Humidistats regulate humidity levels in a room and work with air conditioners, humidifiers, and dehumidifiers. They help prevent mold growth and can be built into devices or accessed via remote control. It is important to consult manufacturer guidelines for optimal settings.
A humidistat is a mechanism that works in conjunction with space conditioning machines to regulate the humidity level in a room. They are commonly used with air conditioners, humidifiers and dehumidifiers, measuring the humidity in a given space. When used on a device with a thermostat, such as an air conditioner, a humidistat allows the unit to turn on and off when a predetermined level of humidity is present.
Humidistats ensure that a room maintains a comfortable temperature and help prevent mold growth. Some rooms in a house are more sensitive to humidity and are more prone to mold growth. A bathroom humidistat connects to the ventilation fan in the room, automatically turning off once the humidity level has dropped. Even the upper floors of a house have high degrees of humidity. An attic humidistat works with a fan to keep temperatures manageable and conditions not conducive to mold growth.
There are many humidifiers and dehumidifiers that come with a built-in humidistat. The user can program the device to read the humidity levels in the air, setting it to operate or shut down when the humidity rises or falls. A dehumidifier or humidifier humidistat can be placed directly on the machine or accessible via remote control.
Thermostats with built-in humidistat are also available. A thermostat humidistat allows users to set temperature levels within a space while ensuring that humidity remains at a minimum. The degrees of humidity can be adjusted according to the user’s personal preferences. The typical programmable range for humidity levels is 15%-45% relative humidity (RH). If the level in a room exceeds the desired amount, the humidistat will alert the thermostat to automatically turn on the air conditioner.
A digital humidistat is easy to read and adjust. Displays room temperature, humidity level, and often shows target temperature and level. Most models are simple to program with your preferred information, and many even include safety settings that ensure the unit will operate properly even if the humidistat is tampered with.
Since humidity levels vary in different geographic areas, it is important to consult the humidistat manufacturer’s guidelines to determine the optimum setting for a particular room. If the device is set up incorrectly, it could turn on when it’s not needed, wasting energy and increasing utility costs. Most manufacturers include with each product a list of ideal humidistat settings for a wide variety of locations.
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