For equivalent moisture removal it usually cost less than half as much to own and operate as either adsorption or absorption equipment. The only periodic maintenance required is the cleaning of air filter, which can be accessed with simple tools.
De-humidification is accomplished by drawing the room air into the dehumidifier and cooling it below the ambient dew point. This results in condensing of water vapour. The air is then passed through the refrigerant condenser coil, reheated and blown back into the room.
Blood Bank Refrigerator
Cold Cabinet
Mortuary Chamber