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Cool Air Vs. Warm Air Humidifier

Choosing the proper humidifier depends on several factors: its primary use in your home; the humidification needed; the location of use; and the local climate. Both types of humidifier will provide increased overall comfort in your home.

  1. How Humidification Works

    • Humidifiers are designed to add moisture to the air in enclosed areas. Increased humidity can be especially important in winter months, when air moisture levels naturally decrease. For home comfort, humidity levels should generally range between 30 percent and 50 percent, reaching as high as 70 percent if that's your personal preference.

    Warm Air

    • Warm air vapor is easily seen or touched and is most beneficial for treating illnesses like the flu and colds. Many warm-air humidifiers include an integrated container for inhalants and medicines. Drawbacks of warm moisture are mineral deposits, which can be hard to clean; an increased risk of steam burn; and a smaller coverage area.

    Cool Air

    • Cool vapor is invisible and easier to breath, and also offers a greater coverage area. It increases comfort in warmer climates and can reduce dust particles. Cool-air humidifiers are easy to clean, but are subject to mold and algae growth when not properly maintained.

    General Health Risks

    • Health risks--mold, dust mites and bacteria--exist with humidity levels in excess of 50 percent. Each of those risks can lead to increased symptoms for allergy and asthma sufferers.

    Make Your Choice

    • Evaluate your needs and weigh the benefits of each kind of humidifier in order to select the best model for your home.

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