cooler, ionizer, humidifier

@Ritchelle (3797)
April 3, 2009 5:57am CST
i'm talking of a certain home appliance that does all three. i know what cooling is. the ionizer i believe makes the air healthier to breathe by sucking in germs and dirt, right? what does the humidifier do? does it make the air hotter or cooler also?
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