A common question that people often have is what is a dehumidifier. The answer is simple: it is a type of air conditioner.
In common usage an air conditioner is a device that cools the air. However, any device that changes the condition of the air is technically also an air conditioner. Heaters, air purifiers, dehumidifiers, humidifiers, etc. all fit into this category.
Particular Case: Dehumidifier
In the case of dehumidifiers, the device removes water from the air to lower the relative humidity. That’s it. That’s all a dehumidifier does. It removes water from the air.
If you want to see one in action check out the video below. I can’t say I would recommend the product they show but it’s fun to see one in action. If you want to see our recommendations checkout the best dehumidifier post. If your interested in a basement dehumidifier go to the same page because our recommendations are mainly focused on home applications.