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  2. Negative room pressure - Wikipedia

    en.wikipedia.org/wiki/Negative_room_pressure

    Schematic of a network of rooms where air (shown in blue) flows in one direction from the corridor into the negative pressure room (green). Exhaust air is safely removed from the area through a ventilation system. Negative pressure is generated and maintained in a room by a ventilation system that continually attempts to move air out of the ...

  3. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air in a central location such as a furnace room in a home, or a mechanical room in a large building. The heat can be transferred by convection, conduction, or radiation. Space heaters are used to heat single rooms and only consist of a single unit.

  4. Room air distribution - Wikipedia

    en.wikipedia.org/wiki/Room_air_distribution

    Supply diffusers in the ceiling are fed by fan coil units in the ceiling void or by air handling units in a remote plant room. The fan coil or handling unit takes in return air from the ceiling void and mix this with fresh air and cool, or heat it, as required to achieve the room design conditions. This arrangement is known as 'conventional ...

  5. Best space heaters in 2022 — tested and rated - AOL

    www.aol.com/news/best-space-heaters-2022-tested...

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  6. Do I need to worry about space heaters? Here’s what experts ...

    www.aol.com/lifestyle/worry-space-heaters...

    Space heaters can and do cause fires, making it important to be mindful about how you use them. However, experts say it's possible to use electric space heaters safely. If your model is new, is in ...

  7. Positive pressure - Wikipedia

    en.wikipedia.org/wiki/Positive_pressure

    Positive pressure is a pressure within a system that is greater than the environment that surrounds that system. Consequently, if there is any leak from the positively pressured system, it will egress into the surrounding environment. This is in contrast to a negative pressure room, where air is sucked in. [1] [2]

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