This course provides to reduce the carbon footprint of organisations and encourage the conservation of energy, energy efficiency has become an integral part of building services design, maintenance and upgrade. This course consists of four modules that, together, provide an introduction to energy efficiency in buildings. It is a comprehensive tutorial, meant to engage and challenge students to consider the many decision levels and options involved in advancing energy efficiency in buildings. The course covers the fundamental technical, design, policy and financial dimensions necessary to practically engage on the topic. Energy efficient buildings are a cornerstone of a prosperous, sustainable and healthy society. This course aims to prepare participants to successfully advance energy efficient building construction and retrofits by equipping them.