Older homes are usually not very energy efficient. Factors such as insulation, windows, doors, heat pumps and water heaters all can determine how efficient your home really is. Windows are important to consider when you try to save energy. Windows add up to a large amount of square footage throughout your home, and a lot of energy can be lost through them. It may be time to winterise old, draughty windows, particularly if they are single pane.
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Things you need
- Window cleaner
- Clean rags
- Window insulation kit
- Measuring tape
- Utility knife or scissors
Scrub the surface of your windows inside the house with window cleaner and clean rags to remove any dirt or grime. This will ensure that the double-stick tape from your window insulation kit will stick to the glass properly.
Measure each window's width and height. Add 5 cm (2 inches) to the width and 5 cm (2 inches) to the height. You will cut out the window film material from your insulation kit 2.5 cm (1 inch) bigger, all the way around the window, to allow for shrinkage.
Cut the double-stick tape from your window film kit and prepare to install it. Kits usually include window film and double-sided tape. Apply the double-stick tape to the outside edges of the window glass itself, working your way around the entire window. The window film must be installed on the inside of the window.
Cut your window film to the size that is 5 cm (2 inches) bigger than the width and the height of the window. Apply the window film, working out air pockets as you move from the centre of each window to the outside edges. Push the edges of the window film down over the double-sided tape.
Apply heat to the window film using your blow-dryer. Stand about 15 to 30 cm (6 to 12 inches) away from the window and heat the film until it shrinks up a bit. This gives the film a tight fit to the window.
Repeat the entire process for each window in your home.
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