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  2. Dehumidifier - Wikipedia

    en.wikipedia.org/wiki/Dehumidifier

    A dehumidifier is an air conditioning device which reduces and maintains the level of humidity in the air. [1] This is done usually for health or thermal comfort reasons or to eliminate musty odor and to prevent the growth of mildew by extracting water from the air. It can be used for household, commercial, or industrial applications.

  3. 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 water droplets or steam into the surrounding air, thereby raising the humidity.

  4. Moisture removal efficiency - Wikipedia

    en.wikipedia.org/wiki/Moisture_removal_efficiency

    DOAS Diagram. Moisture Removal Efficiency (MRE) is a measure of the energy efficiency of any dehumidification process. Moisture removal efficiency is the water vapor removed from air at a defined inlet air temperature and humidity, divided by the total energy consumed by the dehumidification equipment during the same time period, including all fan and pump energy needed to move air and fluids ...

  5. Extreme cold: Why your house is popping and how to prevent ...

    www.aol.com/extreme-cold-why-house-popping...

    Bitter cold weather can make your home do strange things. Here's why your house is popping and what you can about freezing problems.

  6. Avoid mold and mildew with these expert-approved dehumidifiers

    www.aol.com/news/avoid-mold-mildew-expert...

    When air enters a dehumidifier, a filter cleans the air by trapping any debris. When the air filter is clogged, it can reduce the unit’s performance, so regular cleaning is important.

  7. How Children Can Improve Their Cold Weather Breathing

    www.aol.com/news/children-improve-cold-weather...

    Winter’s dry air can create a variety of breathing difficulties for the approximately 4.6 million children with asthma or other respiratory conditions in the United States. To keep the littlest ...

  8. Work of breathing - Wikipedia

    en.wikipedia.org/wiki/Work_of_breathing

    The normal relaxed state of the lung and chest is partially empty. Further exhalation requires muscular work. Inhalation is an active process requiring work. [4] Some of this work is to overcome frictional resistance to flow, and part is used to deform elastic tissues, and is stored as potential energy, which is recovered during the passive process of exhalation, Tidal breathing is breathing ...

  9. Displacement ventilation - Wikipedia

    en.wikipedia.org/wiki/Displacement_ventilation

    Absorbing the heat from heat sources, the cold air becomes warmer and less dense. The density difference between cold air and warm air creates upward convective flows known as thermal plumes . Instead of working as a stand-alone system in interior space, displacement ventilation system can also be coupled with other cooling and heating sources ...

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