ConsFirst / Wet-dry floor cleaners

Tineco

Tineco Floor One S9 Artist Steam Wet Dry Vacuum: the downsides first

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#1 of 8
$$$Cordless wet-dryScore 4.1/5
20%
of Amazon ratings are 1–2 stars
(checked 2026-10-10)
Small sample: 241 Amazon ratings.

Vacuum Wars' #1 hard-floor cleaner and Good Housekeeping's best steam pick: top stain removal, strong edges, a 75-minute runtime and a lay-flat design. But it's the priciest pick, Vacuum Wars found it very heavy, you still rinse the dirty tank every time, and 20% of Amazon ratings are 1-2 stars.

Top complaints

  • Very expensive

    Good Housekeeping calls it the priciest on its list ($799), and Vacuum Wars says it is one of Tineco's most expensive hard-floor cleaners even on sale. Amazon owners are divided on whether it's worth the price difference.

  • Heavy, and the machine sets the pace

    Vacuum Wars measured 6,148 g (13.5 lb), the second heaviest it tested; self-propulsion offsets this but sets the cleaning pace, which some users may not like. Good Housekeeping lists 9.48 lb.

  • Still needs tank rinsing; not a deep or carpet cleaner

    Vacuum Wars says that even with self-cleaning you must empty and rinse the dirty tank after each use, the tank is slightly smaller than average, and it isn't for deep carpet cleaning. Amazon's summary notes some owners say it doesn't deep clean.

What owners love

  • Best stain removal tested

    Vacuum Wars measured 151 stain points (140 average) and a combined mopping score of 175 (138 average), tied for first, leaving only 0.4 g of water (1.0 g average). Amazon owners say the steam handles stubborn messes.

  • Great edges and under-furniture reach

    Good Housekeeping found edge cleaning especially strong and says the lay-flat design compresses to 5 inches. Vacuum Wars notes triple-sided edge cleaning and an anti-hair-wrap system; Good Housekeeping says it picked up long hair without tangling.

  • Long runtime and big dirty tank

    Both Good Housekeeping and Vacuum Wars list 75 minutes (35-minute average per Vacuum Wars). Good Housekeeping says the 750 ml dirty tank is one of the largest it tested. Amazon owners note the longer battery life.

Good for
  • Stuck-on stains and sanitizing with steam
  • Large hard-floor homes (long runtime)
  • Cleaning under low furniture

Scores (tap for why)

  • Cleaning power4.5
    Why 4.5?Top stain and mopping scores with little water left behind (Vacuum Wars); strong in Good Housekeeping's tests.
  • Edges & corners4.5
    Why 4.5?Edge cleaning especially strong (Good Housekeeping); triple-sided edge cleaning (Vacuum Wars).
  • Self-cleaning & upkeep4.0
    Why 4.0?FlashDry washes and hot-air dries the roller and tubes, plus anti-hair-wrap scrapers (Vacuum Wars); the dirty tank still needs rinsing every time.
  • Battery & tank4.5
    Why 4.5?75 minutes, tied for first (Vacuum Wars, Good Housekeeping); the 0.88-liter tank is slightly below average.
  • Durability3.0
    Why 3.0?A 20% Amazon low-star share on a small sample (Vacuum Wars cites 11% one-star against a 14% average); too new for long-term data.

What experts say

  • Good Housekeeping: Best with steam (updated 2026-09-18): steam, hot-water and suction-only modes, very easy to maneuver, especially strong edge cleaning. Con: priciest on the list ($799).
  • Vacuum Wars: #1 hard-floor cleaner (review updated 2026-09-30; list updated 2026-10-07): top stain and mopping scores, 75-minute runtime and FlashDry self-cleaning. Cons: very heavy, expensive, slightly small tank. List $949.
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