Is It Necessary to Sanitize Air Ducts After Cleaning? I remember the first time we cleaned the air ducts in our home. It felt great knowing all the dust and dirt were gone, but something still didn’t seem right. There was a weird smell, and the air didn’t feel as fresh as I thought. That’s when a friend told me about sanitizing the air ducts. At first, I wasn’t sure if it was needed after cleaning. But I noticed a big...