Simply said, a house with no or very limited heating system. But it is of course more complicated than that. https://en.wikipedia.org/wiki/Passive_house#Space_

Simply said, a house with no or very limited heating system. But it is of course more complicated than that. https://en.wikipedia.org/wiki/Passive_house#Space_heating_requirement https://en.wikipedia.org/wiki/Passive_house#Space_heating_re...