Different Types of Window Film Protection: VLT, UV, IRR and TSER

More and more people are considering solar film installation in Birmingham, AL for their home’s windows in an effort to block out sunlight and heat, thereby increasing their home’s energy efficiency and minimizing energy costs. However, there are many different types of window films and tints, and darker doesn’t necessarily mean better or more energy efficient. Read on to learn everything you need to know about how to interpret window film terminology and make the best choice for your home.

Visible light transmission (VLT)

The visible light transmission (VLT) refers to the amount of light in the visible portion of the spectrum that can pass through the glazing material. This means that the higher the VLT, the more light gets through, and therefore, the more solar heat. The coating or tint to the installed window film works by reducing the VLT level of the window, allowing less light and heat through, and appearing darker. However, just because a tint reduces the VLT, meaning it appears darker, this doesn’t mean that it’s also reducing the solar heat and UV rays, which are the factors that raise the temperature of the house and contribute to energy inefficiency.

Ultraviolet (UV) light

A quality solar film installation in Birmingham, AL will work to reduce the amount of UV light that gets in through the window. UV radiation, a combination of UVA and UVB rays, is typically let in through traditional windows and contributes to the rise in temperature in the home, as well as excessive brightness and fading of fabrics and furniture in the home. Plus, you can get a sunburn through a window that is not treated to repel UV rays. A film should display a rating of its UV rejection ability, and the best films will have a 99 percent UV rejection rate.

Infrared rejection (IRR)

Infrared light is responsible for the heat you feel coming in from the window, which also contributes to the temperature conditions of your space. The higher the percentage of the infrared rejection rate on your solar film installation in Birmingham, AL, the better temperature regulation you’ll have in your home.

Total solar energy rejected (TSER)

The final measurement you want to look at for your solar film installation in Birmingham, AL is the total solar energy rejection rate, which is the percentage of total solar energy rejected by the filmed window. This is a good overall measure of the tint’s performance and ability to absorb or reflect the sun’s energy. The higher this percentage value, the less heat and light are transmitted into your home.

At Solar Control Specialists, we can tint your windows to prevent eyestrain from glare and brightness, as well as prevent excess heat from infrared rays. Keep UV rays from fading the color of your possessions and save on your cooling costs in the heat of summer. No matter what you need, we have a window film application that is right for your home. Call us today for more information about what film is right for you!

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