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Best Robot Vacuum: Buyer’s Guide

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When iRobot released their Roomba in 2002, it was an immediate and unprecedented success. This set off a wave of innovation and invention that has only heated up more recently. There are now over a dozen companies worldwide producing robot vacuums. With each new generation of vacuums, small improvements have been made to battery life, navigation, object avoidance and overall cleaning power. While we are still quite far from a Rosie robot like many of us dreamed about thanks to The Jetsons, that day is perhaps not as far off as some might believe.

Our robot vacuum buyer’s guide should be a boon to anyone hoping to hop into the robot vacuum marketplace. And, needless say, there are a lot of options to choose from. But as with all new technologies, some of the products on the market are excellent examples of modern engineering, while others are horrendously embarrassing for everyone involved. We’re here to help you sift through all of the technical mumbo jumbo in order to figure out which robot vacuum best suits your needs.

TypeRobot NameShapeAgitator Brush TypeWet/Dry mopCleaning patternBattery Life
Budget Robot Vacuums
(Under $300)
Chuwi ILIFE A4RoundTraditionalNoneRandom120 minutes
bObsweep PetHairRoundTraditionalWetMapped75 minutes
Moneual Rydis H68 ProRoundComboBothMapped60 minutes
Ecovacs Deebot D35RoundBrushlessNoneRandom90 minutes
Mid-Range Robot Vacuums
($300-$500)
Neato Botvac D80SquaredComboNoneMapped120 minutes
iRobot Roomba 650RoundComboNoneMethodic45-60 minutes
iClebo ArteRoundTraditionalWetMapped120-150 minutes
Ecovacs Deebot DM85RoundComboWetRandom120 minutes
High-End Robot Vacuums
($500+)
iRobot Roomba 980RoundBladeNoneMapped120 minutes
Neato Botvac ConnectedSquaredComboNoneMapped60-120 minutes
Samsung POWERbot VR9000SquaredComboNoneMapped100 Minutes

Robot Vacuums: Individual Reviews

Here you will find short reviews on some the most well-known, and many lesser-known, robot vacuums. We only provide a shorter version of our analyses here on the buyer’s guide. For a deeper dive into the specs, features and positives and negatives of each vacuum, be sure to click on the links to the more thorough reviews.

Budget Robot Vacuums (Under $300)

Chuwi ILIFE A4

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Pros
  • Cleans well
  • Extremely long battery life
  • Very inexpensive
Cons
  • Unimpressive design
  • Cheap construction
  • Inefficient cleaning modes

The Chuwi ILIFE A4 provides a high level of cleaning power for the price. The device uses an a very standard level of cleaning functions, including dual side brushes and a traditional central brush. This device uses a random cleaning pattern, but comes with a relatively long 2-hour battery life, which can be extended to around 180 minutes with lighter cleaning duties. The Chuwi ILIFE A4 uses a mixture of sensors and bumpers to navigate itself around obstacles. Overall, the biggest draw to this device is its powerful motor and long battery life. Although it struggles to get around some areas such as rug tassels and small wires, it is simple to use and overall inexpensive. Read the full Chuwi ILIFE A4 review.

bObsweep Pethair

bObsweep Pethair
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Pros
  • Extremely large number of accessories
  • Fun controller
  • Works on all surfaces
Cons
  • Has trouble with dark surfaces
  • Short battery life
  • Long charge time
  • Cheap construction

Getting straight to the point, bObsweep is one of the quirkiest robot vacuum companies around. Unfortunately, character does not make a robot vacuum effective. The bObsweep PetHair has some distinct advantages, and is very usable in some cases. However, it has severe limitations in other areas. The short battery life is one of the most unfortunate aspects of this robot vacuum. Indeed, the battery life is so poor, there is some question as to what bObsweep was thinking during the product testing. On the positive end, this is one of the most enjoyable robot vacuums you can use, especially because of the remote control. The large number of accessories also distinguish this device from its competitors. We gave this device a 3.3 out of 5, which is ultimately a fairly solid score for the vacuum. We’ve provided a more detailed review on this device. You can find it here on our bObsweep PetHair Review page.

Moneual Rydis H68 Pro

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Pros
  • Effective wet mop
  • Fairly inexpensive
  • Replaceable battery
Cons
  • Poor battery life
  • Difficulty finding base
  • Misses corners and baseboards
  • Leaves dirt behind often

The Moneual Rydis H68 Pro looks and feels like a robot vacuum that should be fully functional and effective. However, serious design flaws limit this robot’s ability to clean effectively. This robot is marked by poor cleaning functionality, mediocre object avoidance, extremely poor battery life and very limited and almost non-existent accessories. While the device is on the low-end of the price range for robot vacuums, we’ve rated it a 2.1/5 overall due to the severe limitations in its ability to do the primary role one should expect from a robot vacuum. For a deeper dive into the details for this robot vacuum, including an explanation on how it fares in all 7 categories we assessed, check out the longer Moneual Rydis H68 Pro Review.

Ecovacs Deebot D35

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Pros
  • Low profile
  • Decent battery life
  • Will not suck up cords or tassels
  • Extremely inexpensive
  • Sleek design
Cons
  • Gets stuck far too easily
  • Few features
  • Lack of accessories
  • Wholly random cleaning pattern
  • Misses large areas
  • Overall lack of sensor technology

Ecovacs cannot be faulted for their attempts at making friendly, inexpensive robot vacuums. Therein lies the problem, however. Effective robot vacuums need to be more powerful, with more features and technology than Ecovacs is generally willing to invest. This leads the Ecovacs Deebot D35 into the dark zone. As Ecovacs typically does not include high-quality parts on their machine, it struggles to clean properly. The only really positives of this device are that it’s very cheap with a good battery life. As such, it’s a fairly decent robot vacuum for those who are just getting their feet wet in the robot vacuum market, and would like something inexpensive to give it a try. We gave the Deebot D35 a 3 out of 5, which for this robot vacuum is more than acceptable. The lack of higher quality technology would have improved the score, but also raised the price. For more details on what this robot vacuum does well, check out our fleshed-out Ecovacs Deebot D35 Review.

Mid-Range Robot Vacuums ($300-$500)

iRobot Roomba 650

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Pros
  • Powerful cleaning
  • Efficient cleaning pattern
  • Wide array of accessories
Cons
  • Limited features
  • Comparatively pricey
  • Poor battery life

As the lowest-end robot vacuum from iRobot, the Roomba 650 has a lot to offer, while still coming short on quite a few areas. iRobot packs this device with its core basics, including dual brushes, a standard, high-quality motor and a limited suite of sensors to help the robot avoid objects and clean effectively. However, it does not include any mapping technology, and is extremely lacking when it comes to offering any advanced features. The battery life can be a bit lacking as well at only 45-60 minutes to charge, which is reasonable for some jobs, but can result in other rooms taking multiple times to clean. On a positive end, iRobot has started to increase the number of accessories you can purchase with their devices. This means the iRobot Roomba 650 can be highly accessorized and fixed up. Aside from the motor dying, this is likely to be a robot that will last you a good, long time before you need to find a replacement. We gave this device a 3.14/5. You can find our longer, more detailed review on this device on our iRobot Roomba 650 Review page.

Neato Botvac D80

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Pros
  • Good battery life
  • Extra powerful suction power
  • Works on all surfaces
  • Unique design good for getting into corners and close to walls.
Cons
  • Tendency to get stuck on chair legs
  • Sucks up rug tassels
  • Hair can get stuck inside the bearings
  • Long charge time
  • Struggles to avoid some larger objects

All of Neato’s robot vacuums follow very similar designs. The only differences you’ll find among their products are in the technology they include and the features. The Neato Botvac D80/D85 is a step down from the Botvac connected. The only real thing missing between the two devices is a lack of wireless connectivity and a partner application. This also means that the primary issues with the Botvac D80 are the same as what you’ll find with the Botvac Connected: long charging times, tendency to get stuck, issues with hair in the brush. The battery life continues to be a draw for the Botvac, and the physical design can easily be stressed as a benefit. The price is also in a good spot for this device, making it a good alternative for the Botvac Connected. We gave this device a 4.07, among the highest we’ve rated. We suggest looking into the details further on our Neato Botvac D80 Review page. There you’ll a deeper explanation of the positives and the negatives.

iClebo Arte

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Pros
  • Loaded with high tech features
  • Good aesthetic appeal
  • Replaceable battery
  • Quiet
  • Good battery life
Cons
  • Poor suction strength
  • Fails to get walls and corners
  • Leaves too much material behind

A high-end contender with some rather noticeable faults, the iClebo Arte is a good robot vacuum for those willing to spend a good bit of money on extra features and good battery life. iClebo makes a wide range of robot vacuums. The Arte is one of their more expensive ones, justifying the cost by including many state-of-the-art features that are difficult to find on other robot vacuums. The failings on this robot vacuum unfortunately reside in the area that is most important: cleaning ability. The iClebo Arte has all of the right trimmings, but lacks the powerful suction ability to make it a true cleaning machine. It gets a 3.14/5 from us, mostly due to the failings of its cleaning power. For a more thorough analysis of this robot across all 7 categories that we analyzed, check out our larger iClebo Arte Review.

Ecovacs Deebot DM85

DM85_3QTR-Front
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Pros
  • Lightweight
  • Functional remote control
  • Great with walls
  • Good object avoidance
  • Excellent battery life
Cons
  • Useless wet mop
  • Struggles to return to its base
  • Price a bit too high for overall value

Ecovacs presents rather respectable robot vacuums into the marketplace, with equally respectable features and functionality. Their Deebot DM85 is among their highest priced robot vacuums, although admittedly not their best. Despite its lightweight features and excellent battery life, this robot vacuum has several issues that limit its usefulness. The included wet mop, which is highly touted by Ecovacs, and adds to the product’s price, is effectively useless in doing more than adding a wet layer to the floor. Most importantly, this bot is known to have issues returning to its base. These issues effectively complicate the automation factor that buyers expect from their robot vacuums. Given those issues, the price is a bit high. We gave this vacuum an overall rating of 3.14/5 due to those significant limitations. There were some good aspects to the device that might make it a worthy purchase, however. For more details, check out our longer Ecovacs Deebot DM85 Review page.

High-End Robot Vacuums ($500+)

iRobot Roomba 980

iRobot Roomba 980
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Pros
  • Loaded with high tech features
  • Extremely powerful cleaning functionality
  • Automatic adjustment between carpet and hardwood
  • Smart sensors
Cons
  • Few accessories
  • Pricey replacement parts
  • Pricey overall

The Roomba 980 from iRobot mostly lives up to the iRobot name. As the company that single-handedly popularized the robot vacuum, there are some expectations any potential buyer should have. First, that the robot works as intended. Second, that the price is as premium as the device. For the Roomba 980, both of these are stunningly true. Although we rated the Roomba 980 a mere 3.71/5, this rating is a bit misleading. The two areas where the robot failed the most were related to accessories and cost. The Roomba 980 is feature-rich, cleans exceptionally well, and has more technology than you can shake a side whisker at. But Roomba is capitalizing on its position within the industry as a name brand leader. This device is priced higher than it would be if a company with no name had the same exact features and functionality. This is not too surprising, but should be a consideration for those looking for something more cost-effective. We give more details on what this robot can do, as well as its limitations, in our longer iRobot Roomba 980 Review.

Neato Botvac Connected

homepage-connected
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Pros
  • Great battery life
  • Extra powerful suction power
  • Wi-fi connection
  • Unique design good for getting into corners and close to walls
Cons
  • Tendency to get stuck on chairs and cords
  • Long charging time
  • No automatic adjustment between Eco and Turbo modes
  • Pricey for the features

Perhaps the biggest competitor to industry leader iRobot, Neato creates a unique robot vacuum within their Botvac line. The Botvac Connected is currently their most expensive cleaning device. It comes with a rather impressive array of technology and even more impressive functionality. The Botvac Connected it highlighted by its wireless connectivity and the available application that allows users to remotely control a lot of the features on the bot. The app also provides a data on the bot’s cleaning pattern, schedule and any push notifications when things go wrong. The biggest issues you’ll find with this robot vacuum are its tendency toward getting stuck (a consequence of the shape) and the price. Still, this robot vacuum hit a solid 4/5 average rating. For a more detailed analysis of this highly desirable robot vacuum, check out our in-depth Neato Botvac Connected Review.

Samsung POWERbot VR9000

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Pros
  • Extremely strong suction
  • Fun and effective remote control
  • Large capacity dust bin
  • Good battery life
  • Great object avoidance
Cons
  • Overpriced
  • Struggles getting onto some carpeted areas and rugs
  • Misses dirt and dust near walls and in corners
  • Extremely loud without the quiet mode

Technology powerhouse Samsung entered the robot vacuum market hard and fast. Out of the gate they came into the market with the full force of their international research and development team behind them. The POWERbot VR9000 is fully representative of what we can expect from Samsung: Loads of high-tech features at a very high price. Samsung’s robot vacuum has the chops, that we can attest to. The suction strength on this robot vacuum is among the best you’ll see — perhaps the best. Its battery life is solid, and its cleaning ability more than capable. However, it is not without its faults, some of which are surprising. This includes the fact that the bot has difficulty climbing small ridges, and does not get into corners and walls as well as the design might indicate. We gave this bot a 3.8/5, primarily for the price. However, it earned this because of several other areas of weakness. You can find out more details on this robot vacuum on our thorough Samsung POWERbot VR9000 Review.

Robot Vacuum Buyer’s Guide

With such a large number of robot cleaners available on the market, it’s easy to get lost in the numerous features that each one might have. However, there are certain technologies and features that future buyers should be aware of before diving in. Some of these features come standard in almost every robot vacuum. Others are tacked on as bonuses, or as methods of trying to make the product more useful, efficient, and ultimately more attractive to buyers. What you’re looking for will depend on what you’re willing to pay, as well as what is actually useful to you.

It’s best to keep in mind that no robot vacuum comes with everything on this list, although some of the highest-cost models from the top brand names may come close. It’s best to keep in mind, however, that you may not need everything in order to get the best benefit out of your robot vacuum, and that simply having all of the latest bells and whistles does not make a robot vacuum effective. For evidence of this, check out our individual reviews of different robot vacuums. This should help you sift through the details better as well.

Avoidance Technology

One of the primary features in all robot vacuums is known as “avoidance technology”. This is a combination of sensors all over the robot’s body that help it to avoid different obstacles. At a bare minimum, a robot vacuum will, and should, include these two avoidance technologies:

  • Cliff Sensors
  • Bumpers

Every robot vacuum maker includes cliff sensors as a standard practice now. These sensors, which are placed on the underbelly of the bot, are located near the front and sometimes back end of the machine. The cliff sensor is usually an optical sensor that determines height — similar to the optical laser sensor on a digital mouse. The sensor will determine how far the robot is from the nearest surface. If the robot is about to go over a cliff (example: stairs), it flips a switch or impacts the software and causes the robot to reverse immediately. Most robot vacuums have a cliff sensor tuned to within a few inches. This allows the machine to still go over small bumps, but avoids disastrous falls down stairs.

Bumpers are often included on the front side of a robot vacuum that allow it to recognize when it has hit an object. Usually padded, this lets the robot know it needs to move in another direction. The bumper sensors are mechanical, activating only when the machine has physically run into something. These are also some of the cheapest types of sensor to include on robot vacuum. The most effective bumper sensors are combined with mapping technology.

There are additional kinds of sensors you may find on a robot vacuum beyond these. This includes other infrared sensors that help determine what objects in the room that should be avoided, and digital and infrared cameras that take actual images and photographs of the room for the same purposes. Some very high-end robots may even use ultrasonic frequency technology to map rooms and avoid objects.

Mapping Technology

Joined with the avoidance technology on robot vacuums is the mapping technology. It is important to note that while all robot vacuums have avoidance technology, not all robot vacuums include mapping technology. There are significant benefits to purchasing a vacuum with mapping technology, including:

  • Increased cleaning efficiency
  • Better object avoidance
  • More advanced cleaning patterns

Mapping technology is typically a combination between hardware and software. The hardware used to map the room is often the same as that which is used for object avoidance. Joined with software that creates a digital map of each room, the robot vacuum will remember the room’s layout and create regular cleaning patterns. If a room’s layout changes, the maps are updating or renewed for continued efficiency. Note, however, that robots with mapping technology often come at a higher price.

There are two, primary methods for mapping technology used in robot vacuums:

  • Laser mapping
  • Digital cameras (visual mapping)

There are differences between how these two forms of mapping technology work, and with their overall effectiveness. Laser mapping, while effective in most cases, has an issue with shadows. It can also give false indications of obstacles, and is not always entirely accurate regarding the size of objects in the room, or distance from those objects. Viewed on a screen, one may see why. The presentation shows that the image created is not entirely clean.

Digital cameras offer an advantage in that they give real-life positioning for the robot. The newest, and perhaps best, mapping technology using visual means is known as VSLAM, or Visual Simultaneous Localization and Mapping. The benefit of this is that the robot can keep track of where it is, while also mapping out new terrain, using real, digital imagery. This allows the robot to avoid objects much better, remember where it has been much better, and clean much faster and more efficiently. Robots that use digital visual mapping are more expensive purchases.

Cleaning Features

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The second most important feature of a robot vacuum is its ability to clean. We call this the second most important, given that a robot vacuum needs to be able to move around effectively without destroying itself first and foremost. After that, a robot vacuum is measured on how effectively it can actually clean.

This is also the area that most robot vacuum companies pour the majority of their features and their money. It is also the aspect of robot vacuums that receives the most attention during marketing campaigns, as it is the function most consumers are likely to care about. Here you will find all of the tiny details regarding what can and does go into robot vacuums.

The most common cleaning features on a robot vacuum include, but are not limited to, the following:

Traditional brushes (bristle): Most robot vacuums will include a brush that is very similar in design to what you will find with a traditional vacuum. That is, a central dowel with plastic or nylon hairs inserted into it that help sweep up dust, dirt and other loose materials into the receiving basin. Most lower end robot vacuums will utilize a traditional brush style.

Bladed brush: Bladed brushes shirk the traditional bristle design, which mimics a regular broom in place of angled rows of rubber “blades”. These blades are usually designed to help clean up pet hair, which commonly gets stuck within bristle brushes, but will not stick inside of blade brushes by design.

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Combination brush: A combination brush combines the rubber bladed design with traditional bristle design. This design is meant to bring in the best of both worlds, as the common bristle design is much better at sweeping in smaller dirt and dust particles.

Brushless design: Although rare, the brushless design works on an interesting principal. Essentially operating like a suction hose attachment on a regular vacuum, robot vacuums with this design include no main brush. The suction area is comprised of a small hole. Typically, these designs will include side whiskers to help move material in toward the hole, which is usually centrally located. The primary flaw of this design is that it does not work well on rugs or carpets, as it lacks the agitation of a main brush.

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Brush location: The location of the primary brush is easily overlooked. However, where this brush is located can make a difference in the overall effectiveness of the robot vacuum. There are three potential locations for the primary brush: the front, the middle or the back. The most common location on the majority of robot vacuums front area placement. Frequently, you may find the brush and suction area in the center of the machine. On very rare occasions, robot vacuum designers have placed the brush on the back.

The key flaw to placing the brush directly center or in the back is the fact that the machine will roll over a significant amount of material before anything gets to the brush. Problems arise in which dust and other material will collect on the underside, and will need cleaning after a time. On some occasions, this has caused the dust and other materials to actually block sensors located on the bottom. This can lead to a malfunction in operation.

Suction Strength: If a robot vacuum company is downplaying its vacuum’s suction strength, the likely reason is that the suction strength is poor. Suction strength can be determined by the strength of the motor and the design of the air chamber and fan. These can influence how strong of a suction is created. Many of the lower-end robot vacuums will use smaller, low-powered and cheaper motors. Low-powered motors tend to be passable on hard surfaces, but mostly ineffective or poorly effective on carpets and rugs where stronger suction is needed. They will also have issues getting dirt and other materials in one pass, and will need to make multiple passes before everything is collected. Meanwhile, stronger suction robot vacuums will be noticeably louder and may be overly disruptive. The higher-end robot vacuums have several strength settings, letting you change how strong the motor is pulling in air.

Dry/Wet mop functions: Many robot vacuums include what is known as a “dry mop”. This is typically a cloth attachment on the back of the machine (or front/center for machines with a central of back suction area). Often a microfiber cloth, the purpose is to sweep up extra loose dirt and dust that the suction misses. Some include a “wet mop”, a moistened version of the dry mop that is intended to help clean the area more thoroughly. In essence, this treats the robot vacuum like a Swiffer.

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Unfortunately, no robot vacuum maker has created a robot vacuum where the wet mop is entirely useful. The reason for this is the lack of applied pressure. In order for a wet mop to be effective, downward force must be applied. In today’s market, no robot vacuum that includes a wet mop also has the ability to apply this downward force to the wet mop area. This may change in the near future. However, if you are considering a robot vacuum that is touting its wet mop feature, take this advertisement lightly.

Storage bin: All vacuums need a location to store material that is sucked into the machine. All robot vacuums are bagless, and typically include a detachable storage bin. Because robot vacuums are bagless, they will usually include a filter (often a HEPA filter) for catching very fine dirt particles on the exhaust section. Some robot vacuums have a reusable filter. Others do not. If you are not looking for a machine that needs new filters ordered every so often, invest in one with a reusable filter.

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Side brushes/whiskers/dust brushes: The side brushes, also known as “whiskers” on a robot vacuum, are a relatively new invention. However, they have become standard on almost all robot vacuums due to their effectiveness. These additions often sit on the front side of a robot vacuum, and spin inward toward the center of the machine. They extend outward toward the side and front, with the purpose of pushing dirt and loose material into the machine’s brush area. Additionally, the side whiskers help robot vacuums overcome a severe limitation: Getting close to baseboards and walls. This has always been an issue with regular vacuums, which overcome this with attachments. However, robot vacuums must overcome this issue without added attachments. Side whiskers were the solution and have proven mostly effective.

Connectivity

One of the interesting updates to robot vacuums is the inclusion of wireless connectivity. Many high-end robot vacuums will include their own phone or tablet applications that can connect mobile devices directly to the robot vacuum through an internet connection. This allows for a range of mobile connectivity solutions, including scheduling, monitoring, push notifications and even remote control. Although rare, it is realistically possible to get a live video feed from some robot vacuums that include digital cameras for navigational purposes.

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Many other robot vacuums include a very basic radio frequency connection. These robots will come with a simple remote control and several buttons for stopping, starting, and scheduling. Many users go for this option to avoid having to constantly get up and down to move the robot around. Robots that allow for limited remote control also add a certain fun factor to the mix, while also allowing the user to take control when the robot’s programming can’t seem to overcome certain obstacles. The remote control function also helps for when the cleaning pattern fails to effectively clean an area.

Vacuum Shape

The size and the shape of a robot vacuum can have a significant impact on how effectively that robot can clean. There are several factors to consider when choosing a robot vacuum based on its size and shape.

Round robots. This design is the most common, popularized by the industry-leading maker, iRobot. iRobot’s Roomba vacuum was not the first robot vacuum on the market, but proved to be the most commercially viable one. Most other companies entering the market followed suit on this design scheme. Round robots benefit from being able to get around areas well, and with the inclusion of bumper sensors, can avoid making too many hard impacts to furniture. They are extremely limited, however, in their ability to get to corners and walls. Without the aid of side whiskers, their physical shape makes getting to walls and corners a physical impossibility.

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Squared robots. The squared robot design is very uncommon, but extremely effective. This design is more closely associated with Neato Robotics and their Botvac. This design makes getting into corners and close to walls easy for the robot. The inclusion of side whiskers means that squared robot vacuums can get within millimeters of baseboards and into corners in ways round robots cannot. The limitation on these bots is that the squared design is more likely to get stuck between chair legs.

Charging and Auto-Return

One of the primary selling points for the Roomba was its ability to return to its base on its own. This feature alone is what helped make the robot vacuum a hot-ticket item. Currently, this is a standard for robot vacuums. Ones that do not include this feature typically will not sell, for good reason. The auto-return feature on a robot vacuum is often achieved through a radio frequency signal. The robot will locate its base with this signal, and guide itself back to the base when the battery begins to lose power. The percentage battery power that triggers this function depends on the robot. However, it is typically somewhere between 5-15%. The base should always be located somewhere unobstructed by other objects, and not influenced by other radio signals that would cause interference with the vacuum’s ability to locate its base.

The range which a vacuum can locate its base varies. Some robot vacuums have a range that is only a 5-foot radius outside of the base. Others can locate their base at much wider areas. Some higher end robot vacuums will include features that allow the vacuum to locate the base from any location. Typically, the bots will slowly back onto the base and onto the charger. Most are designed to finish the cleaning task they were assigned after the charging cycle is complete, and will go through a charge-clean-charge process until the cleaning task is done.

Battery Power

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Battery power on a robot vacuum is extremely important. How much power your robot vacuum consumes to get the job done can be very limiting. Despite advances in battery technology, the reality is that robot vacuums are extremely power-hungry. Most average anywhere between 1 hour to 1.5 hours per charge. While this may sound like a lot of time for a traditional vacuum, a robot vacuum typically operates much slower than a human operator, and often much less efficiently. Likewise, most robot vacuums have limited suction power in order to avoid using up battery too quickly.

The best robot vacuums on the market can manage 2 hours of battery life. Buyers will be hard-pressed to find a robot vacuum that can manage over 2 hours. Those that can often sacrifice cleaning power to achieve this. This is a sacrifice many buyers are unwilling to make, especially if their house or apartment is carpeted or contains numerous rugs, where stronger suction is necessary for better results.

Accessories

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The amount, and type of accessories vary by robot vacuum. In most cases, the accessories available for a vacuum are primarily replacement parts, such as spare batteries, filters and side whiskers. Some robot vacuums also include barriers that will prevent the robot vacuum from entering certain areas.

Barriers will come in two forms: Barrier strips and light barriers. Barrier strips sit on the ground and prevent the vacuum from driving over them. When the vacuum hits the strips, it triggers the cliff sensor. This will force the vacuum to reverse direction and avoid going over the strip. It is simple, cheap and effective. Light barriers are uncommon, but effective. This are placed in a doorway, and send a light signal straight across. The robot vacuum’s navigational sensors will “see” the light barrier and will not cross into the room or area guarded by the barrier.

Most companies that sell accessories sell only replacement filters and side whiskers. A small handful sell batteries. Based on our research, only one company, bObsweep, sells almost every single piece of technology in the robot vacuum except the motherboard. This makes the bObsweep a tinkerer’s dream. Most other robot vacuum companies are extremely protective of their equipment and technology.

If you’re looking for more buyer’s guides check out bestseekers.com

Robot Vacuum Infographic

Robot Vacuum Infographic

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