We can provide ventalation solutions for domestic commecial and industrial applications, please find below some helpful information:

Air change ratings
The simplest method of determining the ventilation rate required is to make use of the accumulated experience of the industry expressed in a table of air change rates. The volume in cubic metres (m3) of the space to be ventilated is calculated and multiplied by the number of air changes per hour to give the ventilation rate in m3 per hour. Division by 3.6 converts this to litres per second.

Ventilation rate (litre/s) = Volume (m3) x air changes per hour

Before you begin to think that this is getting rather complicated, be reassured that in practice if we design a normal ventilation scheme to deal with temperature rise and air movement, the remaining factors of humidity and purity (concentration of CO2, odours and dust) are taken care of. There are exceptions to this in the case of humidity and dust, but they usually occur in the more specialised applications where the requirements are either for full air conditioning with dehumidification by refrigeration for humidity control, or for specific dust removal.

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