“If you don’t maintain them well, and everything you breathe is filtering through this gigantic sheet of dust, that’s not very helpful,” Dr. Richard Lebowitz, a rhinologist in New York City, told The New York Times in 2017.
So don’t wait to clean your fan or AC until next summer, when the sweltering heat is overbearing. Instead, clean it now, before you store your AC or fan for the cooler months. If you live in warm climates year-round, you should clean your AC or fan at least once a month.
