Honeywell Home Mistmate 0.5-Gallon Cool Mist Humidifier Although it has a simple design, the Honeywell Home Mistmate 0.5 Gallon Cool Mist Humidifier ($30) gets so many high reviews because it just works so well. Put it on your nightstand and watch it work its magic. Image Source: bestbuy.com Honeywell Home Mistmate 0.5 Gallon Cool Mist Humidifier $30 from bestbuy.com Buy Now