A type of humidifier known for its wetted element design is referred to as which type?

The type of humidifier referred to by the wetted element design is known as a power humidifier. This design typically involves a mechanism that uses a wetted surface through which water is evaporated into the air stream, effectively increasing humidity levels. Power humidifiers often utilize mechanical methods such as fans or blowers to move air over the wetted element, which enhances evaporation rates and allows for precise control over humidity levels in a space.

This type of humidifier is particularly effective in larger environments where maintaining a specific humidity level is essential, such as in industrial applications or commercial buildings.

The other humidifier types, while they may use different methods or principles for humidification, do not focus on a wetted element design. Pan humidifiers usually rely on gravity or basic evaporation without active airflow, steam humidifiers utilize heated water to produce steam, and evaporative humidifiers involve the natural evaporation process rather than a wetted element combined with airflow. Therefore, the distinction for the wetted element design clearly identifies it as a power humidifier.