History of ventilation: Mechanical supply and extract air ventilation introduced into apartment blocks in 1960s!
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August 22, 2016

History of ventilation: Mechanical supply and extract air ventilation introduced into apartment blocks in 1960s!

Even if mechanical extract air systems were the most common forms of ventilation solutions in housing in the 1960s, apartment blocks were sometimes built with supply and extract air solutions. However, in contrast to non-residential buildings, the return air principle was only used to a small extent.