Passivhäuser+ provides the essential expertise for the safe planning and construction of passive houses. In addition to the fundamental building physics principles, the author explains the basic considerations in design as well as the constructive and technical specifics. Various detailed options for building envelopes and building services are presented and compared, including aspects related to costs and potential savings. Practical construction management tips and photos raise awareness of typical sources of error and help to avoid construction damage. Furthermore, the technical book offers guidance on the modernization of existing buildings and demonstrates how the passive house standard can be achieved retroactively. Based on typical questions and concerns regarding passive house construction, the author provides practical arguments for planners, contractors, and clients. Numerous example projects are presented.