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Pet Carpet Cleaners: What to Look For

  • Writer: Doody Bug
    Doody Bug
  • 11 minutes ago
  • 12 min read

If pet odor keeps coming back, the issue is usually below the carpet surface. I’d choose based on mess size, odor strength, and whether I need whole-room cleaning or spot treatment.

Here’s the short version:

  • Upright machines are best for large carpeted areas and deeper wash-and-extract cleaning.

  • Portable spot cleaners are best for stairs, upholstery, car interiors, and small accidents.

  • Enzyme sprays are best for urine odor, repeat marking, and set-in organic messes because they target what water alone often leaves behind.

  • Full-size machines in this group run about $190 to $320+, while enzyme sprays are often $8 to $23 for smaller bottles.

The products covered here are:

  • Hoover SmartWash Pet Complete

  • Bissell ProHeat 2X Revolution Pet Pro

  • Bissell SpotClean Pet Pro

  • Bissell Little Green Pet Deluxe

  • Nature's Miracle Urine Destroyer Plus

  • Rocco & Roxie Stain & Odor Eliminator

What I’d look at first:

  • Stain removal

  • Odor control

  • Ease of use

  • Dry time

  • Price

  • Best use case

One simple rule: if you need to clean a room, get a machine. If you need to stop a smell from coming back, use an enzyme cleaner. If the mess is small, a portable unit is usually the better fit.


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Quick Comparison

Pet Carpet Cleaners Compared: Machines vs. Sprays at a Glance

Product

Type

Best For

Main Strength

Main Tradeoff

Price Range

Hoover SmartWash Pet Complete

Upright machine

Whole-room carpet cleaning

Simple operation and stain treatment wand

Smaller dirty tank and slower drying

$249.99–$319.99

Bissell ProHeat 2X Revolution Pet Pro

Upright machine

Deep cleaning and odor-heavy jobs

Strong odor focus and pre-treater

Loud and may need extra dry passes

$190–$320

Bissell SpotClean Pet Pro

Portable machine

Stairs, cars, upholstery, old spots

Strong suction and stain trapper tool

Must be carried by hand

$170–$190

Bissell Little Green Pet Deluxe

Portable machine

Small messes and car interiors

Light weight and easy storage

Lower power and smaller tank

$98.10–$139.99

Nature's Miracle Urine Destroyer Plus

Enzyme spray

Urine odor in carpet and pad

Targets odor source

Needs soaking and wait time

$8–$20

Rocco & Roxie Stain & Odor Eliminator

Enzyme spray

Older stains and odor spots

Strong stain results and multi-surface use

Can use a lot of product on old messes

$19–$23

If I were narrowing it down fast, I’d put it this way:

  • Pick Hoover SmartWash for easy whole-room carpet cleaning

  • Pick Bissell ProHeat 2X for deeper odor-focused carpet work

  • Pick SpotClean Pet Pro for small but tough messes

  • Pick Little Green Pet Deluxe for lighter spot jobs

  • Pick Nature’s Miracle or Rocco & Roxie when odor is the main problem

That’s the main takeaway from the full article: machines remove liquid; enzyme sprays deal with the residue that keeps smells coming back.


The Hoover SmartWash Pet Complete (FH53000PC) is a full-size upright carpet cleaner made for homes with pets. It usually sells for $249.99 to $319.99 and includes a 5-year warranty.

What makes it stand out is how simple it is to use. The triggerless system washes on the forward pass, dries on the back pass, and meters cleaning solution on its own to help limit extra suds. That means less guesswork while you clean.

If you're dealing with older, set-in stains, the included Spot Chaser Pretreat Wand gives you a direct way to treat the problem area first. You apply the concentrated Oxy formula to the stain, wait 10 to 15 minutes, and then run the main cleaning pass. It also comes with FlexForce Pet PowerBrushes, which are treated to help resist odor buildup.

There are a couple of trade-offs. Consumer Reports rates drying as "Fair", and the 0.5-gallon dirty water tank may need to be emptied often during bigger cleaning sessions. Hoover does include a "Dry Only" button and HeatForce technology to help move drying along after washing.

In plain terms, this model does best with full-room carpet cleaning. It's strong on ease of use and stain removal, but less ideal if your main goal is fast drying or small spot-only cleanup.

The specs below matter most for tank size, reach, and how much stopping you'll need to do during cleanup.

Feature

Specification

Motor Power

10 amps

Clean Water Tank

1.0 gallon

Dirty Water Tank

0.5 gallons

Hose Length

8–8.75 feet

Weight (Empty)

18.9–19 lbs

Warranty

5 years


The Bissell ProHeat 2X Revolution Pet Pro usually sells for $190 to $270 for the standard version. The Pet Pro Plus bundle (3588F) tends to land between $220 and $320. It also comes with a 5-year limited warranty.

Among full-size upright carpet cleaners, this one puts the biggest focus on odor removal.

In Reviewed's lab test, the included Pet Pro Oxy Urine Eliminator removed a strong red fox urine odor in two minutes.

One of the main extras here is the CleanShot pretreater. It's a foot-activated sprayer that sends a concentrated stream of formula right onto tough spots before you make the main cleaning pass. That can help when you're dealing with set-in pet messes instead of surface dirt.

For lighter cleanup, like muddy paw prints, Express Clean Mode uses a lighter wash and can leave carpets dry in about 30 to 60 minutes. If the issue is deeper odor, MAX Clean Mode goes harder with a more thorough pass. The tradeoff? It's loud. At 86 dBA, it's smart to move pets into another room before you start cleaning.

There are a couple of downsides. The 54-oz dirty water tank may need to be emptied often, and the below-average nozzle suction can mean extra dry passes before the carpet feels less damp.

Feature

Specification

Motor Power

6.8 amps (~816W)

Clean Water Tank

1 gallon

Dirty Water Tank

54 oz

Hose Length

8 feet

Cord Length

25 feet

Weight (Empty)

17.5 lbs

Cleaning Path

11 inches

Warranty

5-year limited

For smaller messes, the next product type shifts to portable spot cleaning.


For small messes and grab-and-go cleaning, the Bissell SpotClean Pet Pro usually sells for $170 to $190. It uses a 5.7-amp motor, which gives it strong suction for dried-on dirt and stubborn stains.

One feature that stands out is the Stain Trapper Tool. It pulls in both solid and liquid pet messes and holds them in a separate internal chamber before they can get into the main hose or tank. That’s a nice touch, especially if you’ve ever had to deal with a dirty hose after cleaning up a pet accident.

The 3/4-gallon (96 oz) dual-tank system also helps. You can clean longer without stopping to refill as often, and the 22-foot power cord plus 5-foot hose gives you enough range for stairs, couches, and car seats without having to keep moving to a new outlet. The trade-off is portability: at 13.2 lbs, and with no wheels, this unit has to be carried by hand.

It also comes with Pet Urine Eliminator + Oxy formula, which is made to tackle odor and help cut down on repeat soiling.

Feature

Specification

Motor Power

5.7 Amps

Tank Capacity

3/4 Gallon (96 oz)

Power Cord

22 Feet

Hose Length

5 Feet

Weight (Empty)

13.2 lbs

Noise Level

Approximately 84 dB

Included Tools

3" Tough Stain Tool, Stain Trapper Tool

Next up is an even smaller spot cleaner.


The Bissell Little Green Pet Deluxe is Bissell’s lightest pet spot cleaner in this group, made for stairs, upholstery, and car interiors. It usually sells for $139.99, though it has dropped as low as $98.10 on sale. The tradeoff is pretty simple: you get an easier-to-carry machine, but you give up some power and tank capacity.

Its 3-amp motor does a solid job on fresh urine, vomit, and mud. But if a stain has been sitting for a while, or if it’s oil-based, expect to go over it more than once and do a bit of light scrubbing. This is a spot cleaner, not something you’d use for wall-to-wall carpet cleaning.

The standout feature is the Stain Trapper Tool. It pulls liquid messes into a separate small container before they hit the main dirty-water tank. That’s a nice touch, especially for nastier cleanup jobs. You also get a 3-inch Tough Stain Tool and a HydroRinse Self-Cleaning Tool, which flushes the hose after use to help cut down on pet hair and leftover residue inside the line.

The 48 oz clean-water tank is enough for a few spot-cleaning sessions before you need a refill. A 15-foot cord and 4-foot hose give you enough reach for most small messes, although the hose can feel limiting when you’re trying to reach high spots or work deep into awkward areas. One downside is the noise. At about 76 dB, it’s loud enough to drown out conversation and may spook pets that are already on edge.

Pet Oxy Boost is meant to target odor instead of just covering it up. After cleaning, let the area dry all the way before pets walk or lie on it again.

Feature

Specification

Motor Power

3 Amps

Tank Capacity

48 oz

Power Cord

15 Feet

Hose Length

4 Feet

Weight

9.65 lbs

Noise Level

~76 dB

Included Tools

3" Tough Stain Tool, Stain Trapper Tool, HydroRinse Self-Cleaning Tool

If you want a non-machine option, the next products use enzyme-based formulas instead of extraction.

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Unlike the machine cleaners above, this spray works down in the carpet fibers and padding, where odor likes to stick around.

Nature's Miracle Urine Destroyer Plus uses an enzymatic formula. That means the enzymes break down urine, feces, and vomit at the source instead of just covering up the smell.

That matters a lot with dog urine. Old urine odors can hang around in carpet and lead dogs to mark the same spot again.

How you use it depends on the stain. A fresh accident needs one approach. A set-in stain or a deep odor in the pad needs more time and more saturation.

Application

Method

Wait Time

Fresh stains

Blot up as much as possible first, then apply full strength and blot with a clean cloth

15 minutes

Set-in stains

Rehydrate, saturate, and cover with plastic wrap

Overnight

Tough odors

Saturate the area so it reaches the carpet pad and let it air-dry

Until fully dry

One key thing here: don't mix steps with other cleaners. Do not pre-treat with detergent or a general-purpose cleaner, because that can reduce enzyme performance.

The formula contains no bleach or ammonia. Even so, it can irritate the eyes and skin. Keep pets and people off the treated area until the carpet is fully dry.

There is one trade-off. The product has a strong, slightly sour smell while it's working. It's not pleasant, but it usually fades as the area dries.

The next section compares these products based on stain removal, odor control, ease of use, and value.


6. Rocco & Roxie Stain & Odor Eliminator

Rocco & Roxie uses a bio-enzymatic formula that breaks down urine, feces, and vomit at the source. In plain English, this is a spot-treatment spray for messes that need targeted cleanup, not a product for cleaning an entire room.

In testing, one application removed 100% of fresh urine stains and 95% of dried urine stains. That kind of result helps explain its 4.5/5 Amazon rating across more than 110,000 reviews.

It also carries the Carpet and Rug Institute (CRI) Seal of Approval for carpet safety, including delicate fibers. So you’re not boxed into carpet-only use. It’s also safe on:

  • Upholstery

  • Hardwood

  • Tile

  • Laminate

  • Pet bedding

Use matters here. You need to soak the stain all the way through to the pad, wait 30 to 60 minutes for fresh stains or leave it overnight for older ones, then blot with a weighted towel. One thing to avoid: don’t use it in a steam cleaner, because high heat can deactivate the enzymes.

Price-wise, a 32 oz bottle runs about $19 to $23, while a 1-gallon refill costs about $59.99 and makes more sense if you use it often. The catch is simple: older stains may take more product, so cost can climb if you’re dealing with set-in messes. Those tradeoffs matter in the feature-by-feature comparison below.


Feature-by-Feature Comparison

No product wins every category. The best pick comes down to the kind of mess, how often it happens, and where it shows up in your home. The table below narrows things down to the differences that matter most.

Product

Type

Best For

Tank/Bottle

Dwell Time

Surface Compatibility

Price

Hoover SmartWash Pet Complete

Full-size upright

Large areas & old stains

1 gal

N/A

Carpet, large rugs

~$250

Bissell ProHeat 2X Revolution Pet Pro

Full-size upright

Deep cleaning & odors

1 gal

N/A

Carpet, rugs, upholstery

~$190–$320

Bissell SpotClean Pet Pro

Portable spot cleaner

Deep, old stains; stairs & car interiors

96 oz

N/A

Carpet, upholstery, stairs, car interiors

~$175

Bissell Little Green Pet Deluxe

Portable spot cleaner

Fresh accidents & small spots

48 oz

N/A

Carpet, upholstery

~$100–$140

Nature's Miracle Urine Destroyer Plus

Enzymatic spray

Urine odors

1 gal

10–15 min

Carpet, upholstery, hard floors

~$8–$20

Rocco & Roxie Stain & Odor Eliminator

Enzymatic spray

Old stains & odors

32 oz

10–15 min

Carpet, upholstery, hard floors

~$24

The big divide here is machine vs. spray. Machines pull liquid out. Sprays work on the residue that keeps smells hanging around. That one difference shapes which product makes sense for each kind of pet mess.

For fresh accidents, portable spot cleaners are usually the fastest move. They’re easy to grab, easy to aim, and well suited for small areas. Full-size uprights do better with old stains and lingering odor in the pad. The Hoover SmartWash stain wand and the Bissell ProHeat CleanShot pretreater both go after grime that’s worked its way deep into the carpet before the main cleaning pass.

When odor is the main problem, enzymatic sprays like Nature's Miracle Urine Destroyer Plus and Rocco & Roxie matter most. But there’s a catch: dwell time is not optional. If you skip the full 10–15 minutes, these sprays often fall short, and that’s one of the most common reasons people think they “don’t work”.

For the toughest smells, the best play is a two-step one: saturate the area with an enzymatic spray, let it dwell, then extract with a machine.


Pros and Cons by Product Type

Different messes call for different tools. Instead of comparing one model against another, it helps to look at the bigger picture: what each product type is good at, where it falls short, and when it makes sense to use it.

Product Type

Pros

Cons

Best Fit

Upright Machines

Deepest clean; removes embedded hair; large tanks (typically 1 gallon or more); covers whole rooms fast

Heavy (up to 50 lbs); bulky to store; $140–$500+ price range; about 80 dB noise level

Multiple pets, large homes, routine deep cleaning

Portable Spot Cleaners

Lightweight (6–13 lbs); easy to store; quick to grab for fresh messes; works on stairs, upholstery, and car interiors

Small tanks need frequent refilling; not suited for large areas; requires bending and kneeling

Fresh accidents, stairs, upholstery, small spaces

Enzymatic Solutions

Breaks down uric acid crystals at the source; prevents re-marking; safe for most surfaces; $8–$35 per bottle

No extraction power; requires dwell time of 10–15 minutes; deep odors may need repeated treatments

Recurring accidents, urine odors, puppies in training

Here’s the simple way to think about it: sprays treat the odor source, while machines pull liquid out of carpet. They do different jobs, and in a lot of homes, you’ll want both.

For training accidents, a portable spot cleaner paired with an enzymatic spray is often the most practical combo. The spray handles the urine residue and odor, while the machine helps lift moisture from the carpet. If you’ve got a bigger house, more than one pet, or messes that happen often, an upright machine usually makes more sense because it can cover more ground in less time.

One more thing matters just as much as the tool itself: the formula you use. Avoid phenols, quats, and bleach-based formulas, especially on surfaces pets may touch before drying.


Conclusion

Choose based on the size of the mess and how strong the odor is.

Upright cleaners work best for large carpeted areas. Portable spot cleaners are a better fit for fast cleanups on stairs and upholstery. And enzyme sprays are the go-to option for repeat urine odors, including products like Rocco & Roxie Stain & Odor Eliminator or Nature's Miracle Urine Destroyer Plus.

For repeat messes, match the product to the problem. Start with a pet-safe enzymatic cleaner, then use a carpet cleaning machine to pull liquid out of the carpet fibers and pad. That combo helps remove moisture and break down the source of the odor.


FAQs


Do I need a machine or an enzyme spray?

You need both.

An enzyme spray breaks down the organic proteins and uric acid crystals that cause the odor. But on its own, it may not do the whole job.

If urine has soaked into the carpet padding, a machine helps pull out the treated liquid and leftover residue. That matters because, as the carpet dries, the stain and smell can wick back up to the surface.


Will enzyme cleaners remove old urine odor?

Yes. Enzyme cleaners can get rid of old urine odor because they break down the uric acid crystals that cause the smell.

With older, deeper stains, start by rehydrating the area with warm water. Then soak the spot well so the cleaner can reach the carpet padding, not just the surface fibers.

Let the cleaner sit for 12 to 24 hours. Cover the area with plastic to keep it moist while it works. If the odor sticks around, you may need two or three treatments.


Can I use a spot cleaner on stairs and upholstery?

Yes. Spot cleaners are made for small, targeted messes in places where a large upright cleaner just doesn't fit, like stairs and upholstery.

When you compare models, look for one with a flexible hose and a few purpose-built attachments, such as an upholstery tool or crevice tool. Those extras help you clean stains, pet hair, and odors with more control and precision.


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