Buying a high-quality and best car window tint for heat reduction involves a considerable expenditure, and hence the first thing that you ask yourself before making a purchase is its cost. And based on your suitability and requirements, you select the best window tint for heat reduction. The longevity of the product depends on various factors, including the type of window tint you choose for your car. All the standard window tint films for cars generally last up to 5 years on average. But if you have a higher quality films made with blended metallic, dyed window, ceramic, and high grade polyester, it is expected to last for 8 to 10 years on an average. It can survive any extreme driving conditions during any worst weather conditions.