Retrofitting the Built Environment to the Passive House Standard EnerPHit is perhaps the world's most stringent and comprehensive standard for energy retrofits. Based on sound building physics, the standard calls for the use of high quality components to retrofit an existing building and transform it into an energy efficient structure. The result is outstanding energy performance as well as: Air tight warm walls, floors and windows with no more uncontrolled air infiltration that cause draughts, condensation or mould A constant supply of fresh, filtered air at just the right temperature, making for superior air quality A reduction in heating and cooling, thus energy bills of up to 90% Reduced CO2 emissions due to a lower heating and cooling demand. Enerphit Australia have brought together and activated a range of suppliers and practitioners in this space. Our aim is to be a one stop shop to design, engineer, model and then deliver your existing building from energy inefficiency to being energy Phit. Enerphit Australia is a Shorebird Group company.