Lisa S Bloomingdale , IL May 30, 2015 Cracked control knobs on a/c Went online and searched for the most reasonably priced supplier, which happened to be AppliancePartsPros.com. In just 2 days following Memorial day, FedEx delivered. Snapped old ones off, and new ones on. Perfect ! 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes