The lifespan of window tinting depends on several factors, but a high-quality, professionally applied tint can last anywhere from 5 to 25 years, with premium tints lasting at least 15 to 20 years. Key factors influencing longevity include the quality of the film, the professionalism of the installation, and the type of window. Some companies offer lifetime warranties, while others may only provide a one-year warranty or none at all, so it's wise to verify this with your service provider. To prolong the film's life, clean it gently with a microfiber towel and mild cleaning solutions. Avoid harsh, abrasive, alcohol-based, or ammonia-based cleaners, as well as sharp tools or scrubbers, which can damage the surface.

Most window installation and repair companies can handle putting tint film over your existing windows, but it’s best to hire a company that specializes in window tinting. This decision will result in the best application for the cleanest look, and it usually means you’ll get a better professional opinion about the type of tint and tint level that makes the most sense for your home and personal preferences.

The average cost for home window tinting is around $600, with most homeowners paying between $150 and $1,600. Costs can also be calculated per square foot, typically ranging from $2 to $100, or per window at around $75 each. For example, tinting one or two windows might cost between $200 and $350, while a larger project of 13 to 15 windows could range from $4,124 to $4,747.

Several factors influence the total project cost, with the number and size of the windows being the most significant. Other key factors include the type, shade, and quality of the tint film, as well as labor costs. Additional treatments, such as low-emissivity (low-E) coatings, can also increase material costs.

Window tinting offers several benefits, such as making your home more energy-efficient by blocking harsh sunlight, protecting furniture from fading, and increasing privacy. For this reason, many homeowners choose to tint only the windows in specific areas where direct sunlight and privacy are primary concerns.

Do not use Windex or any glass cleaner when applying window film. These products contain ammonia, which will damage the film. Instead, use the application solution provided with the installation kit. If there is no solution, make your own using 1 teaspoon of baby shampoo and a gallon of bottled water.