The book "Building Energy Act for Property Owners and Landlords" offers a comprehensive and understandable presentation of the requirements of the Building Energy Act (GEG). It is aimed at property owners and landlords who need to deal with issues related to heat planning, renovation, and funding programs. The clear structure and practical presentation of the content enable readers to confidently implement the legal requirements. This work is particularly valuable for anyone looking to inform themselves about current regulations and their application. It provides not only legal information but also practical tips for implementing the GEG requirements in the real estate sector. The combination of expertise and accessible language makes this book an indispensable companion for anyone working in property management.