10 Best Night Privacy Window Film 2025 in the United States

The Coavas Window Privacy Film is a solid choice for those looking to enhance privacy without sacrificing natural light. It offers high privacy levels, blocking out 96% of prying eyes, making it perfect for bathrooms, bedrooms, and offices. This film also reduces glare and blocks 96% of harmful UV rays, which helps protect your skin and prevents furniture from fading.

Its heat rejection feature adds to home comfort by reducing the amount of heat that enters through the windows, which can help with energy savings. The static cling installation is straightforward and does not require any adhesives, making it easy to apply and remove without leaving residue. Additionally, this film can be reused, adding to its convenience. The minimalist frosted design is stylish and can replace bulky curtains, enhancing the aesthetic of your home.

However, it is not suitable for frosted, cut, or textured glass surfaces, which limits its versatility. Despite these minor limitations, its combination of privacy, light transmission, and UV protection makes it a great option for many households.

The KESPEN Window Privacy Film is designed mainly for daytime privacy, featuring a one-way mirror effect that blocks views from outside while still allowing some natural light in (12% visible light transmission). It offers strong UV protection by blocking 90% of harmful rays, helping to protect your skin and prevent furniture from fading. The film also reduces glare and rejects about 82% of infrared heat, helping keep your home cooler in summer and warmer in winter, which can support energy savings. Installation is straightforward since the film uses static cling; you just spray water on the window and film, so no glue or residue is left behind when removed.

The privacy effect works only during the day—at night, when interior lights are on, the film loses its reflective privacy, meaning people outside can see inside unless you close curtains. It is suitable only for clean, flat glass surfaces and not recommended for double-pane or curved windows. This product is ideal if you want to reduce heat and glare while maintaining daytime privacy without permanent installation, but for night privacy, additional window coverings are needed.

The Dwersty Frosted Glass Window Privacy Film is designed to provide good privacy by creating a frosted glass effect that blocks views from outside while still letting in natural, soft light. This makes it a solid choice for bathrooms, offices, or any room where you want privacy without losing daylight. It blocks up to 95% of harmful UV rays, which helps protect your skin and furniture from sun damage.

The film also offers heat reduction benefits, helping to keep your room cooler in summer and warmer in winter, which can aid in lowering energy costs. Installation is user-friendly thanks to its static cling design—no glue needed—and it comes with extra tools to make fitting easier. Plus, it’s reusable and can be removed and repositioned multiple times, which is convenient if you want flexibility. However, it’s not suitable for frosted, cut, or textured glass, so it works best on smooth, clear glass surfaces.

While it reduces glare and heat, it may not be as effective as specialized solar films for intense sun conditions. The film can be a bit tricky to completely smooth out during installation, so patience is needed to avoid bubbles. This film is a practical and affordable option if you want a balance of privacy, light filtering, UV protection, and easy installation without permanent changes to your windows.