## Calculate Turbovent

### Step:-1

Calculate the volume of the building.

Length *
Width *
Height *
Total volume *

Press to calculate total volume

### Step:-2

Determine the rate of air flow required for your specific application.The rate of air flow is measured in air changes per hour. Air changes per hour is the volume of air that needs to be replaced with fresh air every hour. Determine the rate of air changes required for your specific application indicated in the ACH Table. (Refer to ACH table below calculation table).
e.g. Factories and Workshops = 4 - 6 air changes required. Average air changes = 5.

### Step:3

Multiply the volume (step 1) by the number of air changes required (step 2).

m3 *
Air Flow Rate *
= m3 Total volume of air: *

Press to calculate total volume

### Step:4

Determine the size and quantity of Tornado turbine ventilators required for the above application.
Total volume of air (step 3) divided by the extraction capacity of the specific Tornado Turbine.

= m3 : *
Tornado Size: *Select preferred Tornado size
= Units : *

Press to calculate total units

### Inquiry

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 Please use this table as a guideline to your calculation: ACH TABLE Ventilation Guidelines Commercial Premises ACH Industrial Premises ACH Assembly rooms Bakeries Banks Cafes and coffee bars Canteens Cinemas and theatres Conference rooms Dancehalls Entrance halls Garages Gymnasiums Hair dressing salons Hospital sterilising wards Commercial kitchens Laboratories Launderettes Lavatories Libraries Offices Photo and X-ray darkrooms Recording studios Restaurants Schoolrooms 4 - 8 20 - 30 3 - 4 10 - 12 5 - 10 5 - 8 8 - 12 6 - 8 3 - 5 6 - 8 6 - 12 10 - 15 4 - 6 15 - 30 8 - 12 15 -30 8 - 15 3 - 5 4 - 8 10 - 15 10 - 12 6 - 10 2 - 4 Boiler rooms Dye works Electroplasting shops Engine rooms Factories and workshops Foundries Laundries Paint shops Stores and warehouses Welding shops 20 - 30 10 - 15 10 - 15 20 - 30 3 - 6 30 - 60 30 - 60 30 - 60 3 - 6 15 - 30