Control humidity automatically and accurately with Green Air Products Total Humidity Controller. The THC can be switched between humidify and dehumidify to remove unwanted atmospheric moisture accumulating within an enclosed area or to add needed moisture to the air by means of humidification. In the dehumidifying mode high humidity conditions will activate fans or other dehumidifying apparatus until level drops approximately 7% in relative humidity. At this point dehumidifying equipment is disabled until humidity increases again 7%. In the humidifying mode this control operates fogging or other humidifying equipment by activating switches, motors, valves or pumps. Humidifiers can be precisely controlled according to atmospheric humidity to create ideal conditions for any environment.