units understanding that in most cases where portability is desirable the pan that holds the river, that is a by product in the dehumidifying process, has to get emptied with a regular basis.