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The Best Humidifiers Without Filters

By Angel Lancaster

Keeping your home humidified is an effective health strategy. If you suffer from asthma or other breathing problems you might find that excessively dry air aggravates your condition. Adding humidity to the air of your home can be expensive if you need to constantly replace filters. Some manufacturers have models that do not require filters for the units, according to

Air-O-Swiss Ultrasonic 7144

This versatile humidifier produces cool and warm mist. ConsumerSearch ranked the Air-O-Swiss humidifier best overall humidifier in 2010. The unit rates at being adequate for a room of 650 square feet. Use the digital humidistat to set the humidity level of the room. It doesn’t require a filter but does have two replacement parts that require service periodically. A demineralization cartridge to minimize the dust generated by the minerals left in the water reservoir requires replacement every two to three months. Annually, a silver antibacterial stick needs replacing. This unit is one of the higher priced humidifiers at $200, according to a 2010 price index.

Crane EE-5301 Cool Mist Humidifier

Rated by ConsumerSearch as the best budget cool mist humidifier of 2010, the Crane EE-5301 Cool Mist Humidifier has a price tag at approximately $50. The Crane unit only covers 250 square feet but it has multiple mist output levels, controlled by a knob on the unit. The total output of the unit is 2.3 gallons per day with a 1 gallon reservoir. The reservoir needs refilling multiple times during the day. When the reservoir runs dry, there is a built-in automatic shut-off switch.

Vicks Warm Mist V745A

If you prefer to have your house warm in the winter, a warm mist humidifier will perform well. The Vicks Warm Mist V745A was selected by ConsumerSearch as the best budget warm mist humidifier of 2010. Vicks Warm Mist V745A has two humidity settings, a small tank and a built-in shut off switch when the reservoir runs dry. Reviewers report that the unit will run for 12 hours on the low humidity setting. When refilling or cleaning the reservoir, the manufacturer recommends waiting at least 15 minutes due to the unit's high temperature. Clean the tank weekly using a vinegar solution for descaling purposes. According to 2010 pricing data, the retail price of the Vicks Warm Mist V745A is about $35.

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