Exterior awnings can reduce photo voltaic warmth acquire by up to 65 % for south-facing home windows and 77 percent for west-facing home windows. Whether it’s a pair of drapes hung to frame a pleasant view or a cheery striped awning floating above a picture window, owners usually gown up their windows for beauty quite than perform. But with the right materials and proper placement, these decorations might truly help lower your monthly vitality payments.