How does a Passive House work? Which requirements exist with regard to components, planning, design, and project implementation? What resources exist to help with Passive House design? What is it like to live in a Passive House, what has already been built, and why are Passive Houses such an attractive investment? In order to competently answer such questions, the International Passive House Association (iPHA) has created an informational brochure entitled, Active for more comfort: The Passive House.