Best 2023 Vacuums for Water tank

#2 Dreame L20 Ultra Robot Vacuum and Mop
4.6

Water tank feedback was broadly positive, with large tank capacity supporting long stretches of cleaning and hands-off use.

Pros: Overall durability/longevity, Surface safety with attachments

Cons: Ongoing ownership costs (bags, filters

#3 Roborock Q8 Max+ Robot Vacuum and Mop
4.4

The water tank was viewed positively for its relatively large size and ability to cover a meaningful area before running low.

Pros: Packaging quality, Innovation compared to competitors

Cons: Mop lifting system, Self-cleaning cycle

#4 Roomba Combo j9+ Robot Vacuum & Mop
4.4

The water tank system drew praise for automatic refilling and automation, but one reviewer found the reservoir awkward to refill.

Pros: Pet-Ready Features, Tool-change simplicity

Cons: Stair Cleaning, Build quality and durability

#5 LG CordZero A937 Cordless Stick Vacuum
4.2

The mop water controls were viewed as useful enough for choosing water output, but evidence was limited to basic water-level use.

Pros: Hard Floor — Fine Dust Pickup, Innovation compared to competitors

Cons: Support and Reliability, Odor control

#6 Tineco Floor ONE S7 PRO Cordless Wet Dry Vacuum
4.1

Water-tank evidence is mixed: dirty-tank capacity is praised, but clean-water capacity can be limiting in smaller-home repeated cleaning.

Pros: Hair Pickup — Hard Floors, Hard Floor — Fine Dust Pickup

Cons: Area Rug Handling, Dirty water sensor

#7 Roborock S8 Pro Ultra Robot Vacuum and Mop
3.9

The water tanks were mostly praised for capacity and ease, though the robot’s onboard tank and mop were criticized as non-removable.

Pros: Ease of use, Overall cleaning convenience

Cons: Scratch resistance, Fresh Liquid Pickup Speed

#8 eufy X8 Pro Robot Vacuum
3.3

Water-system feedback was mixed: reviewers liked suitable capacity or easy access, but mopping effectiveness still depended on a simple damp pad.

Pros: Packaging quality, Dual motors

Cons: Stair Cleaning, Odor control

#9 Roborock S8 + Robot Vacuum
3.3

The 300ml tank is adequate for many apartments and covered nearly 1,000 square feet in one test, but larger homes may run it dry. Short runs may also benefit from...

Pros: Tool-change simplicity, Aesthetic design and finish

Cons: Stair Cleaning, Crevice / Groove Pickup (Hard Floors)

#10 BISSELL Revolution HydroSteam Carpet Cleaner
3.0

Water-tank feedback is mixed: some liked the flip-top/easy handling, while others complained about frequent refills and dirty-tank emptying.

Pros: Pet-Ready Features, Tool-change simplicity

Cons: Cord length, Airflow blowback

#11 iRobot Roomba Combo i5 Robot Vacuum
3.0

Water tank feedback was modest, with one reviewer saying the tank system was not huge.

Pros: Hair‑Wrap / Tangle Resistance, Overall durability/longevity

Cons: Mop lifting system, Cord management

#12 Shark CarpetXpert Upright Carpet, Area Rug & Upholstery Cleaner
3.0

Tank feedback was mixed to negative: some reviewers found the smaller tank manageable, while others complained about frequent refills, low capacity, or added weight when full.

Pros: Pet-Ready Features, Clogging and debris prevention

Cons: Wool carpet compatibility, Noise level

#13 iRobot Roomba J5+ Combo Vacuum & Mop
2.9

Water tank feedback is mixed to negative: reviewers called it small, noted leaks or seepage, and wished for better level feedback.

Pros: Pet-Ready Features, Ease of use

Cons: Self-cleaning cycle, Dock noise

#14 Dyson V15s Detect Submarine Wet Dry Vacuum
2.7

Water tank feedback was mixed to negative: reviewers liked the reach of the small tank in some rooms, but repeatedly called the reservoirs small or spill-prone.

Pros: Support and Reliability, Headlight and LED lights

Cons: Dirty water sensor, Steam Cleaning

#15 Roomba i5+ Combo Robot Vacuum and Mop
2.5

The water tank was judged limited in one review because the reviewer described the tank system as not huge.

Pros: Assembly and Setup, Overall cleaning convenience

Cons: Odor control, Obstacle Avoidance (Robot)

#16 Roborock Q5 Pro + Robot Vacuum and Mop
2.4

The water tank was a recurring limitation, with reviewers noting limited coverage and rapid depletion after one pass.

Pros: Crevice / Groove Pickup (Hard Floors), Edge and Baseboard Cleaning (Hard Floors)

Cons: Mop lifting system, Obstacle Avoidance (Robot)

#17 Eureka e10s Robot Vacuum
1.8

The water tank was criticized as too small for larger mopping jobs.

Pros: Pet-Ready Features, Build quality and durability

Cons: Self-cleaning cycle, Streaking / Residue