one of probably the most counterintuitive concepts in inexperienced construction is that of the airtight construction envelope the concept a home' ation skin (par ions roof and so on. ) will have to be totally sealed & the indoor air managed through mechanical air flow. for lots of this turns out contradict the perception of a green building' ation incorporating natural ventilation. purchasers often ask us "wait does not my e need breathe? may not it just fill up with mildew & stale air if there's no air p ing throughout the & walls?" this concern is in keeping with centuries of legitimate observations that sealed buildings (especially in humid climates) develop mold and condensation.
developing natural ventilation by manually establishing the has lengthy been a unadorned simple manner of adding recent air into a unadorned stale atmosphere. however as of late there are a couple of components believe that didn't exist centuries ago. y home , green building. mechanical ventilation can if truth be told be higher for your own home than the kind.
in finding out the whys and hows here.