Energy Efficiency and Glazing

Want to learn how to calculate if your building glazing complies with the energy provisions of the National Construction Code? This is a compliance requirement for new buildings and can affect the building costs and forms if not appropriately considered during design. The software is available on the ABCB website.

Remember glazing system thermal properties are for the whole glazing assembly (glass and frame) not just the glass.
For commercial buildings BCA Volume 1 Glazing Calculator:


For residential dwellings BCA Volume 2 Glazing Calculator: