Air Humidifiers

How They Work

Generally, air humidifiers have a bypass flow-through style that uses a pipe to bring water directly to an electrically controlled valve at the top of the humidifier. Air passes through an aluminum pad (often called a biscuit; the term “biscuit” emphasizes the solid rather than foamy form). The pad has a coating of ceramic, resulting in an extremely large surface area within a small space. When the humidistat calls for humidity, the valve is opened and causes a spray of water onto the pad. Hot air is passed through the pad, causing the water to evaporate from the pad and be carried into the building.

General Aire 1042 Humidifier | Canadian Heating and Air Conditioning
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