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How to choose the suitable type of ventilator?

views: 83  time: 2021-08-11

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How can I know the air volume I need?


Room typeNon-smokingSlight smokingHeavy Smoking
Ordinary wardGymTheater&mallOfficeComputer roomDining roomVIP roomMeeting room
Personal frsh air consumption(m³/h)(Q)17-428-208.5-2125-6240-10020-5030-7550-125
Air changes per hour(P)1.06-2.650.50-1.251.06-2.661.65-3.92.5-6.251.25-3.131.88-4.693.13-7.81

Example

The area of a computer room is 60 sq meter(S=60), the net height is 3 meters(H=3), and there are 10 persons(N=10) in it.

If it is calculated according to “Personal fresh air consumption”, and assume that:Q=70, the result is Q1=N*Q=10*70=700m³/h

If it is calculated according to “Air change per hour”, and assume that: P=5, the result is Q2=P*S*H=5*60*3=900m³/h

Since Q2>Q1,Q2 is better for selecting the unit.

As to special industry such as hospitals(surgery and the special nursing rooms), labs, workshops, airflow required should be determined in conformity with regulations concerned.


Contact

MENRED Group

Ecomomy Park HQs, Yueqing City, China.

MENRED GmbH

Weisswasser Germany

MENRED Green Building Industrial Park

Oujiangkou New Area,Wenzhou City,Zhejiang China.

MENRED Enviromental Tech Industrial Park

Nanhu District, Jiaxing City, Zhejiang China.