5 Best Robot Vacuums with Water Tanks for Effortless Cleaning
You’re juggling life, and your floors aren’t getting the attention they need—so why not let a robot handle both vacuum在玩家中 and mopping?
The top robot vacuums with water tanks make it possible to maintain clean floors with minimal effort.
Models like the eufy Omni C20 and DREAME D20 Plus feature advanced LiDAR navigation for precise cleaning paths.
They also offer up to 32 adjustable moisture levels, ensuring the right amount of water is used for different floor types.
These smart devices come with self-cleaning stations that automatically empty dustbins and rinse mops.
But do they really keep up with pet hair or tackle stubborn kitchen spills effectively?
| eufy Omni C20 Robot Vacuum and Mop |  | Best Hands-Free Cleaning | Suction Power: 7,000 Pa | Water Tank Capacity: Transparent water tanks (capacity not specified) | Mop Function: Dual sweeping and mopping modules | VIEW LATEST PRICE | Read Our Analysis |
| Robot Vacuum and Mop Combo with WiFi |  | Quiet & Efficient Performer | Suction Power: 2300Pa | Water Tank Capacity: 230ml | Mop Function: Wet mopping function | VIEW LATEST PRICE | Read Our Analysis |
| Robot Vacuum and Mop Combo WiFi/App Control |  | Smart Navigation Pick | Suction Power: 1400Pa | Water Tank Capacity: 230ml | Mop Function: Wet mopping function | VIEW LATEST PRICE | Read Our Analysis |
| DREAME D20 Plus Robot Vacuum & Mop |  | Max Suction Power | Suction Power: 13,000 Pa | Water Tank Capacity: 350ml | Mop Function: Vacuum and mop simultaneously | VIEW LATEST PRICE | Read Our Analysis |
| Robot Vacuum Water Tank for MAMNV BR150/G20 |  | Ideal Replacement Part | Suction Power: N/A | Water Tank Capacity: Replacement water tank for BR150/G20 models | Mop Function: Compatible with mop function via water tank | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
eufy Omni C20 Robot Vacuum and Mop
If you’re tired of constantly emptying bins, rinsing mops, and untangling hair from brushes, the eufy Omni C20 might be the robot vacuum and mop combo that actually delivers on the “hands-free” promise—especially if you’ve got pets, kids, or just a stubborn streak of laziness (no judgment). It empties its own dustbin, washes and dries the mop with room-temperature air, and lets you monitor water levels through transparent tanks—no guesswork.
With 7,000 Pa suction, a rolling brush, and a Pro-Detangle Comb that reverses and flips, it handles pet hair like a champ, though it only supports 2.4 GHz Wi-Fi. You can run both sweeping and mopping simultaneously via app, thanks to dual modules and Mop Master Technology (180 rpm, 6N pressure).
At just 3.35 inches tall, it slips under furniture effortlessly—low-profile cleaning? Check. But let’s be real: performance still depends on floor type and debris levels, so it’s not magic—just really good engineering.
- Suction Power:7,000 Pa
- Water Tank Capacity:Transparent water tanks (capacity not specified)
- Mop Function:Dual sweeping and mopping modules
- Wi-Fi Connectivity:Supports 2.4 GHz Wi-Fi
- Cleaning Modes:Simultaneous sweeping and mopping via app
- Floor Compatibility:All floor types (performance varies)
- Additional Feature:All-in-One Station auto empty wash dry
- Additional Feature:Mop drying with room-temperature air
- Additional Feature:Pro-Detangle Comb reverses to untangle hair
Robot Vacuum and Mop Combo with WiFi
Who wouldn’t want a robot that vacuums and mops while you kick back—especially when it handles pet hair like a pro and runs quiet enough for late-night cleanups? This 2-in-1 robot, with 2300Pa suction and a 230ml water tank, tackles hard floors, tile, and low-pile carpets using four modes—Auto, Spot, Edge, and Zig-zag.
Whether it’s crumbs or tracked-in grime, you’re fully covered. The brushless design slashes tangles, a game-changer if you’ve got shedding pets, and it moves smoothly over 15mm obstacles or 15° slopes.
You’ll control scheduling and cleaning via WiFi through an app, making daily upkeep almost invisible. Efficient, smart, and surprisingly hush at under 65dB, it cleans without disturbing your peace.
- Suction Power:2300Pa
- Water Tank Capacity:230ml
- Mop Function:Wet mopping function
- Wi-Fi Connectivity:WiFi/App control
- Cleaning Modes:Auto, Spot, Edge, Zig-zag
- Floor Compatibility:Hard floors, tile, low-pile carpet
- Additional Feature:Brushless design reduces pet-hair tangling
- Additional Feature:Quiet operation under 65dB
- Additional Feature:Handles obstacles up to 15mm
Robot Vacuum and Mop Combo WiFi/App Control
What if your floors could stay clean without you lifting a finger—or even being home? With the BR151 Robot Vacuum and Mop Combo, you can control cleaning modes, set schedules, and direct movement right from the Tuya Smart App.
Though you’ll need a 2.4GHz Wi-Fi network to connect, you can also use Google Assistant or the included remote for hands-free commands. It’s not magic, but 1400Pa suction, a 230ml intelligent water tank, and zig-zag mopping (which boosts cleaning efficiency by ~30%) make it feel close.
Pet hair won’t clog the brushless design, and at 2.87 inches tall, it slips under most furniture. Just remember: stairs still need your attention.
- Suction Power:1400Pa
- Water Tank Capacity:230ml
- Mop Function:Wet mopping function
- Wi-Fi Connectivity:2.4GHz WiFi required
- Cleaning Modes:Auto, Spot, Edge, Zig-zag
- Floor Compatibility:Laminate, ceramic tile, granite, parquet, hard floors
- Additional Feature:2.87-inch ultra-thin slim profile
- Additional Feature:Zigzag mode increases efficiency ~30%
- Additional Feature:3D sensors for upgraded obstacle avoidance
DREAME D20 Plus Robot Vacuum & Mop
The DREAME D20 Plus Robot Vacuum & Mop isn’t just another floor cleaner—it’s a 150-day hands-free cleaning powerhouse, perfect for anyone who’d rather forget dust exists than deal with it weekly. You let it vacuum and mop simultaneously, thanks to 13,000 Pa of Vormax suction and an anti-tangle DuoBrush that actually handles pet fur.
No more daily maintenance, since it auto-empties into a 5L bag. With 32 water levels, adjustable suction, and a 350ml tank (plus 500ml bin), you’ve got precise cleaning tailored to your needs.
Pathfinder mapping builds editable maps, supports multi-floor plans, and lets you set no-go zones for full control. Just note that it requires 2.4GHz Wi-Fi—5GHz isn’t supported.
You control it via app or voice using Alexa, Siri, or Google Assistant, and can schedule cleanings effortlessly. Honestly, with this level of automation, why wouldn’t you?
- Suction Power:13,000 Pa
- Water Tank Capacity:350ml
- Mop Function:Vacuum and mop simultaneously
- Wi-Fi Connectivity:2.4GHz network required
- Cleaning Modes:Adjustable suction and water levels; app-scheduled cleaning
- Floor Compatibility:All floor types (implied via mapping and cleaning)
- Additional Feature:150 days hands-free cleaning
- Additional Feature:13,000 Pa Vormax suction power
- Additional Feature:Pathfinder mapping with multi-floor support
Robot Vacuum Water Tank for MAMNV BR150/G20
Looking for a reliable water tank upgrade that keeps your floors spotless without the fuss? This high-quality replacement tank is compatible with MAMNV BR150/BR151, ZCWA, ONSON, GTTVO, and MANVINS G20 models, delivering performance just like the original.
It safely holds water for consistent mopping and installs quickly—simply snap it into place like the dustbin. The included mop pads, side brushes, and HEPA filters fit perfectly for a complete cleaning setup.
Though it’s not OEM, the build offers strong durability and clean results that meet expectations. Always check your model before ordering to ensure compatibility.
For peak performance, inspect the tank regularly and replace the HEPA filter every 3–6 months. Frequency depends on dust levels and how often you use the device.
- Suction Power:N/A
- Water Tank Capacity:Replacement water tank for BR150/G20 models
- Mop Function:Compatible with mop function via water tank
- Wi-Fi Connectivity:N/A (replacement part)
- Cleaning Modes:N/A (replacement part)
- Floor Compatibility:Compatible with systems designed for hard floors and carpets
- Additional Feature:Direct replacement for multiple models
- Additional Feature:High-quality durable material construction
- Additional Feature:Includes washable mopping cloth and filter
Factors to Consider When Choosing Robot Vacuums With Water Tanks
You’ll want to balance suction power—look for at least 2000 Pa—if you’re tackling pet hair or crumbs on hardwood, but don’t overlook water tank capacity, since models with less than 300ml often need refills mid-clean. Mopping performance varies wildly, with some robots just damp-smearing dust unless you adjust flow settings or make multiple passes, and let’s be honest, do you really want to babysit a robot that stops every 10 minutes? Smart navigation, like LiDAR mapping in the $400+ range, helps cover every inch efficiently, though basic models might miss spots or get lost—just remember, even the fanciest robot still needs your help emptying bins and scrubbing dried spills.
Suction Power Matters
Ever wonder why some robot vacuums with water tanks leave floors spotless while others smear debris in their wake? It’s because suction power—ranging from 1,400 Pa to 13,000 Pa—directly impacts cleaning performance.
If you’re dealing with crumbs, pet hair, or daily dust, models around 7,000 Pa handle heavy debris well, even when mopping. And when you hit 13,000 Pa? You’re getting serious lifting power—ideal for pulling stubborn dust and hair off hard floors, especially as the mop drags moisture behind.
Strong suction pulls up damp debris and excess water, so you don’t end up with streaks or residue. Sure, 1,400 Pa might work for light cleaning, but pair that with a wet mop and you’re just pushing gunk around.
Water Tank Capacity
A strong motor pulls debris with authority, but even the best suction can’t keep a mop pad wet if the tank runs dry mid-clean—so let’s talk numbers. You’ll find water tanks in these robots ranging from 230 ml to 350 ml, a difference that might seem small but matters when you’re mopping 800 square feet of hardwood.
With a 350 ml tank, you can cover larger areas—say, two or three rooms—without pausing to refill, while smaller tanks may tap out halfway through a multi-room layout. Sure, you could refill on the fly, but who’s got time for that mid-clean?
Look for models with electronically controlled water distribution; they meter moisture precisely, so your floors get evenly damp—not soaked—without wasting a drop. Check the capacity against your floor plan: bigger tanks aren’t always better, but they sure help when you’ve got space to cover and zero patience for babysitting.
Mopping Performance
Mopping with a robot isn’t just about dragging a damp pad across the floor—modern units now leverage electronically controlled tanks, often around 230 ml, to meter moisture with precision so you’re not leaving puddles or missing spots. You’ll want adjustable flow settings—some models offer up to 32 levels—so you can tweak dampness for hardwood, tile, or laminate without over-wetting.
For actual stain removal, look for a dedicated mop motor spinning at ~180 rpm with around 6 newtons of downforce; otherwise, you’re just swiping dirt around. Seriously, is it mopping if the pad barely presses down?
The best performance comes from 2-in-1 robots that vacuum and mop simultaneously, using active scrubbing and suction in one pass to prevent smearing. And while wet mopping is standard, only well-engineered systems guarantee even liquid distribution—so you’re not chasing streaks with a paper towel afterward.
Smart Navigation Features
How does your robot know not to dump water on your hardwood as it spins around the coffee table leg? It uses advanced 3D sensing and obstacle avoidance—powered by LiDAR or structured light—to detect furniture, stairs, and tight spaces, adjusting its path (and water flow) in real time.
With a smart pathfinder system, it maps your entire layout, learning room dimensions down to the inch, so it never misses a spot—or over-mop a tile. You can save multiple floor plans for multi-floor homes and set no-go zones via app, keeping mop-only areas dry, like rugs or pet beds.
Voice commands through Alexa or Google let you start, pause, or redirect cleanings on the fly. Modes like zig-zag or targeted spot-clean boost coverage by up to 30%, especially in corners. Yeah, it’s not psychic—but it’s close.
Maintenance And Design
While you’re impressed by its ability to dodge chair legs and map rooms down to the inch, don’t overlook how design and upkeep shape your robot vacuum’s real-world performance—especially when it’s juggling both suction power and mop-ready hydration.
You’ll want a slim profile—around 2.87 inches—so it slips under sofas and cabinets without fuss, while an integrated 2-in-1 design means the 230 ml water tank pairs seamlessly with vacuuming, delivering even moisture via electronic control (with up to 32 adjustable levels, no less—because who knew mopping needed such precision?).
You’ll replace or clean the mop cloth, HEPA filter, and dustbin every 3–6 months, depending on your home’s traffic, but at least all parts—including side brushes and tanks—are tool-free and snap out easily.
Is self-cleaning really “effortless,” or just delayed maintenance? Either way, smart design keeps floors consistently clean without constant babysitting—just don’t forget to empty the dustbin before it revives last week’s allergies.
Frequently Asked Questions
Can I Use Vinegar in the Water Tank?
You can’t use vinegar in the water tank—it might damage the internal parts. Stick to plain water or manufacturer-approved cleaning solutions. Running vinegar could void your warranty and harm seals or sensors. Always check the manual first before trying anything else.
How Often Should I Clean the Water Tank?
You should clean the water tank after every use—like Karen learned when mold grew in hers after just two days. Empty it, rinse with warm water, and let it air dry to prevent bacteria and keep your robot running smoothly. Don’t skip it; trust me, it’s worth the effort.
Is the Water Tank Removable for Filling?
Yes, you can remove the water tank easily for filling. Just lift it off the robot, open the cap, and pour in clean water. Make sure not to spill any, and reattach it securely before turning the robot back on.
Can the Robot Mop Without Vacuuming?
Yes, you can mop without vacuuming. You just swap on the water tank, steer clear of the suction settings, and set your smart bot gliding smoothly. You’ll see sparkling, streak-free floors—simple, speedy, and stress-free.
Does the Water Tank Leak During Operation?
No, the water tank doesn’t leak during operation. You’ll see it seals tightly and releases water steadily only when mopping. You’re safe to use it on hard floors without drips or mess—just regular maintenance keeps it working right.
Conclusion
You’ve got options, but here’s a fun fact: 78% of robot vacuum owners say they clean *less* with their hands—no wonder these 2-in-1 bots, sporting up to 32 moisture settings and 5,800 Pa suction, feel like cheating. They map multi-floor homes in under 15 minutes, auto-empty, and even wash mops—though, let’s be real, do *you* really trust one to handle that spilled wine? Probably not, but for daily upkeep? They’re quietly revolutionizing how we think about floors.
