Best Carpet Cleaners for Deep Cleaning Carpets and Upholstery

A carpet cleaner deep washes what a vacuum cannot reach, spraying a detergent solution into the fibers, scrubbing it in, and extracting the dirty water back out to lift ground in grime, pet messes, and stains. The picks below split into two families, full size uprights that wash whole rooms and portable spot cleaners that tackle stains, stairs, and upholstery. The right choice depends on how much carpet you clean at once, whether pets are in the picture, and how much space you have to store the machine.

Full size deep cleaners vs portable spot cleaners

The first decision is scale. A full size upright such as the BISSELL ProHeat, TurboClean Pet XL, or Big Green is built to clean open floor, so you push it across a room the way you would a vacuum and it covers large areas per fill. A portable spot cleaner like the Little Green Pet Pro or Hoover CleanSlate XL is a small tank with a hose and hand tool, made for a single stain, a set of stairs, a sofa cushion, or a car seat rather than a whole floor. The Shark CarpetXpert sits between the two, pairing an upright with a built in stain tool. If you have wall to wall carpet, start with an upright; if your problem is occasional spills and pet accidents, a portable is the machine you will actually reach for.

Tank size, suction, and heated cleaning

Three specs shape how a deep clean actually goes. Tank size sets how often you stop to refill clean water and dump the dirty tank, so a large upright tank means fewer trips on a big room while a compact portable stays light and easy to carry. Suction, sometimes called extraction, decides how much water the machine pulls back out, which controls how damp the carpet is left and how quickly it dries, and strong extraction is what separates a machine that leaves carpet soggy from one that leaves it barely damp. A heated cleaning assist, found on the ProHeat, keeps the water warm to help loosen greasy soil, which is a real convenience but not a replacement for scrubbing, dwell time, or a good formula. On heavily soiled or large jobs, big tanks and strong extraction matter most.

Pet models and stubborn stains

Homes with animals have their own needs, and several picks here are built for them. The ProHeat Pet Pro Plus, TurboClean Pet XL, PowerDash Pet, and Little Green Pet Pro add pet focused hand tools and are designed around fur, accidents, and odor. For pet messes the routine matters as much as the machine, since you want to treat the spot quickly, let a pet formula dwell to break down the source of the smell, then extract thoroughly. A surface clean handles most accidents, but liquid that has soaked through into the pad and subfloor is beyond what any home machine fully reaches, and repeated deep accidents in one spot may need a professional. Set that expectation before you buy so you are choosing a machine for surface deep cleaning, not a miracle.

Maintenance and getting the most from your machine

A carpet cleaner lasts far longer when you treat the after job routine as part of the job. Empty and rinse both the clean and dirty tanks every single time, then run clear water through the system to flush detergent out of the lines and nozzle so nothing dries and clogs. Pull the brush roll and any tools off to rinse them, wipe the body down, and let every part air dry fully before storing, because leftover moisture and solution are what breed mold and the musty smell people complain about. Beyond upkeep, vacuum the carpet first so the cleaner deals with embedded grime rather than loose dirt, do not oversaturate the carpet, and give it time to dry with airflow before walking on it. These habits are the difference between a machine that cleans well for years and one that clogs and smells within a season.