The objective of this guide is to bring you to a level of comprehensive understanding of how to Plan, Design and Execute the construction of a house with Multimodal Cargo Containers, as an Affordable and Sustainable Alternative, which meets the needs of your family and your budget. Throughout this guide, there will be various summary, informative, and comparative tables that will help you visualize and select the best alternatives that best suit your requirements; You will have the description of success cases, the addressing of case studies, video references, and access to the Support Video Channel: "Casa Contenedor" - La Alternativa (which has more than 350 support videos). In addition to distinguishing the principles of a passive house, you will discover how Eco technologies can be incorporated into a Sustainable Building with ISO containers. The main Eco technologies, their characteristics and those products that contribute to optimizing the operation of the systems that make up a Container House will be discussed.