Maintaining a low humidity level in small spaces such as RV's & boats is the mission of a compact dehumidifier. The uniqueness of these spaces versus a home is that many times there is no power available and they may sit unused for months at a time. For these special circumstances a dehumidifier that doesn't rely on power to remove humidity is a must. This category of dehumidifier generally uses special mineral formulations to absorb moisture from the air and only require period replacement once the mineral has been spent . They call these type absorption or desiccant dehumidifiers. Some of these can be recharged such as the
which uses a crystallized silica gel that is odorless, non-toxic and completely safe. Besides, no power means they are very convenient to use in RV's and boats during storage, as well as basements in homes, gun cabinets, small closets that often trap moisture leading to mold and mildew.