They let in plenty of natural light, so you don't need to use artificial lighting or overhead lighting during the day. This means that you can save money on energy costs and make the most of the sunlight in your home. In addition to providing free heat, picture windows also prevent dust and allergens from entering your home. If you're prone to allergies, this is an excellent feature to look for in a window.
The first thing to keep in mind when considering picture windows is their insulation. If you have a home with a lot of high-quality insulation, you won't have to worry about condensation in the winter months. However, if your picture window is on a cold side, you'll have to invest in extra insulation to prevent the air from getting inside. Thankfully, there are a number of ways to reduce the risk of condensation.