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NexaCleanROBOTICS

Wet/Dry Floor Cleaner Buying Guide

How floor washers work, which floors they suit, and what tanks, runtime, steam and self-cleaning mean.

Updated November 11, 2026

A wet/dry floor cleaner (often called a floor washer) vacuums debris and washes sealed hard floors in one pass. A powered brush roller is wetted with clean water and solution while suction pulls dirty water into a separate tank.

Which floors are they for?

They are designed for sealed hard floors such as tile, vinyl and sealed wood. They are generally not intended for carpets, and many manufacturers advise against using them dry. Always follow your flooring manufacturer's care guidance, especially for wood and natural stone.

Key specifications

  • Tank sizes: the clean-water tank sets how much floor you can wash before refilling; the dirty-water tank fills faster on very dirty floors.
  • Runtime: cordless models list a maximum runtime, usually measured in an economy mode. Steam or max modes run for less time.
  • Smart sensing: some models detect how dirty the floor is and adjust water, solution and suction automatically.
  • Lay-flat design: lets the cleaner reach under beds and sofas. Manufacturers list how low the head and handle can go.
  • Edge cleaning: look for brush rollers that reach close to walls on one or both sides.

Steam and heated water

Some floor cleaners heat water or produce steam to help loosen grease and dried spills. Manufacturers may quote the heater temperature rather than the temperature at the floor, so read the footnotes. Check that steam is suitable for your floor type before using it.

Self-cleaning and drying

After cleaning, many models flush the brush roller and internal path in their dock, and some dry the roller with warm air to limit odors. This reduces maintenance but does not replace periodically emptying and rinsing the dirty-water tank.

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