David Deem 714-997-3486 Dave@DeemTeam.com By  Stephanie Booth Old house smell: Those three dreaded words evoke something rather frightening and repellent to most homeowners. You know what we're talking about, right? It's that musty odor that creeps up and greets you the instant you set foot inside an older home. What is this mysterious stench, anyway? And most importantly: Is there a way to get rid of it? What causes that old house smell “Three things that musty old houses have in common: little ventilation, high humidity, and darkness,” says  Bill Carroll Jr. , an adjunct professor of chemistry at Indiana University. That makes these places the perfect petri dish for mold to flourish, which happens to be the main purveyor of that "old house smell." That said, that musty smell isn't mold per se. "What you're smelling are called MVOCs: mold volatile organic compounds," explains Carroll. "These are chemicals associated with a certain stage in th...