Quick Answer: The best carpet shampooer for most homes in 2026 is the Hoover SmartWash+ — its automatic spray system makes deep cleaning nearly foolproof and it removes stains as well as pricier machines. For the deepest clean on heavily soiled or large-area carpet, step up to the pro-grade Bissell Big Green or a Rug Doctor Deep Carpet Cleaner. Pet owners should look at the Bissell ProHeat 2X Revolution Pet Pro.
“Carpet shampooer” is just the classic name for a full-size deep-clean machine: it sprays solution, scrubs it in, and extracts the dirty water. We ranked the best of 2026 for whole-house deep cleaning.
Carpet shampooing by the numbers
- 2.5 fl oz per gallon — the solution dilution Bissell specifies for its full-size machines (about 1¼ capfuls of 2X formula per gallon of hot water), per Bissell’s fill instructions; over-dosing is the top cause of sticky, fast-re-soiling carpet.
- Every 12–18 months — how often carpet manufacturers and the carpet-care industry recommend a deep shampoo, dropping to every 3–6 months in homes with pets or kids.
- pH-balanced, water-based — the formula chemistry the Carpet and Rug Institute recommends to protect fiber and color; look for Green Seal or EPA Safer Choice certification for low-VOC, low-odor cleaning.
Best carpet shampooers at a glance
| Shampooer | Best for | Type | Price | Rating |
|---|---|---|---|---|
| Hoover SmartWash+ | Best overall | Upright | $289.99 | ★★★★★ |
| Bissell ProHeat 2X Revolution Pet Pro | Best for pets | Upright | $237.99 | ★★★★½ |
| Bissell Big Green | Best deep clean | Pro-grade upright | ~$400+ | ★★★★½ |
| Rug Doctor Deep Carpet Cleaner | Best for heavy soil | Pro-grade upright | ~$400-530 | ★★★★☆ |
| Hoover PowerDash Pet Advanced | Best budget | Compact upright | ~$120 | ★★★★☆ |
1. Hoover SmartWash+ — Best Overall Shampooer
Hoover SmartWash+ Automatic Carpet Cleaner
- Automatic triggerless spray: push to wash, pull to dry — no dials to fiddle with.
- Matches the Bissell ProHeat on stain removal, though it now runs about $52 more than the ProHeat 2X Revolution Pet Pro.
- Large tanks and wide path clear whole rooms quickly.
- Full-size and heavy — a whole-house machine, not a spot tool.
The SmartWash+ is the shampooer we’d put in most homes. Its automatic spray removes the guesswork of how much solution to lay down: per Hoover’s specs it auto-mixes from a 20-oz solution flask into a 1-gallon water tank and runs a 10-amp motor, so it cleans as effectively as machines costing more. It’s also the top pick in our overall best carpet cleaner guide, and we compare the whole SmartWash, Power Scrub, and PowerDash range in our best Hoover carpet cleaner roundup.
2. Bissell ProHeat 2X Revolution Pet Pro — Best for Pets
Bissell ProHeat 2X Revolution Pet Pro
- CleanShot pretreater and pet upholstery tool built for accidents and hair.
- Dual counter-rotating DirtLifter brushes lift embedded dirt from [high-traffic zones](/best/best-carpet-cleaner-for-high-traffic-areas/).
- HeatWave and Express Clean mode target a ~30-minute dry time.
- Now actually costs less than the SmartWash+, and still earns its place in pet homes on tools alone.
If pets share your carpet, the ProHeat 2X Revolution Pet Pro is the shampooer to get. The onboard pretreater and specialized tools make it the best-equipped machine for hair, accidents, and odor. See our full best carpet cleaner for pets breakdown for more.
3. Bissell Big Green — Best Deep Clean
Bissell Big Green Machine
- Pro-grade power that rivals rental machines for heavily soiled carpet.
- Big tanks and wide brushroll clean large areas with fewer passes.
- Owning it beats repeated rentals if you deep clean often.
- Heavy and bulky — this is a serious, occasional-use machine.
The Big Green is the machine to buy when you want rental-grade cleaning without the rental. Its aggressive brushroll and big tanks handle deeply soiled carpet that trips up lighter uprights. It’s heavy, but for big homes and heavy jobs the results justify the bulk — see our full Big Green review for the complete spec breakdown and rating.
4. Rug Doctor Deep Carpet Cleaner — Best for Heavy Soil
Rug Doctor Deep Carpet Cleaner
- Vibrating brush and strong extraction lift ground-in dirt from dense carpet.
- The name behind most rental machines — built for tough, occasional deep cleans.
- Owning one pays off fast versus $40-$50 rentals plus solution.
- Heavier and pricier than a standard home upright.
If you’ve ever rented a Rug Doctor from the grocery store, you know the aggressive vibrating-brush deep clean it delivers. Buying the home version makes sense if you deep clean more than a couple of times a year — the machine pays for itself against repeated rental fees, and it’s always ready when you need it.
How to choose a carpet shampooer
- Cleaning power vs. weight. Pro-grade machines (Big Green, Rug Doctor) clean deepest but weigh the most. Standard uprights are lighter and easier to store.
- Automatic vs. manual spray. Auto-spray (Hoover SmartWash) is more foolproof; manual gives control but risks over-wetting.
- Tank size. Bigger tanks mean fewer refills on large homes.
- Dry time. Heated drying and a dry-only pass get you back on the carpet in hours, not the whole day — see our full carpet drying time guide for what “dry time” specs actually mean versus fully dry.
- Buy vs. rent. Deep clean twice a year or more? Owning beats renting quickly — we ran the full break-even math in our carpet cleaner rental guide.
The bottom line
For most homes the Hoover SmartWash+ is the best carpet shampooer — foolproof and effective. Pet owners should choose the Bissell ProHeat 2X Revolution Pet Pro, and anyone facing heavily soiled or large-area carpet should invest in the Bissell Big Green or a Rug Doctor Deep Carpet Cleaner. On a tight budget, the Hoover PowerDash Pet Advanced still gets carpets genuinely clean. Whatever machine you run, the shampoo matters just as much — see our best carpet cleaner solution guide for the right formula. Note that every shampooer above cleans with hot water, not true steam — if sanitizing or allergen reduction is your actual goal, our best carpet steam cleaner guide covers the machines built for that job instead.