What if you thought you’d lost your $6,000 engagement ring forever . . . only to find it hiding in your ductwork years later? That’s exactly what happened to one lucky INTEK customer. $6,000 Engagement Ring Rescued by INTEK Duct Cleaning Several weeks ago, a homeowner called INTEK for some routine duct cleaning in Sioux Falls. While performing our … Continue reading Engagement Ring Found by Duct Cleaner in Sioux Falls