Compare Ecovacs Deebot N30 Robot Vacuum and Mop vs Roborock S8 MaxV Ultra Robot Vacuum and Mop

P1 Ecovacs Deebot N30 Robot Vacuum and Mop
P2 Roborock S8 MaxV Ultra Robot Vacuum and Mop

Comparison Takeaways

Ecovacs Deebot N30 Robot Vacuum and Mop

Where It Has the Edge

  • Hair‑Wrap / Tangle Resistance is 4.6 vs 3.0. Hair and tangle control is consistently strong, with ZeroTangle-style brush design keeping the main roller noticeably clean even...
  • Price and Value is 4.4 vs 3.1. Across reviews, value is a standout: you get an auto-empty, self-washing dock plus strong cleaning for mid-range money,...
  • Hard Floor — Fine Dust Pickup is 4.4 vs 4.1. Fine dust pickup on hard floors is strong, with good results on flour, litter, and daily debris. Best...
  • Battery and Charging is 4.4 vs 4.1. Battery life is strong for its class, with long runtimes on lower power and enough capacity for larger...

Roborock S8 MaxV Ultra Robot Vacuum and Mop

Where It Has the Edge

  • Accessories and Tools is 4.2 vs 3.2. Included extras such as spare bags, guides, and small tools are considered adequate and helpful for getting started...
  • Software-update support / feature longevity is 4.1 vs 3.4. Software support appears active (frequent app features, integrations, and ongoing updates discussed), but smart-home ecosystems can lag behind...
  • Stuck resistance is 4.5 vs 3.9. Stuck events are uncommon in most accounts, with the robot often able to ride over cords/thresholds without fully...
  • Hair Pickup — Carpets is 4.5 vs 4.0. On carpets, hair pickup is frequently rated highly in comparative testing (especially for pet hair), though performance can...
Average score
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.1
Product 2: Roborock S8 MaxV Ultra Robot...
4.3
Accessories and Tools
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.2

In-box extras are limited in several reviews, with few or no spare bags, pads, side brushes, filters, or detergent included. Many recommend ordering consumables early if you plan to mop frequently.

Product 2: Roborock S8 MaxV Ultra Robot...
4.2

Included extras such as spare bags, guides, and small tools are considered adequate and helpful for getting started and maintaining the dock/robot.

Adaptive chassis lift
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

The chassis and wheel design can handle modest thresholds and some taller rugs better than many bots, improving room-to-room coverage. Extremely tall steps remain out of scope and require manual moves.

Product 2: Roborock S8 MaxV Ultra Robot...
No score yet
Aesthetic design and finish
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.3

The robot and dock are generally seen as minimalist and easy to blend in, with some reviewers appreciating a refreshed dock look versus older boxy designs. Aesthetics are rarely a deciding factor compared with performance and app behavior.

Product 2: Roborock S8 MaxV Ultra Robot...
4.7

Design and finish are frequently praised as premium-looking, with a cleaner, more integrated dock aesthetic than some predecessors.

AI, Smart, App and Automation
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.0

App controls are feature-rich with room/zone cleaning, schedules, and scenario presets, but software polish is mixed. Some users report firmware/update friction, time zone or DST quirks, and spot-clean behavior that is less reliable than custom-area runs.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Automation features are deep: strong scheduling, per-room customization, routines, smart remopping options, and solid voice-assistant integrations-though most advanced controls live in the Roborock app rather than third-party platforms.

Area Rug Handling
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.6

Rug handling is usually fine for normal rugs, but thick throw rugs and tassels can cause issues such as pushing, flipping, or being treated as debris. No-go zones or folding tassels back are common workarounds.

Product 2: Roborock S8 MaxV Ultra Robot...
No score yet
Assembly and Setup
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

Setup is generally straightforward: minimal assembly, app pairing, and quick first mapping runs. A few users mention accidental child-lock activation or firmware updates that delay first use.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Setup is repeatedly described as easy: mostly assembled, quick app pairing via QR code, and fast initial mapping/quick-map routines.

Battery and Charging
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

Battery life is strong for its class, with long runtimes on lower power and enough capacity for larger floor plans on mixed vac+mop. Full recharges can take several hours, but real-world endurance reduces the need to top up often.

Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Battery life is competitive for a flagship, with measured runtimes around the low-100-minute range in some testing and efficient recharge-and-resume behavior.

Bin and Bag
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.1

Dust handling is solid with an internal bin feeding a disposable dock bag, and clogging during auto-empty is rarely reported. Bag capacity is a mild complaint for heavy-debris homes because it can fill faster than larger docks.

Product 2: Roborock S8 MaxV Ultra Robot...
4.4

The dock's disposable bag system is viewed as convenient and low-mess, but a few tests noted residual debris remaining in the robot bin after auto-empty on some runs.

Build quality and durability
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.5

Build quality impressions are positive, with the robot and dock feeling robust for the price segment. Most concerns center on software or documentation rather than hardware fragility.

Product 2: Roborock S8 MaxV Ultra Robot...
4.7

Build quality impressions are strong, with multiple reviews describing solid materials and a well-engineered dock-and-robot system.

Carpet — High-Pile Pickup
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.7

High-pile and very thick carpets are a tougher fit, with mop lift height sometimes insufficient to prevent contact. The robot can traverse some taller rugs/thresholds, but deep cleaning on shag can lag.

Product 2: Roborock S8 MaxV Ultra Robot...
No score yet
Carpet — Low-Pile Pickup
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.1

Low-pile carpet pickup is generally good, especially on higher suction and with two passes. Performance is strongest on surface debris and pet hair rather than deeply embedded grit.

Product 2: Roborock S8 MaxV Ultra Robot...
No score yet
Carpet — Medium-Pile Pickup
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.9

Medium-pile carpet results are mixed: many users see respectable cleaning, while lab-style tests show embedded dirt and tangled hair can remain visible after a run. Two-pass cleans improve outcomes but may not fully match top competitors.

Product 2: Roborock S8 MaxV Ultra Robot...
4.4

Carpet pickup is a consistent bright spot (including some standout results on larger debris), though performance can vary by test medium (e.g., fine sand) and carpet type.

Child lock
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.0

Child lock exists and can be accidentally enabled during setup, but it is easy to undo once discovered. Most reviewers treat it as a minor learning-curve item rather than a blocker.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Child lock is available (often via a long-press on a button) and is presented as a practical safety feature for homes with kids or curious pets.

Controls and UI
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.0

Controls are primarily app-driven, with onboard buttons for start/return/spot-type actions. Some users miss more convenient dock buttons or note that certain functions are easier via the app than physical controls.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Physical controls are straightforward and the in-app controls are robust; the built-in voice assistant can be handy but tends to require exact phrasing.

Corner Cleaning (Robot)
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.4

Corner cleaning improves with the extending side brush and edge mop, and several sources call it better than prior generations, though not perfect in every tight-space scenario.

Debris illumination
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.1

An LED/fill light helps the front camera see in low light for object detection, though video quality and night performance are not always praised.

Docking and Auto-Empty Reliability (Robot)
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.3

Dock automation is broadly reliable: auto-emptying, mop washing, and hot-air drying keep day-to-day maintenance low. A few scenarios mention docking sensitivity on very thick/shag rugs or that dock actions are the loudest part of operation.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Auto-empty and docking are largely reliable and highly valued for hands-off cleaning; however, a few measurements found residual debris left in the robot bin after emptying, so settings and debris type matter.

Dock noise
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.8

Noise during cleaning is typically comfortable, while dock emptying and wash/dry cycles are the noisiest moments. Most owners still consider it acceptable for daytime or overnight runs.

Product 2: Roborock S8 MaxV Ultra Robot...
3.6

Dock noise is the main acoustic drawback: mop drying and certain dock cycles are described as noticeable, even if the robot itself is only moderately loud.

Dried-On Stain Removal
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.8

For dried-on stains, results range from very good on lighter dried spills to mediocre on tougher marks like ketchup, wine, or baked-on grime. Many reviews suggest vacuum-first, higher water flow, and extra passes for the best outcome.

Product 2: Roborock S8 MaxV Ultra Robot...
No score yet
Ease of use
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

Day-to-day use is easy thanks to schedules, scenarios, and hands-off dock routines. Weak points are mainly app quirks and the need to pre-tidy cords or manage problem rugs.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Day-to-day usability is widely praised: intuitive app flows, quick actions (room/zone/routines), and reliable dock automation reduce the need for babysitting.

Edge and Baseboard Cleaning (Hard Floors)
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.3

Edge and baseboard cleaning is a highlight when TruEdge is enabled, cleaning closer to walls and around furniture legs than typical dual-pad bots. Some tests still saw minor smearing on wet spills or residue near edges.

Product 2: Roborock S8 MaxV Ultra Robot...
4.2

Edge and baseboard coverage improves via the edge mop and extending side brush, but results vary by mess type; some tests noted sticky residue or incomplete corner cleanup in tight spaces.

Edge‑Following Accuracy (Robot)
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.5

Edge-following and path control are methodical, often hugging room contours and furniture closely. A few users note corner misses can happen depending on room geometry and settings.

Product 2: Roborock S8 MaxV Ultra Robot...
4.4

Edge-following behavior is typically accurate and consistent, supporting good wall-hugging coverage and reliable baseboard passes in most reports.

Emptying and Mess Control
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.5

Auto-emptying keeps mess control high and reduces daily bin emptying, especially in pet homes. A few reviewers note large-debris scatter can leave some pieces outside reach, requiring occasional manual pickup.

Product 2: Roborock S8 MaxV Ultra Robot...
4.3

Emptying is generally clean and convenient thanks to sealed bags, but a few reviewers observed leftover debris in the robot bin after auto-empty or the need for higher emptying settings.

Filter-change indicator
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.4

The app's consumable tracking for filters/brushes is useful and helps plan upkeep, with reminders tied to estimated wear life rather than a simple calendar.

Filtration / Dust Containment
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.6

Dust containment is aided by sealed disposable bags and hands-off emptying, which reviewers with dust sensitivity appreciated compared with manual bin dumping.

Floor Drying Time
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.7

Floor drying time is often described as fast, helped by controlled water use and hot-air pad drying. Some users report floors drying in minutes in open spaces, though this depends on flow settings and room conditions.

Product 2: Roborock S8 MaxV Ultra Robot...
4.4

Heated drying is considered effective for preventing musty mop smells, but several reviewers note the drying noise is noticeable during its multi-hour cycle.

Hair Pickup — Carpets
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.0

Hair pickup on carpets is strong for surface hair, especially with the anti-tangle brush design. Some tests still note that deep hair in thicker carpet fibers can require extra passes.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

On carpets, hair pickup is frequently rated highly in comparative testing (especially for pet hair), though performance can depend on hair length and brush maintenance.

Hair Pickup — Hard Floors
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.5

Hair pickup on hard floors is consistently strong, with pet hair and longer strands collected efficiently. The anti-tangle system reduces mid-run maintenance.

Product 2: Roborock S8 MaxV Ultra Robot...
No score yet
Hair‑Wrap / Tangle Resistance
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.6

Hair and tangle control is consistently strong, with ZeroTangle-style brush design keeping the main roller noticeably clean even with long hair and pets. A minority note carpet-deep hair can still be harder to fully extract on thicker piles.

Product 2: Roborock S8 MaxV Ultra Robot...
3.0

Hair-wrap resistance is mixed: dual rollers and scrapers help with routine hair, but at least one torture-test showed severe long-hair tangling that can stop the robot.

Hard Floor — Fine Dust Pickup
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

Fine dust pickup on hard floors is strong, with good results on flour, litter, and daily debris. Best outcomes often come from vacuum-first then mop, rather than simultaneous vac+mop in very dirty zones.

Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Fine dust pickup on hard floors is good but not class-leading in all lab tests, and some debris can be scattered outward by the long side brush depending on settings and room layout.

Hard Floor — Large Debris Intake
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.7

Large debris intake is good overall, but multiple tests mention some scatter or fling of cereal/rice on hard floors from the brush. On carpets, scatter is reduced and pickup rates improve.

Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Large debris intake on hard floors is generally strong, but side-brush fling can reduce efficiency and leave grains spread around in worst-case tests.

Maintenance requirements
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.2

Maintenance is low thanks to auto-empty and mop wash/dry, but you still need to clean the tray occasionally and manage dirty water. Limited included spares mean some owners plan ahead for bags, pads, and filters.

Product 2: Roborock S8 MaxV Ultra Robot...
4.4

Maintenance is reduced by the dock, app reminders, and washable components, but owners still need periodic tank changes, bag replacements, and occasional brush/hair cleanup.

Map and Path Efficiency (Robot Vacuums)
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.2

Mapping and pathing are usually fast and accurate for multiple floors, with strong room-merge/split tools. A recurring nit is aggressive room subdivision or fiddly fine-tuning on a phone screen.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Mapping and pathing are widely praised: fast map creation, reliable localization, and strong support for no-go zones and room-level routines.

Mop lifting system
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.1

Mop lifting helps the robot transition between hard floors and carpets in one routine, but lift height has limits on plush rugs. For homes with lots of thick carpet, dedicated vacuum-first routines or no-mop zones work better.

Product 2: Roborock S8 MaxV Ultra Robot...
4.6

Mop lift is a major strength: multiple reviews cite high lift height that keeps carpets dry and allows confident vac-and-mop runs in mixed-floor homes.

Mopping performance
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.2

Mopping is generally effective for everyday grime, with good edge coverage thanks to the extending pad/arm. Multiple reviewers say tough, dried stains can take extra passes and some rivals scrub harder at the same price.

Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Mopping is generally strong for a pad-based system (hot-water washing, vibration, and smart re-mopping help), but some comparison tests still place it behind the very best spinning/roller-style moppers on heavy stains.

Noise level
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.3

In-run noise is frequently called quiet, with higher suction audible but not disruptive. The biggest spikes happen at the dock during auto-empty or maintenance cycles.

Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Noise is generally described as reasonable for a flagship, with some sources noting mid-to-high suction is noticeable; dock drying/maintenance sounds can be more intrusive than the robot itself.

Obstacle Avoidance (Robot)
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.8

Obstacle avoidance is decent for the price tier, but not flagship-level around cords and very small hazards. Several reviewers recommend basic pre-tidying for cables, and there are edge cases near the dock where avoidance can be less consistent.

Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Obstacle avoidance ranges from excellent (avoiding pet waste and many objects) to inconsistent in some lab tests where it tried to run over smaller toys; performance appears sensitive to object type and firmware/settings.

Odor control
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.3

Hot-air pad drying and regular dock hygiene help control damp smells, and some testers report no odors even when dirty water was left for short periods. Long-term odor risk still depends on how quickly you empty dirty water and clean the tray.

Product 2: Roborock S8 MaxV Ultra Robot...
4.3

Hot-water washing and hot-air drying help keep odors down, but reviewers warn that letting dirty water sit too long can create a sewage-like smell common to this category.

Ongoing ownership costs (bags, filters, batteries)
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.8

Ongoing costs include disposable dust bags and replaceable filters/pads, and some reviewers call out the lack of included spares. Budgeting for consumables is sensible if you run daily cleans.

Product 2: Roborock S8 MaxV Ultra Robot...
3.8

Ongoing costs are mainly bags and filters; reviewers generally see them as manageable for a premium system, but they add to the already high upfront price.

Overall opinion
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Overall sentiment is positive to mixed: many call it a top-tier, low-touch flagship, while a few tests argue its performance tradeoffs and price make it harder to recommend universally.

Packaging quality
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

Packaging is frequently described as secure and well organized, with most parts pre-installed and protected for shipping. Setup steps are typically limited to snapping on a brush/ramp and plugging in the dock.

Product 2: Roborock S8 MaxV Ultra Robot...
4.3

Packaging is generally described as substantial and protective, reflecting the large dock and accessory set.

Pet-Ready Features
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.5

Pet owners are a core target: strong suction, solid edge cleaning, and excellent anti-tangle behavior suit fur and litter. The main limitation is that thick carpet and very messy floors can still benefit from an occasional manual deep clean.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Pet-focused coverage is a strength: multiple reviewers cite effective pet hair pickup and solid pet-waste avoidance features, though real-world reliability varies with room clutter and obstacle type.

Price and Value
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

Across reviews, value is a standout: you get an auto-empty, self-washing dock plus strong cleaning for mid-range money, especially when discounted. Several reviewers still note fierce competition at similar prices, particularly on mopping toughness.

Product 2: Roborock S8 MaxV Ultra Robot...
3.1

Value is the biggest sticking point: several reviewers call it expensive for the performance delta, while others argue the automation and convenience justify the flagship price if you will use the dock features.

Privacy controls
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.3

Privacy controls are a recurring theme: on-device processing is emphasized by some, while others note optional obstacle photos/remote viewing require explicit enablement, passwords, and audible announcements during viewing.

Scratch resistance
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Scratch concerns seem improved versus some older models; at least one reviewer reported no obvious scratching during use.

Self-cleaning cycle
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.4

Self-cleaning behavior is a major convenience: reviewers highlight mop washing plus hot-air drying that reduces mildew smells and hands-on pad cleaning. Washing water temperature is a point of disagreement across sources, but drying effectiveness is consistently praised.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

The dock does more than empty and wash: multiple reviews mention self-cleaning elements and hot-water mop washing that reduce hands-on cleanup, though periodic manual cleaning is still needed.

Software-update support / feature longevity
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.4

Software and feature longevity looks promising, but experiences are mixed due to update friction in some reviews. Faster, more reliable firmware delivery would improve confidence for long-term ownership.

Product 2: Roborock S8 MaxV Ultra Robot...
4.1

Software support appears active (frequent app features, integrations, and ongoing updates discussed), but smart-home ecosystems can lag behind the Roborock app in capability.

Solution / Liquid system
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.4

The dedicated detergent/solution system is a standout convenience feature, automatically portioning cleaner and helping reduce odors and maintenance hassle.

Streaking / Residue
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.7

Streaking or residue is generally low on routine cleans, but some tests report smearing on wet spillages or slight stickiness after heavy mopping. A follow-up pass after pad washing usually improves the finish.

Product 2: Roborock S8 MaxV Ultra Robot...
No score yet
Stuck resistance
Product 1: Ecovacs Deebot N30 Robot Vacuum...
3.9

Stuck resistance is generally good, with the robot recovering from minor traps and handling uneven floors. Edge cases include pedestal chair bases, thick rugs, or snaggy floor clutter that benefit from no-go zones.

Product 2: Roborock S8 MaxV Ultra Robot...
4.5

Stuck events are uncommon in most accounts, with the robot often able to ride over cords/thresholds without fully halting, though hair tangles can stop cleaning in worst-case scenarios.

Suction and Airflow
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.5

Suction is repeatedly praised at the 10,000Pa class, with strong pickup on hard floors and solid carpet results for the segment. A few tests note scattered large debris on hard floors that may require a second pass.

Product 2: Roborock S8 MaxV Ultra Robot...
4.4

Reviews consistently highlight strong suction (often cited as 10,000Pa) and above-average carpet results, though one lab-style test found it did not dominate fine sand and some hard-floor debris can get pushed around by the side brush.

Under-Furniture Pickup
Product 1: Ecovacs Deebot N30 Robot Vacuum...
No score yet
Product 2: Roborock S8 MaxV Ultra Robot...
4.3

Under-furniture reach benefits from the extending side brush and slimmer edge access, helping capture debris along toe-kicks and under some appliances.

Water tank
Product 1: Ecovacs Deebot N30 Robot Vacuum...
4.3

Water tanks on the dock are easy to access and support regular mopping, but you still need to refill clean water and dump dirty water. Some guidance suggests emptying dirty water after each mop run to prevent odor buildup.

Product 2: Roborock S8 MaxV Ultra Robot...
4.4

Clean/dirty tank capacity and usage rate are viewed as competitive; some comparisons suggest it can go longer between water changes than many rivals, though frequency still depends on home size and mopping schedule.