By Katie Holdefehr Over the years (20 of them, in fact!) Real Simple editors and our trusted experts have vetted hundreds of household cleaning tips—including tricks to deodorize your home. From smelly garbage disposals to stinky dishwashers, we've found dozens of ways to tackle unpleasant odors and freshen the air in our homes. If you're dealing with a smell situation in your home right now, first start by trying to identify and deal with the source of the odor, following this guide.