History of ventilation: Extract air ventilation in detached houses, especially in northern Europe in 1970s!
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August 24, 2016

History of ventilation: Extract air ventilation in detached houses, especially in northern Europe in 1970s!

Buildings started to be designed with increasingly more air-tight envelopes. To ensure the desired ventilation flows all year round, mechanical extract ventilation systems, and even supply and extract systems, also began to be installed in new detached houses.