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  2. The 12 Best Cool-Mist Humidifiers That Will Become the Unsung ...

    www.aol.com/12-best-cool-mist-humidifiers...

    Amazon. ATTN: Allergy sufferers. This Levoit humidifier has a 360-degree rotating nozzle that spreads an ultra-fine cool mist into the air for fast relief from allergens.

  3. The Best Humidifiers to Help You Breathe Easier - AOL

    www.aol.com/lifestyle/best-humidifiers-help...

    Digital Trends named this humidifier the best overall, writing that “with a 1.5-liter tank, it’s perfect for bedrooms, offices, and medium-sized rooms.” The MistAire can run for up to 16 ...

  4. Should You Try a Cool Mist Vs. Warm Mist Humidifier? Experts ...

    www.aol.com/try-cool-mist-vs-warm-201000704.html

    Ultrasonic cool mist humidifiers. Using physical sonic energy or vibrational sound energy, Dr. Yong notes, these humidifiers produce a cool mist that adds moisture to the air. Warm mist humidifiers

  5. Humidifier - Wikipedia

    en.wikipedia.org/wiki/Humidifier

    A humidifier is a household appliance or device designed to increase the moisture level in the air within a room or an enclosed space. It achieves this by emitting ...

  6. Fog nozzle - Wikipedia

    en.wikipedia.org/wiki/Fog_nozzle

    A fog nozzle. A fog nozzle is a firefighting hose spray nozzle that breaks its stream into small droplets.By doing so, its stream achieves a greater surface area, and thus a greater rate of heat absorption, which, when compared to that of a smoothbore nozzle, speeds its transformation into the steam that smothers the fire by displacing its oxygen.

  7. Hypoxic air technology for fire prevention - Wikipedia

    en.wikipedia.org/wiki/Hypoxic_air_technology_for...

    Hypoxic air technology for fire prevention, also known as oxygen reduction system (ORS), is an active fire protection technique based on a permanent reduction of the oxygen concentration in the protected rooms. Unlike traditional fire suppression systems that usually extinguish fire after it is detected, hypoxic air is able to prevent fire.