Can closing blinds damage your windows?

Is there any truth to the rumor that you should keep you blinds up during extreme drops in temperature? Sean from Lutgen Companies walks through the process of how a seemingly tiny habit may be damaging your windows in the long run.
If you're in Minnesota and think you may be in need of new windows, roofing, siding, gutters, decks, doors or insulation. you can get a free quote by visiting Lutgensco.com