Dry carpet cleaning is used, as a rule, if the pollution is small and recent. Principle of action: the surface of the flooring is treated with a specialized spray so that the pollution becomes softer, then the carpet is sprinkled with micro-sponges soaked in a cleaning compound (visually they resemble ordinary powder). Once on the surface of the carpet, they accumulate all the dirt, and then are removed with a vacuum cleaner. This method will be an excellent option for owners of expensive handmade carpets, which is not recommended for wet cleaning.

Carpet cleaning with steam is ideal for allergy sufferers, because this method involves the absence of chemical detergents. 
The advantage of this method is that you can remove not only old and deep-stained stains, but also remove all unpleasant odors.

Spray extraction and foam dry cleaning of carpets. Both of these methods eliminate intense pollution and are carried out with the use of specialized detergents and equipment. However, upon completion of all work, it takes some time to dry the carpet.