2 Best 22-Inch Carpet Cleaners, Compared

Quick picks

The best fit for you

• You want the best overall hard-surface scrubber KARHDIR 22-Inch Walk-Behind Floor Scrubber It features a 22-inch cleaning width and weighs 300 pounds.
• You need a battery-powered commercial scrubber SUNMAX 22-Inch Battery Commercial Floor Scrubber It is designed for commercial use with a 23-inch width.
• You prefer a turquoise colored unit KARHDIR 22-Inch Walk-Behind Floor Scrubber It comes in turquoise and has a 50-inch length.

Our 2 picks

1 Best overall

KARHDIR 22-Inch Walk-Behind Floor Scrubber

Best for: Large commercial hard-surface floor cleaning

Cleaning Width

22-Inch (what this guide is about)

Form Factor

Walk-Behind

Tank Capacity

15.9 gal clean, 18.5 gal sewage

Compatible Surface

Hard Floors

Dimensions

50 × 31 × 42 inches

Weight

300 pounds

View on Amazon: KARHDIR 22-Inch Walk-Behind Floor Scrubber Affiliate link

This walk-behind scrubber cleans 22 inches wide in a single pass, covering up to 32,000 square feet per hour. It features a 15.9-gallon solution tank and an 18.5-gallon sewage tank for extended runtime. The unit weighs 300 pounds and includes brushless motors for quieter operation. It suits large commercial spaces with hard surfaces like concrete, tile, or sealed hardwood.

Pros

• 22-inch cleaning width for efficient single-pass coverage
• 15.9-gallon solution and 18.5-gallon sewage tank capacity
• Brushless motors provide higher rotational speed and lower noise
• Covers up to 32,000 square feet per hour

Cons

• Heavy 300-pound build limits portability
• Large footprint requires ample storage space
• No listed battery runtime or charging time

Good fit if

• You need to clean large commercial floors quickly
• You operate on hard surfaces like concrete or tile
• You want a machine with large water tanks

Skip if

• You clean small residential rooms
• You need a lightweight, portable unit
• You require carpet cleaning capabilities

Verdict: KARHDIR 22-Inch Walk-Behind Scrubber fits facility managers maintaining large hard-surface areas who prioritize coverage speed and tank capacity over portability.

2 Best budget

SUNMAX 22-Inch Battery Commercial Floor Scrubber

Best for: Large commercial hard-floor cleaning

Cleaning Width

22-Inch (what this guide is about)

Form Factor

Walk-Behind

Tank Capacity

13.2-gal solution, 14.5-gal recovery

Power Source

Cordless

Compatible Surface

Hard floor, concrete, epoxy, tile, VCT

Battery Runtime

Up to 5 hours

View on Amazon: SUNMAX 22-Inch Battery Commercial Floor Scrubber Affiliate link

The SUNMAX RT50 is a walk-behind floor scrubber with a 22-inch cleaning path. It features a 24V battery system that provides up to 5 hours of runtime. The machine includes a 13.2-gallon solution tank and a 14.5-gallon recovery tank. It operates at 200 RPM to scrub hard floors. This unit suits commercial spaces like warehouses or schools that need efficient daily cleaning.

Pros

• 22-inch cleaning width for broad coverage
• Up to 5 hours of battery runtime
• 13.2-gallon solution and 14.5-gallon recovery tanks
• 200 RPM brush speed for effective scrubbing

Cons

• Weighs 330 pounds, making it heavy to move
• Requires approximately 8 hours to recharge the battery
• Limited to hard surfaces only

Good fit if

• You need to clean large commercial hard floors daily
• You want to reduce refill and drain stops with large tanks
• You prefer a cordless system for longer runtime

Skip if

• You only have small residential spaces to clean
• You need a machine for carpet or soft surfaces
• You require a lightweight unit for easy storage

Verdict: SUNMAX 22" Commercial Floor Scrubber is a heavy-duty option for facilities that clean large hard-floor areas. It fits teams that need long runtime and large tank capacity to minimize interruptions.

Specifications side by side

Is a 22-Inch Cleaning Width Worth It for Your Space?

A 22-inch cleaning width determines how many passes you need to cover a floor. With this width, you cover more ground per pass than narrower models, reducing total cleaning time for large areas. The KARHDIR and SUNMAX units both use this width to maintain stability and coverage speed. However, the wider footprint requires adequate aisle space. You must ensure your facility has enough room for the machine's overall dimensions, such as the 31-inch width of the KARHDIR or the 45-inch length of the SUNMAX, to maneuver safely.

Worth it if

• You clean large, open commercial floors where fewer passes save time.
• You have wide aisles that can accommodate a 22-inch cleaning path.
• You prioritize coverage speed over tight maneuverability in cluttered spaces.

Skip it if

• You work in narrow hallways or small rooms with tight turns.
• You need a machine that fits through standard doorways with minimal clearance.
• You prefer a more compact footprint for easier storage in small closets.

How we selected 22-inch scrubbers

We scanned Amazon listings for models explicitly stating a 22-inch cleaning width in their titles or feature lists. We excluded other sizes to keep this guide focused on your specific coverage needs. Only one variant per product family was kept to avoid confusion.

We ordered these 2 options by availability first. Next, we used the listing’s overall rating, weighted by review count, to rank them. Finally, we considered how many of our core criteria the published specs met. All details come directly from the product pages. We did not handle these units or test them personally.

How to choose the right 22-inch scrubber

1. Check the form factor

   You must match the machine style to your workflow. The KARHDIR unit is a walk-behind scrubber, which requires you to push and guide it manually across the floor. This design offers direct control but demands physical effort. The SUNMAX model is labeled for commercial use, suggesting a robust build for high-traffic areas. Verify the form factor ensures the machine fits your team's operational needs and physical capabilities without causing fatigue during long shifts.

2. Assess physical dimensions

   Measure your facility's doorways and aisles before buying. The KARHDIR model measures 50 inches in length and 31 inches in width. The SUNMAX unit is slightly narrower at 23 inches wide but 45 inches long. You need to ensure these dimensions allow the machine to turn corners and pass through entry points comfortably. Larger units cover more ground but require more space to maneuver safely in tight commercial environments.

3. Evaluate weight for stability

   Heavier machines provide better traction and scrubbing pressure on hard surfaces. The KARHDIR scrubber weighs 300 pounds, while the SUNMAX model tips the scale at 330 pounds. This significant weight helps the brushes maintain consistent contact with the floor, improving cleaning results on stubborn grime. However, the high mass means you cannot easily lift or transport these units between floors. Plan your storage and transport logistics carefully.

4. Consider tank capacity needs

   Large facilities require machines with substantial tank capacities to minimize refill interruptions. The SUNMAX unit is highlighted for its large tank capacity, allowing teams to clean extensive areas without stopping. The KARHDIR model also prioritizes tank capacity for similar reasons. You should estimate your daily square footage coverage. If you clean vast open spaces, prioritize models with larger tanks to maintain continuous workflow and efficiency throughout your shift.

5. Verify intended use

   Ensure the machine is designed for your specific floor type. These 22-inch models are built for hard surfaces, not carpet. The SUNMAX unit explicitly states commercial use, indicating durability for high-traffic areas. The KARHDIR model is suited for facility managers maintaining large hard-surface areas. Using these scrubbers on carpet will damage the machine and yield poor results. Confirm the intended use matches your facility's primary flooring material before purchasing.

Frequently asked questions

See also

• 22-Inch vs 14-Inch carpet cleaner
• best carpet cleaners under 100
• best carpet cleaners for carpets
• best 22 Inch tillers