Humidifers are a tool which helps to reestablish an ideal level of humidity inside the home by generating humidity. Generally in winter, this level has a tendency to decrease, which can lead to implications on our health: sore throat, sinusitis, respiratory problems... Humidifiers play an essential role against these annoyances by fighting against overly dry air and improving the comfort and quality of life of the inhabitants of a home. There are two types of humidifier :