Answer From Julie Baughn, M.D. For safety, always use cool-mist humidifiers for children. Hot water or steam from a warm-mist humidifier or steam vaporizer can burn a child if he or she gets too close. Hot water might also cause burns in the event of a spill.

Is warm or cool humidifier better?

In Summary. Both cool and warm mist humidifiers are great options for adding soothing moisture to dry indoor air. Cool mist is a better choice for homes with children and pets while warm mist models are a little quieter and can help you feel slightly warmer in the winter.

Why are warm mist humidifiers bad?

On the down side, warm mist humidifiers might require more energy, and they can be dangerous if you have young kids or animals around due to its heating element. The heat can also potentially aggravate eczema symptoms in severe cases.