Passive House (Passivhaus) represents today’s highest energy standard for building performance with the promise of reducing the operational energy consumption of buildings by up to 75% in California, while providing superior comfort and extreme indoor air quality – all with minimal additional upfront investment. When coupled with renewable energy systems, such as solar PV, Passive House puts zero net energy within easy reach. Passive House is a proven standard, already applied to more than 100,000 buildings in all climate zones and is growing exponentially.