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What is 'house burping' and are Americans embracing it?

  • As a deep freeze enveloped much of the country, house burping — opening windows briefly to ventilate — grew popular in the United States, explained in an article and TODAY segment on Jan. 21.
  • Originating in Germany, the routine emphasizes Stoßlüften and Querlüften, with Germany's Consumer Advice Centre advising three to five minutes in winter and 10 to 20 minutes in milder seasons.
  • Experts note that showering can produce up to 2,500 grams of moisture per hour and cooking 600 to 1,000 grams, increasing indoor humidity while Americans spend roughly 90% of their time indoors, according to the Environmental Protection Agency.
  • Housing specialists warn a single daily burp may not prevent mold and recommend exhaust fans; a 2021 study raised energy-efficiency concerns amid rising US home energy costs, with landlords and tenants disputing mold causes.
  • On social media, TikTok influencers like @alyssajean23 popularize brief ventilation for 5–15 minutes, while Germany's Chancellor called Lüften a cheap, effective infection control, advising airing in the morning, after showers, and cooking.
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The Washington Post broke the news in on Tuesday, January 20, 2026.
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