House burping offers a simple way to freshen indoor air

A column explains 'house burping' (German luften) as briefly opening doors and windows several times a day to refresh indoor air; experts note it can reduce some indoor pollutants and regulate humidity, and Ontario now requires carbon monoxide alarms in certain homes as of Jan. 1, 2026.

The column introduces the idea of "house burping," a practice known in Germany as luften that involves briefly opening doors and windows several times a day. The piece links the practice to a wider conversation about indoor air quality and notes attention from public figures and social media. Experts cited say short airing sessions can help release volatile organic compounds and manage humidity. The article also reports that Ontario updated its Fire Code to require carbon monoxide alarms in certain homes starting Jan. 1, 2026. Key points: - "House burping" or luften means opening doors and windows for about five to 10 minutes a few times daily to exchange indoor and outdoor air. - The practice was mentioned by former German chancellor Angela Merkel during the COVID period and has gained traction on social media. - Specialists say airing can reduce some volatile organic compounds and help regulate humidity and carbon monoxide levels, but it will not remove mould already inside walls or settled dust and pet dander in furniture. - The U.S. Environmental Protection Agency reports people spend about 90 percent of their time indoors, which has prompted interest in simple ventilation habits. - As of Jan. 1, 2026, the Ontario Fire Code requires carbon monoxide devices on every floor of homes with fuel-burning appliances or attached garages, and placement near sleeping areas is specified; homeowners or landlords are responsible as indicated. Summary: The article presents house burping as a long-practiced, low-effort way to refresh indoor air and notes its recent visibility on social media and in public remarks. It is reported to help reduce some indoor pollutants and regulate humidity, while not eliminating existing mould or settled allergens. The Ontario Fire Code change on carbon monoxide alarms is now in effect for applicable homes. Undetermined at this time.