For best results, plan to clean your home's air filters about once a month and replace them about every six months. Be sure to check the manufacturer's instructions to determine the best way to clean ...

Many office buildings, residential homes and apartments have an air conditioning system. This could be anything from a portable unit, a wall-mounted unit or an HVAC system. Air conditioners come with ...

It takes diligence to keep indoor air and water clean. Here's how often you should replace each type of filter. When to ...

You should clean your air ducts every three to five years, but the specifics depend on your home.

Dr. Elizabeth Yuko is a bioethicist and adjunct professor of ethics at Fordham University. She has written for The New York Times, The Washington Post, The Atlantic, Rolling Stone, CNN & Playboy.