In an era where environmental concerns have taken center stage, the need for sustainable practices has become more pressing than ever before. As the global population continues to grow, so does the demand for cooling solutions to combat rising temperatures and provide comfort in various settings. However, traditional cooling methods have often come at a considerable cost to the environment, consuming substantial amounts of energy and contributing to greenhouse gas emissions. Amidst this challenge, a promising alternative has emerged: district cooling. This innovative approach to cooling not only addresses the environmental impact of traditional cooling systems but also offers numerous benefits in terms of energy efficiency, cost-effectiveness, and urban planning. The concept of district cooling revolves around the centralized production and distribution of chilled water or air, serving multiple buildings within a given area. Rather than relying on individual cooling units in each building, district cooling utilizes a network of pipes to transport chilled water or air from a central plant to connected buildings, providing a more efficient and sustainable cooling solution. By consolidating the cooling process, district cooling reduces energy consumption, minimizes greenhouse gas emissions, and optimizes the use of resources. This book aims to delve into the world of district cooling, exploring its principles, applications, and transformative potential. Whether you are an engineer, an urban planner, an energy consultant, or simply someone interested in sustainable technologies, this book will serve as a comprehensive guide to understanding the fundamental concepts and practical aspects of district cooling. Throughout these pages, we will explore the key components of district cooling systems, including central plants, distribution networks, and building connections. We will delve into the technical aspects, discussing the various chilling methods, heat rejection techniques, and control systems that optimize the efficiency of district cooling. Furthermore, we will examine case studies from different regions and climates, highlighting successful implementations of district cooling in residential, commercial, and industrial settings. In addition to its environmental benefits, district cooling offers economic advantages. We will explore the financial aspects of district cooling, discussing the cost savings it can generate for building owners and operators. We will also examine the potential for integration with renewable energy sources, such as solar or geothermal, further enhancing the sustainability and resilience of district cooling systems. As we progress through the chapters, it is important to acknowledge that district cooling is not a one-size-fits-all solution. Each region and project presents unique challenges and opportunities. Therefore, this book will also address the planning considerations, regulatory frameworks, and implementation strategies needed to successfully deploy district cooling systems. By the end of this book, it is our hope that readers will gain a comprehensive understanding of district cooling and its potential to revolutionize the way we approach cooling in the built environment. We invite you to embark on this journey, exploring the cutting-edge technologies and innovative practices that can shape a more sustainable and comfortable future for our cities. Let us embrace district cooling as a catalyst for change, ushering in an era of sustainable cooling solutions that safeguard our planet for generations to come.