‘Solar window film’ might sound like something that would only benefit your business during the summer, but did you know what window film is actually just as helpful in winter?
A surprising amount of heat can be lost through windows, which can mean being faced with hefty heating bills. Energy saving window films can significantly reduce this, acting as an extra layer of insulation without the expense of replacing your windows.
How does energy saving window film work?
Energy saving window film blocks or reflects the heat and UV radiation from sunlight. Most window films are made of a thin, layered polyester and an extremely thin metallic coating, such as silver or nickel, which can regulate thermal radiation. The film can absorb or reflect some of the ultraviolet (UV) and infrared rays in sunlight, which minimises the amount of heat that can enter a room.
By reducing heat transfer and adding extra insulation to a window, window films can also effectively reduce heat loss and drafts.
Does window film save energy?
Window film can be very effective at saving energy, and consequently saving money on energy bills. In the winter, solar window films can provide insulation by reflecting heat from the sun back into the room, so you can use less heating. When it’s warmer, window film reduces solar heat gain as it reflects or absorbs harmful rays, which minimises the need for air conditioning. All round, the year-round temperature regulation offered by window films can have a significant impact on energy bills by reducing energy consumption.
Plus, as it blocks UV rays, energy saving window film can also help stop furnishings from fading in the sunlight, which can mean saving money on replacing them.
Does solar control window film work in winter?
Despite its primary function of reducing heat from entering a building in warmer months, some solar films can also provide window insulation in winter. They reduce heat loss through the windows by reflecting heat back into the room, which helps to keep it warm. In turn, this contributes to energy savings by reducing the need for heating – great for businesses that are trying to reduce their carbon footprint.
What are the benefits of energy saving window films?
Reduced heat loss – When it’s cold outside, you’ll want to do everything you can to keep the heat in! Around 18% of heat loss in office buildings* occurs through windows, so applying window film is a quick and simple way to minimise this.
Improve thermal insulation – As energy efficient window film works as a thermal barrier when applied to windows, it helps to keep heat in your commercial property, leading to a more comfortable and consistent temperature.
Improve EPC rating – As of April 2023, all commercial properties were legally required to have an Energy Performance Certificate (EPC) rating of E or above, with buildings rated on a scale of A to G. Window films can improve this rating by enhancing energy efficiency, as it can minimise heat loss in winter but also reduce solar heat gain during the summer, so your business will be less reliant on both heating and cooling systems.
Reduce glare – Winter sun may not bring much warmth, but it can bring irritating solar glare. Window film can provide protection against it – it will allow natural light in, but filter out the glare that can make it more difficult to see screens or have face-to-face conversations.
Save on energy bills – One of the main benefits of using energy saving window film is that it can help reduce your energy bills. During the winter, you will be able to use less heating, and in summer businesses can be less reliant on air conditioning. The energy savings associated with window films can be substantial – over time it often covers the installation cost of the window film, making it an extremely cost-effective and energy efficient solution.
Does energy window film work on double glazing?
Although double glazed windows already help to reduce heat transfer, installing energy saving window films can add an extra layer of insulation. It further contributes to improved temperature control and energy conservation, as well as reduced energy bills!
Global Glazing Enhancement Specialists
Whether you’re looking to save energy, improve your building security or even just make your windows look better, OVAGLAS specialises in all things glazing enhancements. Get in touch with our team and we’ll be happy to help.
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