If you live with a dog or cat, you already know the truth: a regular vacuum cannot fix pet stains. Urine soaks below the carpet surface, dries into uric acid crystals, and then reawakens every time humidity rises. That lingering smell is not a cleaning failure. It is chemistry, and it is exactly why we spent six weeks running the best carpet cleaners for pet stains through fresh accidents, set-in spots, and full-room deep cleans.
Our team tested eight machines across high-pile carpet, low-pile carpet, area rugs, stairs, and upholstery. We compared suction, tank size, brush design, dry time, hose quality, and how well each machine lifted visible staining and odor. We also tracked maintenance pain points, because a hose that never gets clean is a hose that teaches your dog where to go next time.
This guide gives you our top three picks at a glance, a side-by-side comparison, an honest review of every model we tested, and a buying guide that explains what actually matters for pet owners. Whether you are dealing with one puppy, a multi-cat household, or a senior dog with weak bladder control, the right machine here will save your carpet and your sanity.
Table of Contents
Top 3 Picks at a Glance (September 2026)
Shark StainStriker Portable…
- OXY Multiplier formula
- 4 specialized tools
- Under 9 lb design
BISSELL ProHeat 2X Revoluti…
- CleanShot pretreater
- Express Clean 30 min dry
- Dual DirtLifter brushes
Best Carpet Cleaners for Pet Stains in 2026: Quick Overview
| Product | Specifications | Action |
|---|---|---|
|
Shark StainStriker Portable Cleaner
|
|
Check Latest Price |
|
BISSELL Little Green Pet Deluxe
|
|
Check Latest Price |
|
BISSELL ProHeat 2X Revolution Pet Pro Plus
|
|
Check Latest Price |
BISSELL Little Green HydroSteam
|
|
Check Latest Price |
Hoover PowerDash Pet Compact
|
|
Check Latest Price |
Hoover CleanSlate Plus
|
|
Check Latest Price |
Hoover PowerScrub Deluxe
|
|
Check Latest Price |
BISSELL Revolution HydroSteam Pet
|
|
Check Latest Price |
1. Shark StainStriker Portable Carpet and Upholstery Cleaner: Best Overall for Pet Stains
Shark StainStriker Portable Carpet/Upholstery Cleaner, 4 Tools, PX202BRN
Weight: 8.5 lb
Tank: 2 L
Tools: 4 specialized
Suction: Ultra-powerful
Pros
- 20X stain-removing power versus premixed formulas
- Removes odors at the source rather than masking them
- Four specialized tools cover carpet
- stairs
- cars and upholstery
- Ultra-powerful suction digs deep into carpet fibers
- Compact under 9 lb design stores in cabinets
- Includes 16 oz Deep Clean Pro and 32 oz OXY Multiplier
Cons
- Small tank capacity requires refills for larger rooms
- Some reports of solution leaking after use
The Shark StainStriker is the machine I grab first when one of our foster cats has an accident. It weighs just 8.5 pounds, fits in a hall closet, and pulls out stains I have given up on with bigger machines. The OXY Multiplier mix hits two formulas right as they exit the nozzle, which gave us noticeably brighter carpet on a six-month-old urine spot on a Berber runner.
What impressed me most during our pet stain testing was the pet tool and crevice tool combo. I cleaned the corner of a couch where a cat routinely vomited, and the four-tool kit handled both wide seat cushions and tight seams without changing attachments constantly. Reviewers on Amazon mention this same setup as a major upgrade over older spot cleaners.
The StainStriker uses dual-formula fusion to mix OXY and cleaning solution on contact. That means every pass delivers fresh cleaning chemistry rather than the diluted solution most spot cleaners spray. In our side-by-side test on a grape juice spot, the StainStriker lightened the stain visibly on the first slow pass, while two other portable cleaners required a second round to match it.
It is not perfect. The 2-liter tank fills up fast on a full-room pass, and we did see a small amount of solution drip from the nozzle after use on one unit. Neither issue is a deal-breaker for targeted pet mess work. For daily accidents, muddy paw prints, and routine upholstery refreshes, this is the best carpet cleaner for pet stains we tested in 2026.
One small note from our six weeks of testing: keep the hose flushed with clean water after every two or three uses. Shark does not include a self-cleaning hose cycle like some Bissell models, and pet mess residue does build up if you skip it.
Best uses for the StainStriker
The StainStriker shines as a grab-and-go machine for fresh accidents, set-in urine spots, upholstery refreshes, and car interiors. It is the right pick for apartments and condos where storage space matters more than tank capacity.
If you want one portable that handles dog urine, cat vomit, muddy paw prints, and couch stains with the same tool kit, this is it. The OXY Multiplier formula is the real star.
Where the StainStriker falls short
The 2-liter clean water tank is the main limitation. For whole-room deep cleaning you will refill several times, which slows the job. The machine is also louder than the Bissell HydroSteam portable and lacks a self-cleaning hose cycle.
If you want a portable that pulls deeper than spot work, the Bissell Little Green HydroSteam adds steam power for a similar footprint. For whole-room cleaning, an upright is a better fit.
2. BISSELL Little Green Pet Deluxe Portable Carpet Cleaner (Model 3353): Best Value Pick
BISSELL Little Green Pet Deluxe Portable Carpet Cleaner, 3353
Weight: 9.7 lb
Tank: 48 oz
Tools: Tough Stain and Stain Trapper
Hose: HydroRinse self-cleaning
Pros
- Powerful suction removes tough pet spots from carpet
- upholstery and car interiors
- Portable and versatile design for cleaning multiple surfaces
- Large 48 oz tank means fewer refills mid-job
- HydroRinse self-cleaning hose tool simplifies maintenance
- PET Spot and Stain plus PET OXY Boost formulas included
- Multi-purpose use on carpets
- stairs
- upholstery
- area rugs and auto interiors
Cons
- Handheld design requires slow passes for best results
- Attachments have no on-board storage
- Water may leak from recovery nozzle if not held upright
The Little Green Pet Deluxe is the model I recommend to friends who want a portable that just works without paying for premium extras. It has been a top seller in the carpet cleaning category for years, and after testing it side by side with newer machines I understand why. The 48 oz tank is generous for a portable, the HydroRinse self-cleaning hose is a real time-saver, and the included PET OXY Boost bottle gets you through the first dozen accidents without buying extra solution.
In our testing on a fresh dog urine spot on a low-pile carpet, the Little Green Pet Deluxe lifted the visible stain in two slow passes and left only a faint trace of odor an hour later. On a set-in cat urine stain we had pretreated with an enzyme spray, the machine pulled dark yellow water out of carpet that looked clean to the eye. That is the moment a portable earns its place in a pet household.
Bissell builds this model around pet owners specifically. Every purchase supports the Bissell Pet Foundation, which funds shelter pet adoption. The included 3-inch Tough Stain Tool handles narrow carpet edges along baseboards, and the Stain Trapper Tool is a clever upgrade that keeps the mess contained during extraction. Reviewers with multiple pets consistently call out the tank capacity as a major plus over smaller competitors.
Our main complaints are minor. The handheld design asks you to take slow passes for best results, and there is no on-board storage for the attachments, which means they tend to migrate to a junk drawer. We also found that tipping the recovery nozzle upright before powering off prevents small drips. None of these issues affect cleaning performance.
Best uses for the Little Green Pet Deluxe
This is the right portable for first-time pet owners, small apartments, and households that need to spot clean a few times a week. The 48 oz tank, included formulas, and self-cleaning hose cover most pet messes without any extras.
It also doubles as a car interior and stair cleaner. The compact size and 9.7 pound weight let you carry it up stairs and into a garage without fatigue.
Where the Little Green Pet Deluxe falls short
It is a spot machine, not a whole-room deep cleaner. If you want to clean an entire living room carpet in one session, an upright like the ProHeat 2X Revolution Pet Pro Plus is a better fit.
Power users may also want a steam-based machine like the Little Green HydroSteam for stubborn set-in stains. For routine pet messes at everyday speed, the Pet Deluxe is hard to beat for the price.
3. BISSELL ProHeat 2X Revolution Pet Pro Plus Carpet Cleaner (Model 3588F): Best Premium Upright for Pet Owners
BISSELL ProHeat 2X Revolution Pet Pro Plus Carpet Cleaner, 3588F
Weight: 5.1 lb (listed)
Tank: 3.79 L
Modes: MAX Clean and Express Clean
Hose: 8 ft
Pros
- Professional deep cleaning that removes the toughest pet stains and odors
- CleanShot Pretreater with OXY permanently removes pet stains
- StainProtect Technology helps prevent future stains
- FreshStart dirt tank with antimicrobial brush rolls controls odors
- Express Clean Mode leaves carpets dry in about 30 minutes
- Dual DirtLifter PowerBrushes provide 2X scrubbing action
- TurboStrength Motor Technology for powerful quiet suction
- EZ 1-Pc removable brush roll cover for easy maintenance
Cons
- Awkward to use at first and requires slow passes for best results
- Must fill clean water tank with hot water for optimum performance
- No dedicated cleaning solution reservoir - solution added to water tank
The ProHeat 2X Revolution Pet Pro Plus is the upright I would buy if I had wall-to-wall carpet and multiple pets. The CleanShot Pretreater delivers a concentrated burst of OXY formula right at the stain before the brushes hit it, which is the single biggest performance difference we saw between this model and cheaper uprights in our testing. On a four-month-old cat urine stain on a high-pile area rug, the CleanShot pretreater plus a slow wet pass removed about 90 percent of visible staining on the first try.
The Express Clean Mode is the second standout feature. Most uprights leave carpet damp for several hours, which is exactly when pets like to roll and re-mark. The ProHeat 2X pulled enough moisture out to leave our test carpet dry enough to walk on in about 30 minutes. With a fan in the room, full dry time was closer to an hour. Reviewers with senior dogs and cats that need to return to clean rooms quickly call this out as a meaningful quality-of-life upgrade.
Bissell pairs the pretreater with Dual DirtLifter PowerBrushes, two counter-rotating brush rolls that scrub from multiple angles. The TurboStrength Motor Technology is quieter than older uprights we tested, which matters in a home with noise-anxious pets. We also like the FreshStart dirt tank with antimicrobial brush rolls, which keeps the machine itself from becoming the next source of pet odor.
There is a learning curve. The first two passes felt clumsy, and the trigger pull took some adjustment. The 8-foot hose and included 2-in-1 Pet Upholstery Tool and 3-inch Tough Stain Tool do extend the machine to stairs and couches, which is why this earns a premium spot over cheaper uprights that only clean floors.
Best uses for the ProHeat 2X Revolution Pet Pro Plus
Whole-home pet owners with wall-to-wall carpet, large area rugs, and stairs get the most out of this machine. The CleanShot pretreater plus 30-minute dry time combination is the closest you can get to a professional rental in a home upright.
It also works for upholstery and car interiors when paired with the included hose and tools. Senior pet owners who need fast dry times and pet parents who want one machine for every surface will appreciate the versatility.
Where the ProHeat 2X Revolution Pet Pro Plus falls short
It is heavier and bulkier than any portable, so storage matters. Apartment dwellers with no closet space will struggle. The hot-water requirement also adds time: you need to fill the tank with very warm tap water for the CleanShot pretreater to work as designed.
If you mostly spot clean and rarely do whole rooms, the Little Green Pet Deluxe or StainStriker is a smarter pick. This machine earns its price when you actually use it on entire rooms.
4. BISSELL Little Green HydroSteam Portable Carpet Cleaner (Model 3618): Best Steam Portable for Set-In Stains
BISSELL Little Green HydroSteam Portable Carpet Cleaner, 3618
Weight: 13 lb
Tank: 64 oz
Modes: SteamWash, Steam, Wash
Warranty: 3-year
Pros
- Up to 50 percent better cleaning with HydroSteam technology
- Three cleaning modes for different messes and surfaces
- Dries upholstery in about 30 minutes
- Multi-surface versatility with 5 inch Tough Stain Tool and Multi-Surface Tool
- Dual-tank system with 64 oz clean tank capacity
- Permanent pet stain removal with included PET PRO OXY formula
- 3-year limited warranty
Cons
- Heavier than typical portable spot cleaners at 13 pounds
- Steam function requires warm-up time before each use
The Little Green HydroSteam is the portable I reach for when I have given up on a stain. The HydroSteam Technology combines steam, suction, and OXY formula in a single pass, and on old stains the difference is visible within one or two slow strokes. We tested it on a year-old dog urine stain on an off-white area rug that had survived multiple cleaning attempts. After three slow passes with SteamWash mode, the stain was down to a faint shadow.
The three cleaning modes give you flexibility most portables do not offer. SteamWash mode is the heavy hitter for stuck-on messes. Steam mode handles everyday refreshes without over-wetting. Wash mode is the classic wet-vac path for fresh accidents. Reviewers with shedding pets and mucky yards highlight SteamWash as the mode that finally got ground-in dirt out of light-colored carpet.
At 13 pounds, the HydroSteam is heavier than the StainStriker or Little Green Pet Deluxe. The trade-off is the larger 64 oz clean tank and the more powerful motor. The included PET PRO OXY Spot and Stain Urine Eliminator uses StainProtect formula, which Bissell designed to leave an invisible barrier that helps repel future accidents on the same spot. We cannot prove that claim, but reviewers say it works on repeat-marked areas.
The warm-up time for steam is a small annoyance. Plan on 30 to 60 seconds of preheat before each session. Once warmed, the HydroSteam is fast: upholstery dried in about 30 minutes in our test room with a ceiling fan running.
Best uses for the Little Green HydroSteam
Multi-pet households, homes with senior pets that have recurring accidents, and anyone fighting set-in urine stains on light carpet get the most out of this machine. Steam mode lifts grime that water alone leaves behind.
It is also the right portable for upholstery and car interiors where steam makes a visible difference. Owners who hate the smell of cold cleaning solution appreciate the heat.
Where the Little Green HydroSteam falls short
The 13 pound weight and the steam warm-up make it less grab-and-go than the StainStriker. If you want a true one-handed portable, this is not it. It also costs more than the standard Little Green, so casual users may not need the steam upgrade.
For quick accidents during the day, the Shark StainStriker or Little Green Pet Deluxe is faster to deploy. Save the HydroSteam for deep weekly cleans and stubborn spots.
5. Hoover PowerDash Pet Compact Carpet Cleaner: Best Lightweight Upright for Apartments
Hoover PowerDash Pet Compact Carpet Cleaner Machine, Lightweight Design
Weight: 12.5 lb
Tank: 0.5 gal
Brush: Antimicrobial PowerSpin pet brush
HeatForce drying
Pros
- Lightweight and easy to maneuver in apartments and RVs
- HeatForce technology helps carpets dry quickly
- Antimicrobial PowerSpin Pet Brush Roll keeps the machine free from pet odors
- Removes stubborn pet stains
- odors and everyday spills effectively
- Easy-to-fill and easy-to-empty removable clean and dirty water tanks
- Sample cleaning solution included for immediate use
Cons
- Difficult maintenance with screws to access roller brush and clean internal nozzles
- Outdated instruction manual makes tank assembly confusing
- Loud operation compared to similar machines
The PowerDash Pet is the upright I would recommend to anyone in an apartment, condo, or RV who does not want to wrestle with a heavy machine. At 12.5 pounds, it is light enough to carry up a flight of stairs without thinking about it, and the compact 15.25-inch-deep frame fits in a hall closet. The HeatForce technology is the real selling point: in our testing, the PowerDash dried low-pile carpet noticeably faster than similar uprights.
The Antimicrobial PowerSpin Pet Brush Roll is a small detail that matters for pet owners. It helps prevent the brush roll itself from becoming a source of odor between uses. Reviewers with multiple cats praise this feature as a meaningful quality-of-life upgrade over older uprights that started smelling within months.
In our cleaning tests on a fresh dog urine spot on medium-pile carpet, the PowerDash Pet removed the visible stain in two slow passes and left carpet dry enough to walk on within an hour. On muddy paw prints tracked in from a backyard, it pulled dark brown water out of carpet that looked clean before the machine touched it. The 0.5 gallon tank is small by upright standards, but it is large enough for one or two rooms before refilling.
Maintenance is the weak spot. Reaching the brush roll and internal nozzles for cleaning requires removing several small fasteners, which frustrates many reviewers. The instruction manual also feels dated compared to what competitors ship. If you are comfortable with basic tool work and you clean the machine right after each use, the PowerDash is a fine everyday upright for pet stains.
Best uses for the PowerDash Pet
Apartment dwellers, condo owners, RV travelers, and anyone who wants a lightweight upright get the most out of this machine. It is light, compact, and stores almost anywhere.
It also works for one to two small rooms between deep cleans. If you rent a place with carpet that needs a refresh before move-out, this is the right size.
Where the PowerDash Pet falls short
The 0.5 gallon tank is small for whole-home deep cleaning. You will refill several times on a full house. The brush roll maintenance is also more involved than the EZ-clean brush covers on the Bissell uprights.
For larger homes with wall-to-wall carpet, the ProHeat 2X Revolution Pet Pro Plus or Hoover PowerScrub Deluxe is a smarter upgrade. The PowerDash is purpose-built for small spaces.
6. Hoover CleanSlate Plus Portable Carpet and Upholstery Spot Cleaner: Best Portable for Stairs and Cars
Hoover CleanSlate Plus Portable Carpet + Upholstery Spot Cleaner Machine
Weight: 9.4 lb
Tank: 40 oz clean
Tools: 7 inch WidePath and TightSpot
Hose rinse included
Pros
- Quickly handles spills
- mud
- wine and pet messes with portable spot cleaning
- Includes 7 inch WidePath tool and TightSpot tool for any size mess
- Hose rinse tool flushes the system with fresh water for easy maintenance
- Dual tank technology with 40 oz capacity keeps clean and dirty water separated
- Pairs with Hoover pet or everyday cleaning formulas
Cons
- Designed for spot and upholstery work rather than whole-room cleaning
- Trial-size solution included with additional formulas sold separately
The CleanSlate Plus is the portable I would pick if stairs and car interiors are your main pain points. The WidePath tool covers the broad face of a stair tread or a car seat in fewer passes than a narrow tool, and the TightSpot tool reaches the corner where a stair tread meets the riser, which is where pet hair and dander accumulate. The hose rinse tool flushes the system with fresh water after each use, which keeps the machine from becoming the next source of odor.
In our testing on muddy paw prints along a carpeted stairway, the CleanSlate Plus cleaned three full treads on a single tank. The included 7-inch WidePath tool made quick work of the broad areas, and the TightSpot tool handled the corners where dogs tend to plant their paws. Reviewers with senior dogs and indoor cats mention the WidePath tool as the reason they picked this machine over other portables.
The 40 oz tank is on the smaller side for a portable, but it is enough for spot jobs and short stairways. The trial-size cleaning solution included in the box is a small amount, so plan on buying a full bottle of Hoover’s pet formula right away. Pair it with the Oxy cleaning concentrate for old stains.
The CleanSlate Plus is a spot cleaner, not a whole-room machine. If you want to deep clean an entire living room, you will refill too many times. For stairs, upholstery, car interiors, and emergency spot cleanups, it is one of the best portable carpet cleaners for pet stains you can buy.
Best uses for the CleanSlate Plus
Carpeted stairways, cars with shedding pets, and couches that need quick refreshes are the CleanSlate Plus sweet spot. The WidePath and TightSpot tool combination covers both broad and tight areas without swapping attachments.
It is also a great second machine for households that already own an upright. Keep the upright for whole-room work and the CleanSlate for stairs, furniture, and cars.
Where the CleanSlate Plus falls short
It is not designed for whole-room deep cleaning, and the 40 oz tank fills up quickly on bigger jobs. The trial-size solution is also small.
For deep-set stains on light carpet, the Little Green HydroSteam or StainStriker pulls more out. The CleanSlate is at its best on routine pet messes and tight spaces.
7. Hoover PowerScrub Deluxe Carpet Cleaner (Model FH50150NC): Best Heavy-Duty Upright for Set-In Pet Stains
Hoover PowerScrub Deluxe Carpet Cleaner Machine, Pet & Upholstery Tools
Weight: 18.5 lb
Tank: 3.8 L
Brushes: 5 SpinScrub rotating
Hose: 8 ft with pet tools
Pros
- Strong suction pulls significant dirt and grime from carpets
- Five SpinScrub brushes attack stains from multiple angles
- HeatForce technology reduces drying time
- Dual tank technology keeps clean and dirty water separated
- Includes upholstery
- pet and crevice tools plus 8 ft hose for stairs and furniture
- Auto Mix delivers proper water-to-solution ratio consistently
Cons
- Heavier and harder to maneuver than portable cleaners
- Solution and clean water tanks are relatively small for the machine size
- Reported rust-prone turbine in brush assembly over time
- Loud during operation
The PowerScrub Deluxe is the workhorse upright I would buy if my main goal was lifting embedded pet stains out of medium-pile and high-pile carpet. The five SpinScrub brushes rotate in opposite directions, scrubbing from multiple angles that a single brush cannot match. In our testing on a high-pile carpet with multiple set-in dog urine stains, the PowerScrub pulled dark water out of carpet that other uprights left visibly stained.
The 8-foot hose and included pet tool, upholstery tool, and crevice tool extend this machine to stairs, couches, and car interiors, which most uprights cannot do well. The HeatForce technology reduces drying time, and Auto Mix handles the detergent-to-water ratio so you do not have to measure. Reviewers consistently describe the PowerScrub Deluxe as out-cleaning rental machines they have used in the past.
It is heavy. At 18.5 pounds, it is a real workout to carry up a flight of stairs, and the cleaning path is wide enough that you need room to maneuver. The 3.8 liter clean water tank sounds generous until you start cleaning a large room, when you will refill mid-job. Owners who have used the machine for two or more years also report occasional rust on the turbine assembly, which is the main long-term durability complaint.
For a pet household that wants to deep clean the whole house once a season and spot clean between sessions, the PowerScrub Deluxe is a strong value. It costs less than the Bissell ProHeat 2X Revolution and handles high-pile carpet particularly well.
Best uses for the PowerScrub Deluxe
Whole-home deep cleaning sessions, high-pile carpet, and stairs with an 8-foot hose are the PowerScrub strengths. The five-brush system handles pet stains other uprights leave behind.
It is also a good fit for households with one or two pets that have an occasional accident. The combination of brush agitation, suction, and Auto Mix delivers consistent results.
Where the PowerScrub Deluxe falls short
The 18.5 pound weight and bulk make it harder to store and harder to carry than any portable. The clean water tank also refills more often than the size suggests.
If you mostly spot clean, this rig is overkill. The ProHeat 2X Revolution is a faster-drying alternative at a higher price. Choose the PowerScrub for raw cleaning force.
8. BISSELL Revolution HydroSteam Pet Carpet Cleaner (Model 3432): Best High-Tech Upright for Tough Stains
BISSELL Revolution HydroSteam Pet Carpet Cleaner, 3432
Weight: 15.4 lb
Tank: 1 gallon
Modes: SteamWash Max, Steam Pretreat, Quick Dry
HydroSteam Technology
Pros
- HydroSteam Technology is unique to Bissell carpet cleaners
- 2X better cleaning in SteamWash Max Clean Mode
- Steam Pretreat Mode penetrates tough stuck-on and sticky messes
- Quick Dry Mode dries carpets in about 30 minutes
- Pulls surprising amounts of deeply embedded dirt and old pet stains
- Improved tank design is easier to fill
- empty and clean vs earlier Revolution
Cons
- Heavier than the previous generation at 15.4 pounds
- Some users report weaker suction and extended carpet drying times
- Wind-tunnel noise reported by some owners during use
The Revolution HydroSteam Pet is the most innovative upright on this list, and the most polarizing. The HydroSteam Technology combines steam, suction, and Bissell cleaning formula in SteamWash Max mode, which the company claims delivers 2X better cleaning than the previous Revolution. In our experience, the steam pretreat mode visibly softens stuck-on grime before the brushes hit it, which on dried mud and old vomit spots made a real difference compared to cold-water uprights.
The Quick Dry Mode leaves carpet dry enough to walk on in about 30 minutes, which matches the ProHeat 2X Revolution. The improved tank design is also a noticeable upgrade over the older Revolution, with easier fill, empty, and rinse cycles. Reviewers with multiple pets and senior animals highlight the visible lift on old stains as the main reason they upgraded.
At 15.4 pounds, the HydroSteam Pet is heavier than the previous Revolution, which is a trade-off for the steam hardware. A small number of owners have reported weaker suction and longer dry times than they expected, and the wind-tunnel noise during steam cycles is louder than the older model. The 13 percent one-star review rate is also higher than the rest of this list, so it is worth reading recent reviews before buying.
For pet owners who want the most advanced upright Bissell makes and are willing to accept some risk for the steam technology, this is the right pick. For a more conservative choice with proven durability, the ProHeat 2X Revolution Pet Pro Plus is a safer bet.
Best uses for the Revolution HydroSteam Pet
Multi-pet households with deep-set stains on medium-pile and high-pile carpet get the most out of this machine. The Steam Pretreat Mode softens what cold water leaves behind.
It also suits households that want the fastest dry time on the market and are comfortable with a heavier machine. The HydroSteam technology is the main reason to pick this over cheaper uprights.
Where the Revolution HydroSteam Pet falls short
It is heavier than any other upright on this list, and some owners have reported weaker suction than expected. The 1-star review percentage is also higher than the rest of our picks, which signals more quality-control variance.
If you want a proven workhorse upright with lower risk, the ProHeat 2X Revolution Pet Pro Plus or Hoover PowerScrub Deluxe is a safer choice. The HydroSteam Pet is for buyers who specifically want steam power.
How We Picked and Tested
Our team spent six weeks testing the best carpet cleaners for pet stains across real home conditions. We did not run lab tests or simulate pet accidents. We worked with two dogs and two cats in a 1,800-square-foot home with a mix of low-pile carpet, high-pile carpet, area rugs, and carpeted stairs.
Each machine was used on fresh urine spots (under 24 hours old), set-in urine spots (1 week to 6 months old), muddy paw prints, cat vomit on area rugs, and tracked-in dirt from a backyard. We tracked how many passes it took to remove visible staining, how dry the carpet was after 30 minutes, how loud the machine was, and how easy the tank and hose were to empty and rinse.
We also read every verified-purchase review on Amazon for each model and weighted the most common pain points. The result is a list that balances cleaning power, dry time, ease of use, and durability, the things pet owners actually care about.
Buying Guide: How to Choose the Best Carpet Cleaner for Pet Stains
Upright vs portable spot cleaner
Uprights handle whole-room deep cleaning with more suction, larger tanks, and wider cleaning paths. Portable spot cleaners are lighter, faster to deploy, and easier to store. Most multi-pet households benefit from owning both: an upright for seasonal deep cleans and a portable for daily accidents.
If you live in an apartment and clean less than 200 square feet of carpet, a portable may be all you need. If you have wall-to-wall carpet across a whole house, an upright is the right primary machine.
What to look for in a pet carpet cleaner
Strong suction matters more than brush type for pet urine. Uric acid crystals need to be physically pulled out of carpet fibers, and brushes alone will not do it. Look for terms like deep cleaning, hot water extraction, or high suction power in the product description.
Tank capacity determines how often you refill. Portables under 1 liter fill up fast. Anything 48 oz or larger is more usable for full-room cleaning. Dual tank systems keep clean and dirty water separated, which prevents the smell of dirty water from contaminating your cleaning solution.
Hose length matters for stairs and upholstery. An 8-foot hose reaches a full flight of stairs without moving the machine. A self-cleaning hose cycle keeps the hose from becoming the next source of pet odor.
Surface type guide
Low-pile carpet is the easiest to clean and tolerates any machine. Medium-pile carpet needs strong suction to pull water out. High-pile carpet needs more dry time and benefits from uprights with high water lift. Area rugs vary by material: synthetic rugs tolerate any cleaner, while wool, jute, sisal, and silk need gentler enzymatic cleaners and minimal agitation. Always check the rug manufacturer’s care label before deep cleaning.
Upholstery and stairs benefit from portable spot cleaners with specialized upholstery tools. The tool should have a wide opening for cushions and a narrow opening for corners and seams.
The 5-minute pretreatment rule
For set-in stains, the single biggest performance difference comes from pretreatment. Spray an enzymatic or oxygen-based pretreater on the stain, wait 5 minutes, then run the carpet cleaner. We tested this side by side and the pretreated spots lifted visibly more than the same machine on the same stain without pretreatment.
Enzymatic cleaners use bacteria to break down uric acid crystals, which is the only chemistry that removes pet odor at the source rather than masking it. Oxygen cleaners work on surface stains but do not fully eliminate odor. Hydrogen peroxide-based formulas can bleach carpet, so test in an inconspicuous spot first.
Fresh stains vs set-in stains
Fresh stains (under 24 hours) respond to any carpet cleaner with a slow wet pass and extraction. Set-in stains (over a week) need pretreatment, multiple passes, and patience. For stains over six months old, plan on enzymatic pretreatment overnight before cleaning.
Cat urine is generally more concentrated and more odoriferous than dog urine because cats have higher-protein waste. Expect cat stains to need more pretreatment and more passes than dog stains of the same age.
Pet safety during and after cleaning
Keep pets out of the room while you clean and for at least an hour after. Cleaning solution residue can irritate paws and stomachs if licked, and wet carpet is a slip hazard for older pets. Open windows for ventilation or run a fan to speed drying and reduce fumes.
For sensitive pets, choose fragrance-free enzymatic cleaners. Citrus and ammonia-scented products can be off-putting to cats in particular and may encourage re-marking on the cleaned spot. Bissell and Hoover both offer unscented pet formulas.
Maintenance and hose cleaning
A dirty hose and brush roll will turn your carpet cleaner into the next source of pet odor. After every use, empty both tanks, rinse the dirty water tank, and run fresh water through the hose if your model has a self-cleaning hose cycle. Once a month, run an enzymatic cleaner through the system to break down any residue the fresh water misses.
Brush rolls collect pet hair, which tangles around the bearings and reduces cleaning performance. Remove hair after each use. Most Bissell and Hoover machines have removable brush covers that make this a one-minute job.
Frequently Asked Questions
What do professional carpet cleaners use for pet urine?
Professional carpet cleaners typically use a truck-mounted hot water extraction machine with a pretreater spray containing an enzymatic or oxygen-based formula. They pretreat the stain, let it dwell for 5 to 10 minutes, then extract with hot water at 200 degrees Fahrenheit or higher. For pet households, the pretreater is the most important step. A home carpet cleaner with strong suction and a quality enzymatic formula can match professional results on most stains.
What is the best carpet cleaner for pet stains according to Consumer Reports?
Consumer Reports consistently rates upright carpet cleaners with strong suction and dedicated pet tools at the top of their lists. Bissell ProHeat 2X Revolution models and Hoover PowerScrub models are frequent top picks because they combine heated cleaning with pet-specific attachments. For portable spot cleaning, Consumer Reports and major pet publications tend to favor the Bissell Little Green line and the Shark StainStriker. The best machine for your home depends on whether you need whole-room deep cleaning or targeted spot work.
How do you get rid of old pet urine stains in carpet?
Old pet urine stains require enzymatic pretreatment before cleaning. First, blot the area with a clean cloth to remove any surface moisture. Then saturate the stain with an enzymatic cleaner formulated for pet urine, working it into the carpet fibers. Let it dwell for at least 5 minutes, or overnight for stains over a month old. Finally, run a carpet cleaner with strong suction over the spot using slow, overlapping passes. Repeat the process if odor remains. Uric acid crystals reform when humidity rises, so enzymatic treatment is the only chemistry that fully removes the smell.
Can professional carpet cleaners get pet stains out?
Yes, professional carpet cleaners can remove most pet stains, especially fresh ones. They use truck-mounted hot water extraction equipment with stronger suction and hotter water than home machines. However, set-in stains that have been repeatedly cleaned with the wrong products may be permanent because the dye in pet urine can bond permanently with carpet fibers. For set-in stains, professionals typically need multiple visits with enzymatic pretreatment between visits. A home carpet cleaner with strong suction and enzymatic pretreatment can match professional results on most stains at a fraction of the cost.
What is the best carpet cleaner for removing old pet stains?
The best carpet cleaner for removing old pet stains is an upright with strong suction, a dedicated pretreater, and heated cleaning. The Bissell ProHeat 2X Revolution Pet Pro Plus leads our picks for old stains because the CleanShot Pretreater hits stains and bonds with OXY formula before the brushes engage. The Bissell Little Green HydroSteam is the best portable for old stains because HydroSteam technology softens what cold water leaves behind. Pair either machine with an enzymatic pretreater and let it dwell for 5 to 10 minutes before extracting.
How often should you shampoo carpet with pets?
Most carpet manufacturers recommend deep cleaning every 12 to 18 months for normal households. In a pet household, plan on deep cleaning every 6 to 9 months and spot cleaning weekly. Multi-pet households with shedding and accidents may need monthly deep cleaning of high-traffic areas. The schedule depends on your pets, your carpet color, and how visible stains are. Light-colored carpet shows stains faster and benefits from more frequent cleaning. Vacuum at least twice a week between deep cleans to keep pet hair from settling into carpet fibers.
Final Verdict: Which Carpet Cleaner Should You Buy
After six weeks of testing, the Shark StainStriker is our pick for the best carpet cleaner for pet stains in 2026. It is portable, lightweight, and the OXY Multiplier formula pulled more visible staining out of our test carpet than any competitor in the spot cleaner category. It is also the most grab-and-go machine on this list, which matters when you catch an accident in the moment.
For pet owners on a tighter budget, the Bissell Little Green Pet Deluxe is the right pick. It has been a category bestseller for years because it does the job, includes the right attachments, and the self-cleaning hose keeps maintenance simple. For whole-home deep cleaning, the Bissell ProHeat 2X Revolution Pet Pro Plus delivers the closest experience to a professional rental in a home upright, with the CleanShot Pretreater and 30-minute Express Clean Mode leading the way.
The best carpet cleaners for pet stains are not all the same machine. Your pet count, your carpet type, and your storage space all change the right answer. Use this guide to match your situation to the right pick, and remember: the most important step is pretreatment with an enzymatic formula and the patience to let it dwell before extracting. That 5-minute wait is the single biggest performance lever you control.