The SPT SU-4010 is part of the Humidifier test program at Consumer Reports. In our lab tests, Humidifier models like the SU-4010 are rated on multiple criteria, such as those listed below.
Output: Output is based on the number of gallons emitted daily per square foot of the recommended humidification area.
Convenience: Convenience is the ease of operating and maintaining a unit.
Noise: Noise is based on the sound level, in decibels, at the unit’s highest operating setting.
Unbiased: Retailers cannot influence placement.
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New products only: You will never find used or refurbished products for sale.
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