Yes. Window film applied to windows of your home or office will reflect up to 79% of the suns solar energy at the glass. This means that it will not heat up your room. Different films offer varying amounts of heat rejection. For example:
SolarGard – TrueVue 5 – 82% heat, 95% glare, 99% UV rejection
SolarGard - TrueVue 15 - 79% heat, 85% glare, 99% UV rejection
SolarGard – NightSky10 – 62% heat, 90% glare, 98% UV rejection
SolarGard – Slate10 – 79% heat, 90% glare , 99% UV rejection
These films have different properties due to the way that they are made and have different applications.