The most common method being used by professionals is hot water extraction also known in short as HWE or incorrectly called steam cleaning.

That said, there is no guarantee that professional carpet cleaners will be able to remove each and every stain from your carpet, particularly if we haven't seen the carpet. Or it may take more than one professional carpet clean to completely remove long-term stains from your carpet.

There are several methods used for cleaning carpets, with the most popular being hot water extraction cleaning. This is the method we usually recommend here at Cleaner Cleaner, as it gives you (well, your carpets) that real deep clean, getting rid of not just dirt but allergens, dust mites and more.