What blinds are energy efficient?
• Heavy drapes that have a thick outer material, have a lining, touch the floor, have no gaps around the edges and have pelmets, are the most energy efficient.
• Honeycomb blinds (also known as cellular blinds) are an energy efficient option. These blinds are effective because each ‘honeycomb’ in the blind traps still air ((like insulation). Because air is such a good insulator, this means less heat escapes from your home in winter and less heat enters in summer. These blinds can also come with aluminium foil backing, making them a good option for keeping your home cool in summer and a block-out for privacy. There is also an option of collapsing to the bottom of the windowsill on particular models. They are less expensive than drapes but more expensive than other types unless you DIY (e.g. https://www.honeycombblinds.com.au/default.aspx
). They can help reduce external noise.
• Other blinds that are less energy efficient include roman and roller blinds. They can be made more effective by minimising air gaps at the side & bottom and by installing pelmets at the top.
• Though venetian blinds and vertical venetians have become popular, they do very little to make your windows more energy efficient. They have too many air gaps and are made of thin materials.
Honeycomb or Cellular Blind Information
What are honeycomb blinds? Also called cellular blinds. They are dual layer blinds with horizontal shaped air pockets between the 2 layers. Each ‘honeycomb’ in the blind is able to trap still air. Because air is such a good insulator, this means less ...
Window films vs heavy curtains or blinds?
Window Film • Window film is typically more affordable than blinds and other window treatments including curtains and drapes. • It’s an extremely energy efficient solution. It rejects up to 78% of the sun’s heat, eliminating hot spots and heat ...
Window glazing - Types, Efficiencies, Differences
What is the difference between primary and secondary glazing? Double glazed windows use two sheets of glass with a gap between them that creates an insulating barrier. The gap can either be filled with a heavy inert gas such as Argon or it can be a ...
How do pelmets and heavy drapes help keep a room at a comfortable temperature during summer and winter?
In winter, without a pelmet, hot air in the room rises and at the top of the curtain, touches the cold glass of the window, causing the hot air to cool down. This cooled air (which is heavier than warmed air) then drops behind and underneath the ...
Questions to ask a supplier of window films or curtains/blinds
What brands do you install? Do you understand the problem we're trying to resolve? - It's imperative that the issue itself has been identified to find the best solution. There are window films that have been specially designed for certain issues, be ...