House burping, or the German practice of lüften, asks that you open the windows of your home to invite fresh air indoors.

A quick house burping freshens my home’s air and lowers the risk of mold, and it only takes five minutes.

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"House burping" is the latest thing cluttering people's feeds: short clips of people flinging open every window and door, announcing they're "burping" their home to get rid of stale, germ-filled air.

Recently, the German term “lüften” has been circulating on social media and trending on Google. The term refers to the ...