Vivienne Brophy is a Lecturer in Architectural Design and Technology in University College Dublin (UCD) and a Director of the UCD Energy Research Group. Vivienne's research and teaching focuses on supporting undergraduate and post graduate students, the architectural profession and the wider construction industry to meet the challenge for design teams today in delivering truly sustainable buildings. J Owen Lewis is Professor Emeritus of Architectural Science in University College Dublin (UCD) and currently Chief Executive of the Sustainable Energy Authority of Ireland (SEAI), Ireland's national energy authority. He was Director of the UCD Energy Research Group for over thirty years and has co-ordinated many European Commission energy research and dissemination activities and has lectured in most EU Member States on sustainable architectural design.