“For example: a concrete floor that continues from inside to outside; a poor window frame; or a steel beam that penetrates an ...

Above: The living room of a Passive House conversion in Jersey City, New Jersey, designed by Mowery Marsh Architects with ...

or a steel beam that penetrates an exterior wall.” The delivery of filtered fresh air with heat recovery helps make passive house buildings havens of clean air and energy efficiency, adds Semke.