Window film offers a solution for those wanting to inexpensively improve the value and energy efficiency of a building, and reduce running costs. As window film can be retrofit, windows do not need to be removed and replaced to ensure that they achieve or exceed government mandated energy requirements. In most cases, retrofit film outperforms tinted or reflective glass in terms of energy efficiency, at a fraction of the cost.
According to Rob Hamilton, President, Window Film Association of Australia and New Zealand , the return on investment of window film is impressive. Case studies show that air conditioning usage has been reduced by as much as 30% after the application of window film. This creates monthly energy bill savings and also puts less pressure on the conditioner unit, which means less maintenance and a longer lifespan. These benefits also become environmentally relevant when considering the amount of power outages caused by air conditioner usage last summer.
The impact of film on the comfort and usability of a room is dramatic. Windows without film can account for up to 87% heat gain inside a room, making it uncomfortable. Window film can reduce up to 99% UV radiation, 79% total solar energy, 95% infrared heat and 90% glare[1], all the while letting in natural light. So views can be enjoyed without curtains, blinds or awnings, which save money.
Earlier this year, the Torien family from Point Cook, Melbourne, had film installed on the windows in their two-storey home. The Torien home is now cooler on hot days, especially upstairs which used to be the problem area. The film has reduced their energy bills, as they do not use the air conditioner regularly in summer.
When weighing the financial benefits of film, sun damage is another consideration. Art, photographs, fabrics, woodwork and carpets exposed to natural sunlight age prematurely and fade. Window film is one of an effective and attractive ways of prolonging the life of an interior.