Certification is a uniform and commercially practical verification of stated performance claims.
It is now being submitted to the ANSI canvass process for peer review. The expanded standard includes portable ultrasonic, portable impeller, portable steam vaporizer, console evaporative, tabletop evaporative, and warm mist humidifier technologies. The Humidifier Standard will also include definitions that reflect the application of various unit sizes. Room Humidifier - a humidifier that will humidify spaces from 0 to 749 square feet. Whole House Humidifier - a humidifier that will humidify spaces 1,400 square feet and greater.