The answer to 'how does humidifier work' is that a humidifier is a device that adds moisture or humidity to the air in a home or building. It works by converting water into a fine mist or vapor that is then dispersed into the air, increasing the overall humidity levels. This helps to prevent dry air that can lead to health issues, static electricity, and damage to wood furniture.
Humidifiers typically have a water reservoir that is filled with clean water. The water is then drawn up and passed over a wick, belt, or ultrasonic mechanism that breaks it down into a fine mist. A fan then blows this mist out into the air, increasing the moisture content. Many humidifiers also have settings to control the desired humidity level and automatically turn on and off to maintain it.