The aim of ‘e + Green Home’ is to realize first domestic Energy Plus and a green home prototype of the future suggesting three e+ concepts; 1. Energy+, sustainable Energy Plus integrated with green technologies, 2. Eco+, environmental friendly housing, 3. Emotion +, housing which stimulates customer’s design emotion. The emphasis is to develop practicable green homes by reducing energy consumption in the house at the lowest cost and optimize the manufacturing technologies. Also, Kolon Engineering & Construction introduced advanced techniques of the production and building energy reduction by making agreement with Fraunhofer Institute of Solar Energy (Fraunhofer ISE) which has the best level of research on building and solar energy. And the construction of ‘e + Green Home’ has been completed through strict technical assessment.