Artificial Ventilation

Air conditioning is becoming popular cooling and ventilating system, which purify air in the interiors.

The following induce artificial ventilation:

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Exhaust Fans

Centrifugal fans

Air Conditioners

Exhaust Fans

Air is extracted or exhausted to the outside by exhaust fans usually operated electrically. As air is exhausted, a vacuum is created which induces fresh air to enter the room through windows, doors and other inlets.

Centrifugal Fans

Fresh air is blown into the room by centrifugal fans so as to create a positive pressure and displace the used air. Sometimes centrifugal as well as exhaust fans are used.

Air Conditioning

Air conditioners are now used to keep temperatures down. Air conditioners were invented to purify air in the interiors. Air conditioning is becoming a popular cooling and ventilating system in homes.

(Source: Webhealthcentre.com)