What to look for when selecting Windows?

  Although the look of a window is really important and often choosing a colour or frame material is a matter of personal taste. But no matter what type of windows you are planning to use, make sure you spent as much money as you can afford on the windows. Keep...

Winter heat loss through Windows

Winter heat loss Unprotected glazing and single glazing in particular means the surface of the glass is noticeable colder than the warm air in the room. This lowers the room temperature and produces draughts. The Relative Air Velocity ends up too high and occupants...

Summer heat gain through Windows

    It is important to protect windows with external shading devices, through appropriate window sizing and location, in order to minimise heat gain in summer. Comparison of heat gains through different treatments for windows in summer (According to...

Energy Efficient Window Design

  The total radiation received per window varies according to the time of the year and the orientation. In summer, all windows receive heat gains, in particular those facing east and west. Whereas in winter, only windows facing north, north-west and north-east have a...