You can easily and cheaply use tin foil or cardboard to black out your windows. Save a pretty penny by cutting either material to the size of your windows and taping it to the window. This is one of the easiest and most budget-friendly blackout solutions, but it definitely isn’t the most aesthetically friendly.  

Visibility through tinted house windows or privacy film depends on the lighting. During the day, the tint or film typically prevents people from seeing inside. However, at night, if you have lights on inside your home, the interior will be brighter than the outside, which allows people to see in. You can choose from various shades of privacy film, from lighter to darker, to optimize the level of privacy you want.

While it is possible to install home window tint yourself, it is a challenging task that is often best left to professionals. The process can be tedious and time-consuming, requiring steady hands and a great deal of patience, especially for a first-time installer.

Common mistakes in DIY applications include visible bubbles, imperfections, and film that either hangs over the edges or doesn't fully cover the glass. These errors not only look unprofessional and detract from your home's curb appeal but can also reduce the tint's effectiveness in blocking sunlight and heat. If you have struggled with applying protective films to smaller items like phones or tablets, you may find this task particularly difficult.

Attempting the installation yourself and making a mistake can lead to wasted material and the additional cost of hiring a professional to fix the issues or redo the job. Although hiring a professional involves labor costs, it typically guarantees a high-quality, seamless appearance and saves you from having to do the work over again.

The most popular tint percentage for home windows is 35%. Generally, most homeowners choose a visible light transmission (VLT) between 50% and 35%, where lower numbers mean less sunlight enters the home. A 35% tint blocks over half the incoming light while still allowing plenty of natural light, which can improve energy efficiency and comfort. If privacy is a primary concern, you can opt for a tint of 50% or lower to make it more difficult for people to see inside. However, keep in mind that very dark, thick tints may offer fewer energy-efficiency benefits.

Unlike cars, there are no laws regulating window tint percentages on homes, so you can choose what you think is best. It is often a good idea to hire a professional, as they can show you samples of how different tint levels will look in your specific property, helping you make the right choice.