奥门威尼斯误乐城87077

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Shopping Guidelines for Ventilation Fans:
Currently there are the following 5 categories of household ventilation fans in the market:
1. Louvered ventilation fans
2. Window-mounted ventilation fans
3. Ceiling-mounted ventilation fans
4. Pipeline-style ventilation fans
5. All-tube ventilation fans 奥门威尼斯误乐城87077
 
The following guidelines should be followed to decide which kind of ventilation fans to buy:
1. When the place to install ventilation fans has a ceiling and there are emission outlets on the ceiling connecting to the outer space, the ceiling-mount ventilation fans can be used.
2. When the place to install ventilation fans has a ceiling and pipelines connecting to the outside exist on the ceiling, the pipeline-style ventilation fans should be adopted, which can use its higher air pressure to assist ventilation.奥门威尼斯误乐城87077
3. When the pipes on the ceiling are to be used for ventilation or speeding up the air flow in large buildings, the hidden all-tube ventilation fans can be used.
4. When it is to be directly installed in the hole on the wall to emit the dirty air to the outside and bring in fresh air, louvered ventilation fans should be used, which are wall-mounted.
5. When it is to be installed on the glass doors or windows of bedrooms, shops, hotels, offices and entertainment places, the window-mounted ventilation fans should be used.
 
 
How to install ventilation fans:
You need to calculate how many fans you need based on the air supply volume of the model. The reference values for calculation are listed below:
 
 

Place of Installation

Required Number of Ventilation Times/Hour

Hotel

Restaurant

8

Kitchen

15

Reception Hall

5

Toilet

5

Laundry

15

Residence

Residence

15

Bathroom, toilet

10

Sitting room, bedroom

6

Hospital

Waiting Area

10

Clinic, Ward

6

Operation Theatre

5

School

Lab, Hall, Classroom

6

Gym

8

Toilet

12

Office

Office

6

Meeting Room

12

Cinema, Projection Booth

Projection Booth

10

Factory

Office

6

Photocopier Room

20

Restaurant, Pub

Dining area

6

Kitchen

20

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