Does your home's carpeting look like it has seen better days? If so, you may be in need of professional carpet cleaning. Here are some questions you likely have about the process. What Carpet Cleaning Methods Are There? There is no single way to clean carpeting that works best in all situations. That's why professional carpet cleaners have four different methods at their disposal. Dry Cleaning This method uses a combination of chemicals and heat to break down the dirt that is in the carpet fibers and works best on stains that are very difficult to remove.