Have you ever walked into someone’s home (or maybe even your own!) and noticed that it just smells kind of weird? You can’t put a name to it, but it’s just…off. Every home has a particular smell, odor, or aroma and chances are you’ve become so used to your own that you don’t even smell it anymore. If a house smells dirty, musty or just kind of stuffy, there are a few culprits that can be causing the stink.