„… systems are more expensive, unreliable and difficult to maintain. Many times this is not the case, but …” „… and if energy use by residents is made visible in real-time on an individual or collective basis or …” „… Certificates and awards for energy-related achievements in defined award categories (5 and 2categories in the e …”

„… projects with a payback time of less than five years, and publicly reporting on energy and water …” „… development (wind energy development zones) and introduces monitoring and evaluation of results over time …” „… systems of new buildings; EnEV has been revised four times since 2002. Energy performance requirements for …”