There exist other shades and even curtains and draperies that can instrumental as natural forms of regulating room temperature. However, blinds are the most effective forms of keeping rooms warmer. … They can also help in cooling down rooms during summer which means that they find their use all year round.

What blinds are best to keep cold out?

The best types of blinds that help keep cold out are the ones made from fabric. The ones with slats such as venetian blinds are better for the summer as they allow heat to escape in between the slats. Honeycomb blinds are a type of fabric roller blind that are great insulators as well as sun blockers.

Should blinds be up or down in winter?

During the winter months, you should open your blinds to let the sunlight in to warm the room. However, if the forecast is cloudy, turn your blinds down to add insulation and help keep cool air at bay.