It depends on the type of shades you want, the size of your windows, and the installation company. However, generally speaking, shades can be quite affordable. Some basic roller shades can start at around $30 per window, while more high-end cellular or pleated shades can cost upwards of $100 per window. Installation is usually an additional charge, which can vary depending on the company.

It depends on the type of shades you choose, the size of the window, and the level of customization you want. Generally speaking, though, expect to pay between $100 and $300 per window.