Ventilation

Under building regulations you will find that the volume of air contained within the building is required to be completely replaced every 15 – 30 minutes. Ventilation flow rate, air exchange rate all sorts of rates led to confuse. Vent Axia provide a simple table that make a complicated subject fairly simple –

Vent Axia Design Document

You can also go to https://www.ncbi.nlm.nih.gov/books/NBK143289/ for technical stuff. This inevitably requires the installation of extractor fans, louvres in doors and pipe works in the roofing space and designed by experts.

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