Facts About Carpet Cleaning
Circular scrubbing systems, especially ones using foam, actually do more long term damage.
Wet foam is scrubbed into the carpet. This process removes no dirt, but in fact, pushes both soluble (stains) and non-soluble (sand & grit) dirt deep into the carpet. Proper extraction is now more difficult, leaving a sticky dirt magnet.
Spin Bonnet cleaning is so ridiculous, that warranties could be jeopardized by using this method.
Despite their motor size (truck mount system), extraction ability decreases dramatically due to the massive length of hose. When used in apartment or condominium buildings, the hose is either running down the main corridor or hanging from balconies annoying other tenants.
You can’t expect to properly clean a carpet by spraying a hot mist of water and sucking only half of it out.