Warm mist only
Warm mist onlyWarm mist only model; potential scalding from high steam temperatures.
Daily maintenance required
Daily maintenance requiredDaily maintenance is required indicates that a manufacturer specifies cleaning every day.
Weekly maintenance required
Weekly maintenance requiredWeekly maintenance is required indicates that a manufacturer specifies cleaning or disinfecting weekly
Need to replace filter or wick
Need to replace filter or wickNeed to replace filter or wick indicates that a model needs to have an absorbing filter or other medium replaced at regular intervals
Need to replace cartridge
Need to replace cartridgeNeed to replace cartridge indicates that a model needs to have a demineralization or an antimicrobial cartridge replaced at regular intervals.
Nightlight or glow-in-the-dark
Nightlight or glow-in-the-darkNightlight or glow-in-the-dark indicates that a model illuminates the area around it.
Indicator for empty tank
Indicator for empty tankEmpty tank indicator is a feature that alerts a user when the tank, or reservoir, need to be refilled.
Automatic shut-off when empty
Automatic shut-off when emptyAutomatic shut-off when empty indicates that a model will turn off when it runs out of water. With evaporative models, this may occur after the unit runs long enough to dry out the filter
StyleStyle is the method used to add moisture to the air.
Claimed humidification area
Claimed humidification areaClaimed humidification area is the manufacturers' intended room size or use area for a unit.
Daily outputThe actual measured output of water in gallons per day.
Claimed maximum run time
Claimed maximum run timeClaimed maximum run time (hrs.) is the number of hours that the manufacturer states the model will run on the lowest setting.
Cord lengthCord length (in.) the length of the power cord in inches.
Claimed wattageClaimed wattage indcates the power consumption of a model on high setting as claimed by the manufacturer