Latest articles on Whole house Mechanical Ventilation with Heat Recovery MVHR 
Ventilation combats damaging humidity in houses (12/03/2007)
Everyone of us exhales 10 to 75litres of Co2 per hour and up to 175 grams of water per hour. A family of four produces 10-15 litres of water vapour a day through breathing washing, showering and cooking. The ability of air to absorb this vapour is dependent on temperature: the warmer the air, the more it can absorb. Extract ventilation can remove water vapour at source. And insulation eliminates cold surfaces on which condensation can form resulting in mould growth. Traditionally homes wer... [more]
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