subject: Learning How Whole House Humidifiers Work? [print this page] It is important to carefully choose the best whole house humidifier for your home, one that fits your budget and needs. Properly maintaining the humidifier is important, and manufacturer's guidelines for cleaning and maintaining the humidifier should be followed. Common maintenance includes changing filters, checking for leaks, and cleaning humidifier components. Keeping the humidifier well maintained is important for those who want to know how do whole house humidifiers work. It is also the most important part of owning a whole house humidifying system.