Use a damp microfiber cloth to wipe down the vent covers. To remove excess dirt, scrub vent covers with a soft-bristled brush ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Ideally, window AC units should be fully cleaned biannually. "You should deep clean a window AC unit twice a year," says Michael Rubino, president of All American Restoration, council-certified mold ...