Best 2026 Vacuums for Solution / Liquid system

#1 Narwal Flow 2
5.0

Automatic detergent dosing makes mopping more hands-off and avoids measuring solution each run. The requirement to use Narwal’s approved cleaner limits flexibility.

Pros: Pet-Ready Features, Accessories and Tools

Cons: Automatic shutoff for obstructions, Crevice / Groove Pickup (Hard Floors)

#2 Eufy S2 Omni
5.0

Automatic detergent dosing and controlled water delivery keep the mopping system supplied without manual measuring. The liquid system supports consistent cleaning across scheduled runs.

Pros: Pet-Ready Features, Filtration / Dust Containment

Cons: Ongoing ownership costs (bags, filters

#3 Yeedi M16 Infinity
4.4

The liquid system was praised for consistent water control and a dedicated cleaner tank that supports deeper mopping.

Pros: Hair-removal channel issues, Hair‑Wrap / Tangle Resistance

Cons: Accessories and Tools, Stair Cleaning

#4 Roborock Saros 20
4.2

Automatic detergent dosing is convenient and removes guesswork, while the dock can tailor water use to the cleaning task. The single solution compartment and restrictions on third-party liquids are less...

Pros: Packaging quality, Versatility

Cons: Overall durability/longevity, Scratch resistance

#5 Dyson PencilWash
4.1

The liquid system was generally liked for separating clean and dirty water, adding extra moisture for spots, and avoiding smearing dirt.

Pros: Noise level, Under-Furniture Pickup

Cons: Tool-change simplicity, Crevice / Groove Pickup (Hard Floors)

#6 Dreame X60 Max Ultra
3.9

The liquid/solution system was generally liked for dual detergent and pet solution support, but proprietary solution requirements were a drawback.

Pros: Hair Pickup — Carpets, Large debris handling

Cons: Stuck resistance, Dirty water sensor

#7 Ecovacs Deebot X12 OmniCyclone
3.6

The liquid system is mixed, with PCMag seeing the jet work well on soy sauce after failing to spray jelly.

Pros: Stuck resistance, Assembly and Setup

Cons: Clogging and debris prevention, Suitability for small spaces

#8 Roborock Qrevo S Robot Vacuum
3.5

Liquid control was mixed: water-flow adjustment was praised, but the lack of detergent support was a limitation.

Pros: Versatility, Floor shine after cleaning

Cons: Odor control, Stuck resistance

#9 Dyson Spot+Scrub Ai Robot Vacuum
2.8

The liquid system drew praise for fresh warm water and roller washing, but reviewers criticized missing detergent, built-in tank choices, and the need to buy solution separately.

Pros: Fresh Liquid Pickup Speed, Ongoing ownership costs (bags

Cons: Filtration / Dust Containment, Under-Furniture Pickup

#10 roborock Qrevo Curv 2 Flow Robot Vacuum
2.8

The liquid system was praised for direct tank dosing and fresh-water mopping, but multiple reviewers disliked the lack of automatic detergent dispensing.

Pros: Maneuverability and Handling, Versatility

Cons: Under-Furniture Pickup, Low-profile design

#11 Shark PowerDetect UV Reveal Robot Vacuum
1.5

The liquid system drew a serious negative review because of leakage, saturation, and very wet floors.

Pros: Tool-change simplicity, Versatility

Cons: Value-for-money, Support and Reliability