Windows play a large role in retaining heat in your home. A single pane of glass can lose almost 10 times as much heat as the same area of insulated wall. Fortunately, there are simple steps you can take to reduce heat loss through your windows.
The size and orientation of your windows will affect the amount of sunlight entering your home. West, east and north-facing windows tend to be exposed to sunlight, while south-facing windows receive almost no direct sunlight. If you are planning a renovation consider orienting your living areas and windows to the north, and rooms where you spend less time to the south. This will take advantage of the winter sun, keeping these rooms warm, light and bright.
The strength of window frames, together with the glazing component, can greatly affect the energy efficiency of windows. The most energy efficient window frames are made from materials that won't transfer heat and cold, such as timber, uPVC or combination frames.
Appropriate window protection creates an insulating layer of still air on the inside of the glass. This can be achieved by the addition of thick curtains and a pelmet. A poorly fitted curtain allows heat loss to occur, while a well fitted curtain combined with a pelmet significantly reduces heat loss, so remember to:
Up to 25% of winter heat loss from existing houses is caused by air leakage (also known as draughts). Seal gaps around doors and windows to draught-proof your home and save energy and money.
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