Book excerpt: This book covers different aspects of energy sustainability in residential buildings and neighborhoods, starting from the construction and design aspects, and moving on to HVAC systems and lighting, and the applications, harvesting, use and storage of renewable energy. The volume focuses on smart and sustainable use of energy, discussing both the technological advancements and the economic, social and environmental impacts. Novel approaches to recycling of waste and materials in the context of residential buildings are also presented. This volume will be of interest to researchers and policy makers working in the fields of renewable energy, sustainable design and city planning.