Are the Energy Savings of the Passive House Standard Reliable? A Review of the As-built Thermal and Space Heating Performance of Passive House Dwellings from 1990 to 2018

David Johnston |  Mark Siddall |  Oliver Ottinger | Soeren Peper | Wolfgang Feist Abstract The Passive House (PH) standard is a voluntary quality assurance standard focused upon maximizing the health and wellbeing of occupants, whilst reducing space heating demand to a very low level. To meet the PH standard, well-defined criteria have to be met. However, given literature that suggests a ‘performance gap’ for energy savings, the question remains, how well…