Chem-Dry by Dan Derby offers a superior clean that is Drier, Cleaner and Healthier. Our Hot Carbonating Extraction equipment and The Natural cleaning solutions lifts dirt to the surface where it is whisked away with the vortex power of the PowerHead, a high-performance unit that applies the cleaning solution and then sucks away the dirt and water. Keep your carpets looking their best with Chem-Dry by Dan Derby.