Department of Electrical Engineering College of Science and Technology Royal University of Bhutan Phuentsholing P.O.Box 450 Bhutan;
Division of Mechanical Engineering Korea Maritime and Ocean University Busan 606 791 South Korea;
Sustainable Building Research Centre University of Wollongong NSW 2522 Australia;
Phuentsholing Higher Secondary School Phuentsholing Bhutan;
Energy efficiency; policies; retrofits; incentives;