Building System & Diagnostics, or BSD as we like to call ourselves, started off in 2003 as a spin-off company of the National University of Singapore (NUS). We provides consultancy towards achieving the environmentally sustainable design and construction of buildings and the built environment. In the process, we strongly promulgates the three Es of a conservation economy: Equity, Ecology and Economy. We offer expert advice in the following areas: - Environmental Planning for townships and cities Sustainable Building Design Strategies - Building Performance Simulations [Airflow, Energy, Daylighting] - Green Building Certifications - Green Building Workshops - Green Material Specifications and Selections - Energy Conservation and Management - Building Commissioning and Post Occupancy Evaluation Studies