Temperature & Humidity Controllers
Unfortunately, most hydroponic growers cannot be around to monitor a thermometer all day to manually activate fans or other atmosphere control devices. Luckily, humidity control and temperature control is possible by using a temperature and humidity controller. These devices make it much more manageable to lower humidity in a grow tent or room by automatically activating your hydroponic air conditioning systems.
HTG Supply offers several models of temperature and humidity controllers that come with manufacturer warranties against defects.
Speed Control Compatible