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What Makes a Robot Vacuum Cleaner Best?

The top 5 robot vacuum robot vacuums feature an efficient engine and a durable set of bristles or rollers. They also come with large dustbins and a long battery life.

Certain models employ smart mapping to identify homes, and they can stop, recharge and then clean up right where they started. They can set up no-go zones, and identify different surfaces.

Object Avoidance

Object detection is an essential feature of robot vacuums, because it allows them avoid crashing into small objects such as socks, toys, cords, or shoes that aren't on the floor, but on furniture. These systems use an integrated camera to recognize objects in an AI database, and then instruct the vacuum to stay clear of them. The Eufy S1 Pro, for example, utilizes a mix of sensors including 3D Time of Flight (sending light pulses to measure the distance and depth of nearby objects) and 3D Structured Light (beaming a pattern of lights across the space and analyzing the light distortion to build a map) to efficiently steer clear of obstacles.

Artificial intelligence and visual interpretation are a more recent addition to robot obstacle avoidance. They allow robots to better comprehend and recognize what they come across. The software works with cameras that are either dual or single to view the world around them, and analyzes it in real time. The ECOVACS DEEBOT uses this software to detect up to 30 different kinds of objects such as shoes, cables and pet poop.

Some models utilize LiDAR to navigate. The technology emits lasers and determines the amount of time it takes for them to bounce off surrounding surfaces in order to create a 3-D map. This is useful in detecting walls, furniture and even stairs. However, it may not work in dim lighting or with transparent or reflective objects.

No matter which cameras or sensors are utilized, it is important that your robot has a long battery life so that it can last the duration of an entire home without needing to return to the dock for recharge. Look for an option that runs for at least 80 minutes or more, based on the dimensions of your living space.

Bases that self-empty

Some robot vacuum cleaners come with self-emptying bases, which could reduce the frequency you have to empty your trash. They're considered a premium feature that typically increases the price of a robot.

The most effective robots have bases that can either hold bins or a removable dustbin that you can easily open and empty when it's full. This can help you save time by cutting down on the time you spend worrying about when to empty a dustbin.

Self-emptying bases are present on all the robots we've reviewed in our review, except for the bare-bones Roomba I3+, which doesn't have a self-emptying base. That's a shame, because the robot is an extremely strong performer. It had the best automatic vacuum results in mapping of all the robots we tested and it has great navigating abilities. It also has a good mower power, as well as docking station which can automatically empty the water tank when required.

It doesn't come with iRobot's sophisticated obstacle avoidance system or digital keep-out zones it can get tangled up on rugs and cables and is unable to see the stray socks or shoelaces. It's a great option for a small house that is well-maintained.

Other strengths include its navigation technology that includes bump sensors as well as a drop sensor, and its ability create a map of your entire home with lasers and cameras. It is easy to use, has a range of options and settings that are effective when cleaning or mowing. Another advantage is its smart-home functionality, that allows it to function with voice commands using Amazon Alexa and Google Assistant. This makes it easier to use when you have multiple smartphones or tablets, and don't wish to purchase the traditional remote.

App Controls

Some robots connect to Wi-Fi, allowing users to control them from your tablet or smartphone. This feature is particularly beneficial in large homes with multiple floors, where you may have to navigate through a staircase before the robot can come to the bottom. This removes the need for an extra long cord so you can move furniture without worrying about the robot getting caught in it or running out power when cleaning.

The app serves as central control point to monitor and schedule tasks. The app allows you to alter the power, cleaning mode and the water level of your robotic cleaner. This feature is especially useful in homes with different flooring types -- for example, carpet and tile -- because you can designate the robot to clean each area with the correct power and mode.

Some models come with an inbuilt camera that can send live feeds to the app. These models are ideal for pet owners as well as those with small children who want to keep an eye on the robot as it works. Other smart robots use sensors to determine when they are near the edges of an area and return to their docking station. This prevents them from taking over the space and makes sure that they've cleaned all the surfaces in your home.

Certain models automatically empty the dustbin and blow dry and wash mop heads between cleaning sessions. This helps reduce the need for manual maintenance and helps keep the cleaner in good working order for a longer period of time. You can also choose a model that has an extended battery duration that helps you avoid the hassle of having to recharge mid-cleaning.

Sensors

Many robot vacuums make use of sensors to navigate around your home and work on hard floors like laminate, wood, and tile as also low pile carpets and area rugs. They're not a substitute to a full-size canister or upright cleaner, but they provide excellent suction and are a great way to keep your floor clean between deep cleanings.

Sensors enable the robot to navigate around your home, detecting obstacles, and avoiding falling on stairs. They also let you set virtual and physical "no-go" zones by using a feature called boundary strips or virtual walls (like the ones used by eufy) to stop the robot from entering specific areas of your home. Some robots come with cliff sensors that warn you when your robot is about to fall into the edge of a cliff.

The type of navigation system the robot utilizes will depend on your budget and home layout. The most advanced robotic vacuums make use of LiDAR sensors to scan and map rooms, ensuring accurate and efficient navigation. These systems are costly, but they deliver the most effective results. Models that are budget-friendly with basic navigation bumps are less precise and could miss certain places. These models are effective in avoidance of major obstacles, but they may fail to spot dirt in crevices and around baseboards.

Look for a model with an extra-large dust container and an extended battery life. You can also find models that recharge and then resume the same place they left off after they dock, which can save you time. You can get the most value from your robot vacuum, in addition to navigation by prepping each cleaning session. Check that all power cables or toys, as well as other debris is removed from the robot's path. Then empty the trash bin after each cleaning. Clean the charging port and sensors to ensure that your robot is healthy.

Navigation

The best smart vacuum robot vacuums use mapping technology to create a digital map of your home prior to the initial cleaning session. It assists them in recognizing the different textures, such as hard and carpeted floors and ensures that all areas are cleaned. Mapping also prevents your robot from cleaning the same areas that improves efficiency and can reduce the use of batteries. A lot of high-end models offer the option of saving the map of your house for future use which is a great feature for homes with larger spaces.

The majority of robotic vacuums come with some form of obstacle avoidance that stops them from running into cords, shoes, or socks. These sensors do not always detect smaller objects. In the past few years manufacturers began adding more sensors to their robots, allowing them detect and avoid household objects that standard sensor systems couldn't. These include cliff sensors and wall sensors that operate by reflecting infrared beams of light off surfaces to calculate distances.

Some sensors are built directly into the robot's base, while others need to be purchased separately. These sensors generally help the robot navigate safely and prevent falling down steps and avoid clutter. Certain models also include anti-drop sensors that prevent the robot from crashing into furniture and walls.

LiDAR mapping the most advanced navigation system is a feature that you should look for when buying the robot vacuum. It uses a spinning sensor mounted on the robot to map your home. It can map your home's interior by bounces of infrared rays off the walls and furniture. This information can help it plan efficient paths and also clean your home.