Houses are becoming more airtight as we try to make our homes more energy efficient. Without a good source of fresh air in your home, condensation and mould problems start to arise which can cause problems to your health and home.
What is mould?
Mould spores are constantly floating about in the air around us. If the humidity rate exceeds 80% for a number of hours, these mould spores can germinate on cold surfaces (usually on external walls or around windows). These spores then continue to grow until humidity falls below 60%, when they will go dormant
Apart from looking bad & ruining paint & window cills, there is growing evidence to suggest that mould is also bad for your health
- Breathing problems
- Trigger for asthma
- Irritant to eyes & skin
Mould requires moisture to germinate & grow. In a home this moisture comes from the humidity levels in the air. If we can manage to keep relative humidity levels below 60% mould cannot germinate. This used to be achieved with draughty houses, However with energy efficiency in mind a ventilation system that is properly specified for the home will keep humidity levels in check without losing excessive heat.
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> Why Ventilate? > Indoor Air Quality > Condensation > Efficient Homes > Asthma / Allergies