Design and Performance of the MECM LEO building

The LEO building demonstrates the feasibility of the energy efficiency measures according to the Malaysian Standard MS 1525:2001 "Code of Practice on Energy Efficiency and use of Renewable Energy for Non-residential Buildings".

Following this code, the LEO building have target to have an energy consumption less than 135 kWh/m2year, and finally it was achieved.

The predictions are, that the LEO building will have an energy index close to 100 kWh/m2year. This is a very good performance compared to typical new office buildings in Malaysia and the ASEAN region, having an Energy Index of 200 – 300 kWh/m2year.

The energy efficiency measures that are expected to contribute to achieving the goal of an Energy Index of 100 kWh/m2year are:

• Creation of a green environment around and on top of the building.
• Optimisation of building orientation, with preference to south and north facing windows, where solar heat is less than for other orientations.
• Energy efficient space planning.
• A well insulated building facade and building roof.
• Protection of windows from direct sunshine and protection of the roof by a double roof
• Energy efficient cooling system, where the air volume for each building zone is controlled individually according to demand
• Maximise use of diffuse daylight and use of high efficiency lighting, controlled according to daylight availability and occupancy
• Energy Efficient office equipment ( less electricity use and less cooling demand )
• Implementation of an Energy Management System, where the performances of the climatic systems are continuously optimised to meet optimal comfort criteria at least energy costs