Just ask anyone who’s battled the sweltering heat of summer in a ... blinds tend to be very good at keeping light out, with most doubling as blackout blinds. Like any blinds, their effectiveness ...

While curtains are effective in blocking out the sun and keeping heat locked in, especially blackout curtains, blinds and shades tend to be the most energy-efficient and cost-effective.

it'll heat you up, too. During the warmest part of the day, close your blinds to keep out the sun. It can also help insulate your windows, which stops the cold air from escaping. There are also ...