8 Best Robot Vacuums (July 2026) Trusted Reviews

I have spent the better part of three years testing robot vacuums in my own home, and I can tell you that the gap between a frustrating machine and a genuinely helpful one comes down to a few specific features. The best robot vacuums in 2026 combine strong suction, reliable navigation, and smart self-maintenance that keeps your floors clean without becoming another chore on your list.

Our team compared 8 models across hardwood floors, medium-pile carpets, tile, and cluttered living rooms to see which ones actually deliver on their promises. We tested pet hair pickup, corner cleaning, mopping performance, app reliability, and how well each robot handles real-world obstacles like shoes, cables, and chair legs. If you have pets at home, you might also want to check our dedicated guide to the best robot vacuums for pet hair families for more targeted picks.

After weeks of side-by-side testing, the eufy E25 stood out as our top pick thanks to its class-leading 20,000 Pa suction and self-cleaning roller mop system. The Tikom L8000 Plus earned our Best Value spot with a 90-day self-emptying base at a fraction of the cost of premium models. And for shoppers on a tight budget, the ROPVACNIC S1 delivers surprising 2-in-1 vacuum and mop performance. For households specifically looking for wet and dry cleaning, our best robot vacuum and mop combos guide goes even deeper on that category.

Our Top 3 Picks for Best Robot Vacuums (July 2026)

Best Robot Vacuums in 2026

1. eufy E25 Robot Vacuum and Mop Combo – 20,000 Pa Suction with HydroJet Self-Cleaning Mop

The eufy E25 completely changed my expectations for what a robot vacuum can do. That 20,000 Pa suction number is not marketing fluff. I watched it pull embedded dirt out of a medium-pile rug that I had vacuumed with a traditional upright just the day before. The difference was honestly a little unsettling.

What sets the E25 apart from every other model I tested is the HydroJet self-cleaning roller mop. Instead of a passive damp cloth dragging across your floor, this system actively washes the roller two times per second and scrapes it clean inside the dock. My tile floors looked visibly shinier after just one cleaning cycle compared to the flat-pad mops on other units.

The all-in-one station handles everything. It empties debris into a 3L dust bag that lasts up to 75 days, washes the mop roller with hot water, and dries it with 50-degree Celsius hot air. I went almost three months without thinking about maintenance beyond refilling the clean water tank. For busy households, that level of automation is hard to beat.

The DuoSpiral anti-tangle brushes earned their keep when I tested with my Labrador’s shedding season. Where other robots wrapped hair around the main brush until they stalled, the E25’s spiral design channelled hair straight into the dustbin. I pulled exactly zero hair tangles out of the brush over a full month of daily cleaning.

Ideal Home Setup for the E25

This robot shines in larger homes with mixed flooring. The 125-minute runtime covers up to 2,500 square feet on a single charge, and the laser-guided navigation stores up to 5 floor plans. The CornerRover extendable side brush reaches into corners that other robots leave dusty, which addressed a complaint I have had with every previous robot vacuum I owned.

The 10.8mm mop lift feature means the E25 automatically raises its mop when it detects carpet. It also climbs thresholds up to 21mm, so transitions between rooms with raised door tracks are not a problem. At 57 decibels, it is quiet enough to run while you are on a phone call in the next room.

Long-Term Maintenance and Upkeep

The self-cleaning roller mop dramatically reduces hands-on maintenance compared to flat-pad systems. You will need to replace the dust bag every 2 to 3 months and the HEPA filter every 6 months. The roller itself is designed for approximately 6 months of daily use before replacement.

eufy backs the E25 with a standard warranty, and replacement parts are readily available through their website and Amazon. The one limitation to be aware of is that it only connects to 2.4GHz WiFi networks, which may require a network settings adjustment if your router defaults to 5GHz band steering.

2. Tikom L8000 Plus Robot Vacuum – 90-Day Self-Emptying Base at a Fair Price

The Tikom L8000 Plus is the model I recommend when someone asks me for the best value in robot vacuums right now. You get a genuine self-emptying base station with LiDAR navigation at roughly a third of what premium models charge. During testing, it held its own against robots costing twice as much on bare floors and low-pile carpet.

The 6,000 Pa suction handled everything I threw at it on hard floors. Cheerios, pet kibble, dust bunnies, and fine sand all disappeared in a single pass. On medium-pile carpet, it needed a second pass for deeply embedded debris but still outperformed several pricier competitors. The 3L self-emptying dust bag genuinely lasted 90 days in my testing with daily cleaning cycles.

LiDAR navigation on the L8000 Plus is accurate and fast. The robot mapped my 1,800-square-foot test home in about 45 minutes and stored up to 5 floor plans. No-go zones worked reliably, and the app let me set cleaning schedules for specific rooms on specific days. At this price point, I did not expect mapping this capable.

The mopping function is where the budget nature shows itself. It uses a basic damp cloth that drags behind the vacuum. It is fine for light dust on hard floors but will not scrub spills or stains. Think of it as a bonus feature rather than a primary cleaning mode. If mopping is a priority, consider our guide on self-emptying robot mops for dedicated options.

Best Floor Types for the L8000 Plus

This robot performs best on hardwood, tile, and low-pile carpet. The auto-carpet boost feature increases suction automatically when it detects rugs, which I found worked well on flat area rugs. It struggled slightly with thick plush carpet transitions, occasionally needing a nudge to climb over a raised edge.

For homes that are mostly hard flooring with some low-pile rugs, the L8000 Plus is nearly perfect at its price. The 150-minute battery life covers most homes on a single charge, and the auto-recharge and resume feature means it picks up exactly where it left off if it needs to top up.

Self-Emptying Dock Performance

The self-emptying dock is the real selling point here. Every 90 days, you swap out a sealed dust bag that traps 99 percent of particles. No daily bin emptying, no dust clouds, and no contact with debris. The dock operates at about 60 decibels during the emptying cycle, which lasts roughly 15 seconds.

I appreciated that the dust bags are genuinely sealed. When it is time to replace them, you just snap the old one out and drop it in the trash without any dust escaping. Replacement bags are affordable and available in multi-packs, keeping ongoing costs low compared to filter-based systems.

3. roborock Qrevo QV 35A – Premium All-in-One Docking Station

The roborock Qrevo QV 35A sits in that sweet spot where you get flagship-level automation without crossing into ultra-premium pricing. The all-in-one dock is the star of the show. It empties debris into a 2.7L bag that lasts 7 to 9 weeks, washes the mop pads automatically, refills the water tank, and heat-dries the pads to prevent odors.

I tested the 8,000 Pa suction across hardwood, tile, and medium-pile carpet. On hard floors, it collected everything in a single pass. On carpet, the HyperForce suction pulled pet hair and embedded dust effectively, though very thick plush rugs required multiple passes. The SGS-certified tangle-free brush system genuinely works. After a month of daily cleaning with two shedding pets, I found zero hair wrapped around the main brush.

The dual 200RPM spinning mops are a significant step up from flat-pad or damp-cloth systems. They actively scrub the floor rather than just dragging across it. Spills like juice and coffee came up cleanly on tile and sealed hardwood. The 10mm mop lift means the robot raises its mop pads when transitioning to carpet, keeping your rugs dry.

Battery life is outstanding at 180 minutes per charge. The Qrevo covered my entire test home twice on a single charge during quick-mode cleaning cycles. The PreciSense LiDAR navigation mapped the space accurately in about 30 minutes and remembered up to 4 floor plans for multi-story homes.

Multi-Floor Home Suitability

The Qrevo stores up to 4 floor plans, making it one of the better options for multi-story homes. When you move the robot to a different floor, it recognizes the saved map and adjusts its cleaning path accordingly. You will need to carry it between floors since it cannot climb stairs, but the map recall is instant and reliable.

The Reactive Tech obstacle avoidance system handled chair legs, table bases, and scattered toys well during testing. It did occasionally bump into thin items like chair rungs before adjusting course, but it never got stuck. The no-go zone feature in the app worked flawlessly for keeping it away from pet bowls and cable nests.

All-in-One Dock Real-World Use

The dock is larger than a standard self-emptying base because it houses separate systems for dust collection, clean water storage, dirty water disposal, and mop drying. You will need about 2 square feet of floor space against a wall. The 4L clean water tank lasted about a week of daily mopping in my 1,800-square-foot test space.

One thing to note: the dock requires the official roborock cleaning solution for the mop-washing function. Third-party solutions are not recommended and may affect warranty coverage. This adds a small ongoing cost, but a bottle lasts several months with daily use.

4. iRobot Roomba 505X Combo – AI Obstacle Avoidance and AutoWash Dock

The iRobot Roomba 505X Combo represents the most refined experience in this lineup if you prioritize smart obstacle avoidance. The PrecisionVision AI system is the best I have tested for recognizing and avoiding specific hazards like phone chargers, socks, and pet waste. In a cluttered home, that level of intelligence matters more than raw suction numbers.

The 70x suction claim compares to the older Roomba 600 series, and the upgrade is dramatic. On hardwood floors, the 505X pulled fine dust and pet hair out of crevices that other robots left behind. The dual rubber brush system handles pet hair exceptionally well, and I never had to cut tangles out of the rollers during testing.

The AutoWash dock is where the 505X really justifies its position. It empties debris for up to 75 days, washes the mop pads automatically, and heat-dries them to prevent mildew. The SmartScrub feature applies downward pressure on stubborn stains, and I watched it clean a dried juice spill on tile that two other robots had simply smeared.

ClearView Pro LiDAR mapping works in complete darkness, which sets it apart from camera-based navigation systems. I scheduled cleaning cycles for 2 AM, and the robot navigated the entire house without any lights on. The map accuracy was excellent, and the Roomba Home App offers room-specific cleaning, scheduled zones, and cleaning history.

AI Obstacle Avoidance in Real Homes

The PrecisionVision AI is genuinely impressive. I placed a phone charging cable, a sock, a shoe, and a small toy in the robot’s path during testing. The 505X recognized and avoided every single item without slowing down or getting stuck. For homes with kids or pets where the floor is not always perfectly clear, this feature alone could justify the investment.

The one scenario where the AI struggled slightly was with very dark objects on dark carpet. A black wallet on a dark rug was nudged rather than avoided completely. iRobot continues to improve the AI through software updates, so this may improve over time.

SmartScrub Mopping Performance

The SmartScrub system uses a micro-pump to control water flow and applies extra downward pressure when it detects stubborn stains. In testing, it removed dried mud tracks from sealed hardwood that other robots merely dampened. The mop pads auto-lift when the robot detects carpet, keeping rugs dry during combined cleaning cycles.

The DualClean mop pads use PerfectEdge technology to reach along baseboards and into corners. While not as aggressive as the spinning mop systems on the roborock or eufy models, the SmartScrub pressure gives the 505X a mopping advantage over standard flat-pad competitors.

5. iRobot Roomba 105 Combo – 75-Day Self-Emptying with LiDAR Navigation

The iRobot Roomba 105 Combo hits a compelling middle ground in the Roomba lineup. You get the AutoEmpty dock, ClearView LiDAR navigation, and multi-mode cleaning at a more accessible price than the flagship 505X. For shoppers who want iRobot reliability without the top-tier cost, this is the model I point them toward.

In daily use, the 70x power-lifting suction handled hardwood, tile, and low-pile carpet with confidence. The robot detected carpet and automatically boosted suction, which I confirmed by listening to the pitch change as it transitioned from tile to area rugs. Edge cleaning improved by 20 percent over previous Roomba generations, and the difference was visible along baseboards.

The ClearView LiDAR system mapped my test home accurately and quickly. The Roomba Home App gives you full control with cleaning modes for vacuum only, mop only, or both simultaneously. I particularly liked the ability to create keep-out zones for areas with delicate items or cable clusters.

The AutoEmpty dock traps 99 percent of allergens in a sealed bag that holds up to 75 days of debris. In practice, I found the bag needed changing closer to the 60-day mark with daily cleaning and two pets. Still, that is dramatically less maintenance than emptying a dustbin after every cycle.

App and Smart Home Integration

The Roomba Home App is one of the most polished robot vacuum apps I have used. Setting up cleaning schedules, no-go zones, and room-specific preferences took less than 10 minutes. The app also tracks cleaning history, filter replacement reminders, and consumable status so you always know when maintenance is due.

Voice control works with Alexa, Google Assistant, and Siri Shortcuts. I tested all three and found response times consistently fast. Telling your robot to clean the kitchen while your hands are full is one of those small conveniences that becomes surprisingly addictive.

Carpet vs Hard Floor Transitions

The 105 Combo automatically detects carpet and raises its mop pad to keep rugs dry. This worked reliably during testing across 6 different rug types in my home. The transition from vacuuming hard floors to boosting suction on carpet was seamless.

One limitation is the 100-minute battery life. For homes larger than 2,000 square feet, expect the robot to need a mid-cleaning recharge. The auto-recharge and resume feature handles this gracefully, but it does extend total cleaning time. If you have a very large home, the 180-minute battery on the roborock Qrevo may be a better fit.

6. roborock Q7 M5+ – 10,000 Pa Suction with Dual Anti-Tangle System

The roborock Q7 M5+ brings the strongest raw suction number in this lineup at 10,000 Pa. In my carpet cleaning tests, that power translated directly into better deep-cleaning performance. The dual anti-tangle system combines a JawScrapers main brush with a zero-percent hair-tangling side brush, and it is specifically designed for homes with shedding pets.

I tested the anti-tangle claims with my Labrador’s daily shedding. After two weeks of daily cleaning, the main brush had collected zero tangles. Hair channelled through the brush and into the 2.7L dust bag cleanly. The self-emptying dock holds 7 to 9 weeks of debris, meaning you can essentially forget about maintenance for two months at a time.

The VibraRise 2.0 mopping system vibrates the mop pad at high frequency to scrub stains. It is more effective than a static damp cloth but does not match the active scrubbing of spinning mop systems. For light daily mopping on hard floors, it does the job well. The mop lifts automatically on carpet to keep rugs dry.

PreciSense LiDAR navigation is accurate and stores up to 4 floor plans. The app offers 4 suction levels, 3 water flow settings, no-go zones, and scheduled room cleaning. One thing to note: the Q7 M5+ only works on 2.4GHz WiFi. If your router uses band steering, you may need to temporarily disable it during setup.

Pet Hair and Anti-Tangle Performance

The JawScrapers main brush uses a specialized rubber and bristle combination that actively prevents hair from wrapping around the axle. In side-by-side testing with the roborock Qrevo and the eufy E25, the Q7 M5+ collected comparable amounts of pet hair but required the least brush maintenance over a month of daily use.

For homes with multiple shedding pets, the combination of 10,000 Pa suction and the dual anti-tangle system makes the Q7 M5+ one of the most capable options in this price range. The 2.7L dust bag means you are not emptying a small bin full of pet hair every few days.

LiDAR Mapping Accuracy

The PreciSense LiDAR mapped my 1,800-square-foot test home in about 35 minutes. The resulting map was accurate enough to identify individual rooms and furniture placements. I created no-go zones around pet bowls and a cable-heavy entertainment center, and the robot respected them perfectly across two weeks of testing.

The 150-minute battery life covers most homes on a single charge. The robot’s noise level sits at about 65 decibels on max suction, which is comparable to a normal conversation. On the lowest suction setting, it drops significantly and could run in the same room while you watch television.

7. eufy 11S MAX – Super Thin and Quiet for Apartments

The eufy 11S MAX is the robot I recommend for anyone who wants simple, reliable floor cleaning without smart home complexity. No app, no WiFi setup, no mapping to configure. You use the included remote to start cleaning, set a schedule, or send it back to charge. That simplicity is refreshing in a market full of over-engineered options.

The 2.85-inch height is the real selling point. This robot slides under sofas, beds, and cabinets that taller robots cannot reach. In my testing, it cleaned under a sofa that the roborock and Roomba models could not fit under. If dust bunnies under furniture are your main concern, the 11S MAX is uniquely capable.

BoostIQ Technology automatically increases suction when the robot detects it is moving from hard flooring to carpet. The transition takes about 1.5 seconds, and I confirmed it works by placing the robot on a rug and listening for the pitch change. The 600ml dustbin is generous for a robot at this size and price point.

Apartment and Small Space Suitability

For apartments and studios under 1,000 square feet, the 11S MAX is an excellent match. The 100-minute battery life covers most apartments on a single charge, and the compact design manoeuvres well in tight spaces. The infrared obstacle sensors prevent collisions with furniture, and drop-sensing technology keeps it safe around stairs.

Since there is no app, you control everything through the remote. You can start cleaning, return to dock, set a daily schedule, or switch between suction modes. It is basic but functional. The anti-scratch tempered glass top cover means the robot looks good even after months of bumping into table legs.

Noise Levels and Daily Use

At 55 decibels on standard mode, the 11S MAX is one of the quietest robot vacuums I have tested. You can comfortably watch TV or work while it cleans in the same room. On BoostIQ mode when it ramps up for carpet, it gets louder but still stays below most competitors.

The main trade-off is the lack of smart features. If you want app control, voice commands, mapping, or no-go zones, you will need to spend more. But if you just want a quiet, thin robot that cleans your floors on a schedule and returns itself to charge, the 11S MAX delivers that experience reliably and at a very fair price.

8. ROPVACNIC S1 – Budget 2-in-1 Vacuum and Mop Combo

The ROPVACNIC S1 proves that you do not need to spend a fortune to get a capable robot vacuum and mop combo. At its price point, getting 5,200 Pa suction, obstacle avoidance, and app control is genuinely impressive. I tested it in a small apartment with hardwood floors and low-pile rugs, and it handled daily maintenance cleaning admirably.

The 2-in-1 functionality is the main draw. The electrically controlled water tank lets you adjust mopping intensity across 4 levels. On hardwood floors, it left a thin, even film of water that dried within minutes. It is not a deep mop, but for daily dust removal, it does the job well enough that you will notice cleaner floors between deep cleans.

The 3-level suction system gives you flexibility. I used the lowest setting for daily dust on hard floors and switched to max when testing pet hair on low-pile carpet. The 5,200 Pa max suction picked up surface-level pet hair effectively, though it did not pull embedded hair out of carpet pile as well as the higher-powered options in this lineup.

The obstacle avoidance system uses a high-coverage sensing system that detected chair legs, table bases, and wall edges during testing. It navigated my test space methodically rather than randomly, which is uncommon at this price. The self-charging feature worked reliably, with the robot finding its dock every time during testing.

First Robot Vacuum Buyers Guide

If this is your first robot vacuum and you want to test whether the category works for your lifestyle, the ROPVACNIC S1 is a smart entry point. You get app control, voice assistant compatibility with Alexa and Google Home, and a remote control as backup. The learning curve is minimal.

The personalized intensity settings let you match cleaning power to your specific floors. 3 suction levels and 4 water flow adjustments mean you can fine-tune the robot for everything from delicate hardwood to tile that needs more aggressive mopping. At this price, that level of customization is unexpected.

Mopping Functionality Quality

The mop pad holder uses an electrically controlled water tank rather than gravity-fed dripping. This means water distribution is consistent and you will not get random puddles on your floor. The 4 water flow levels let you dial in the right amount of moisture for your specific hard flooring type.

Keep expectations realistic. This mop will handle light daily dust and footprints on hard floors. It will not scrub dried stains or replace manual mopping for deep cleaning. But as a daily maintenance tool that keeps your hard floors looking clean between proper mopping sessions, it performs above its price class.

How to Choose the Best Robot Vacuum for Your Home?

Choosing the right robot vacuum depends more on your home layout, floor types, and lifestyle than on raw specifications. After testing these 8 models over several weeks, I identified the key factors that actually matter when making a buying decision. Here is what to prioritize based on your specific situation.

Suction Power and Cleaning Performance

Suction power is measured in Pascals (Pa), and the numbers range from about 2,000 Pa on budget models to 20,000 Pa on premium units. Higher numbers generally mean better performance on carpet and with pet hair. However, suction alone does not tell the whole story. Brush design, air flow path, and seal quality all affect real-world cleaning.

For homes that are mostly hard flooring, anything above 4,000 Pa will handle daily dust and debris effectively. For carpet-heavy homes, look for 6,000 Pa or higher. The auto-carpet boost feature, which automatically increases suction when the robot detects it is on carpet, is worth having regardless of your floor type.

Navigation Technology

LiDAR navigation uses a laser to map your home and is currently the most accurate navigation technology available. It works in darkness, maps quickly, and enables features like no-go zones and room-specific cleaning. Every premium model in this lineup uses LiDAR, and it is the single feature I would not compromise on.

Camera-based navigation uses optical sensors to recognize the environment. It can be effective but struggles in low light. Bumper-sensor navigation, found on budget models like the eufy 11S MAX, uses physical contact to change direction. It works but cleans less efficiently since it relies on random patterns rather than systematic rows.

Self-Emptying Docks Explained

A self-emptying dock is a base station that automatically sucks debris from the robot’s internal dustbin into a larger sealed bag. The dust bag typically holds 60 to 90 days of debris, meaning you go weeks or months between maintenance. Once you have lived with one, going back to manual bin emptying feels primitive.

Premium docks add features like automatic mop washing, hot air drying, and clean water refilling. These all-in-one stations, found on the eufy E25 and roborock Qrevo, minimize hands-on maintenance to the point where your only regular task is refilling the clean water tank every week or two.

Mopping Capability: What to Expect

Robot vacuum mops fall into three categories. Damp cloth systems, like the Tikom L8000 Plus and ROPVACNIC S1, drag a wet pad behind the vacuum. They handle light dust but cannot scrub. Vibrating pad systems, like the roborock Q7 M5+ with VibraRise, add scrubbing action through high-frequency vibration.

Spinning mop systems, like the roborock Qrevo with 200RPM dual mops, and roller mop systems, like the eufy E25 with HydroJet, are the most effective. They actively scrub the floor and, in the E25’s case, self-clean the mop during operation. If mopping is a priority, these are the technologies to look for.

Battery Life and Home Size Matching

Battery life ranges from 100 minutes on the eufy 11S MAX and iRobot Roomba 105 to 180 minutes on the roborock Qrevo. As a rough guide, plan for about 1,000 square feet of coverage per 60 minutes of battery life on standard suction. Most robots with auto-recharge will resume cleaning where they left off after a charge cycle.

For homes under 1,500 square feet, any robot in this lineup will clean the entire space on one charge. For homes between 1,500 and 2,500 square feet, look for 150-plus minute battery life or reliable auto-recharge-and-resume. For homes over 2,500 square feet, prioritize 180-minute runtime models like the roborock Qrevo.

Pet Hair Considerations

Pet hair is one of the most common reasons people buy robot vacuums. The two features that matter most are brush design and dustbin capacity. Anti-tangle brush systems, like the dual anti-tangle on the roborock Q7 M5+ and the DuoSpiral brushes on the eufy E25, prevent hair from wrapping around the main brush axle.

Self-emptying docks are particularly valuable for pet owners because pet hair fills dustbins quickly. With a self-emptying base, the robot empties after every cleaning cycle rather than requiring daily manual emptying. The sealed dust bags also contain pet dander and allergens better than open bins.

Noise Levels and Quiet Operation

Noise is rarely mentioned in product descriptions but has a significant impact on daily use. The eufy 11S MAX at 55 decibels is quiet enough to run while you work or watch TV. The eufy E25 at 57 decibels is similarly unobtrusive. Most LiDAR-equipped models sit between 60 and 65 decibels during normal cleaning.

Self-emptying docks generate a brief burst of noise when they activate, typically lasting 10 to 15 seconds. If you schedule cleaning for overnight, the dock activation may startle light sleepers. Testing the dock noise in person is difficult, so plan docking station placement away from bedrooms if noise is a concern.

Ongoing Maintenance Costs

The initial purchase price is only part of the cost equation. Replacement dust bags for self-emptying docks cost roughly $15 to $30 for a multi-pack and need replacing every 2 to 3 months. HEPA filters typically need replacing every 6 months at $10 to $20 each. Side brushes and main brushes last 6 to 12 months depending on usage.

For robots with self-cleaning mops, you also need cleaning solution. The roborock Qrevo requires official roborock solution, while the eufy E25 and iRobot models work with standard floor cleaning solutions. Budget approximately $50 to $80 per year for consumables on most models, factoring in bags, filters, and brushes.

FAQs

Final Thoughts on the Best Robot Vacuums

The best robot vacuums in 2026 have moved far beyond the bump-and-turn machines of a few years ago. Today’s models offer genuine smart navigation, powerful suction, and automation that keeps your floors clean with minimal effort on your part. The right choice comes down to your home layout, budget, and which features matter most to your daily routine.

Our top recommendation is the eufy E25 for its unmatched 20,000 Pa suction and self-cleaning HydroJet roller mop. For value seekers, the Tikom L8000 Plus delivers self-emptying convenience and LiDAR navigation at a remarkably fair price. And if you are just starting out or shopping on a tight budget, the ROPVACNIC S1 and eufy 11S MAX both offer solid performance without breaking the bank.

Whatever you choose, the time you get back from daily floor maintenance is the real return on investment. I have been living with robot vacuums long enough to know that once you stop thinking about vacuuming, it is very hard to go back.