Passive house

Uncommon card · No. 147383

Passive house or Passivhaus is a voluntary building performance standard designed to have high energy efficiency and thermal comfort while substantially reduces a building’s carbon footprint. Buildings certified to the standard are ultra-low energy and typically require very little energy for space heating or cooling. The approach is used for housing and for non-residential buildings such as offices, schools, kindergartens and healthcare facilities. Energy efficiency is integral to architectural design rather than an add-on. Although most common in new construction, the principles are also applied in deep renovations. As of January 2025, projects certified by the Passive House Institute (PHI) comprise over 47,400 units with about 4.32 million m2 (46.5 million sq ft) of treated floor area (TFA) worldwide; the public PHI database lists nearly 6,000 projects. In North America, the Passive House Institute US (PHIUS) reported over 500 certified projects in total and around 1.6 million sq ft...

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