Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The German practice of lüften, or house burping as its become known in the United States, has gained popularity over the last few months.

There’s a hot new home trend that's far from getting the cold shoulder. As a deep freeze envelops a good chunk of the country, “house burping,” in which people open the windows of their homes to let in fresh air — even in the dead of winter — has ...

The German practice of lüften, airing out your house, is becoming popular in the U.S. NPR's Scott Simon speaks to Annette Baran from the Goethe Institute, and her husband Robert, about embracing lüften. Oh, it's been cold this winter. So open a window.