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What Makes a Robot Vacuum Cleaner Best?

The top robot vacuums come with an efficient engine and a sturdy set of bristles or rollers. They also have decently sized dustbins and large battery life.

Certain models employ smart vacuum mapping to identify homes, and they can stop, recharge and then resume cleaning right where they started. They can even create no-go zones and recognize different surfaces.

Object Avoidance

Object detection is a crucial feature for robot vacuums because it helps them avoid getting into small objects like shoes, socks or toys that aren't in the floor but on furniture or other things. These systems use an inbuilt camera to detect objects that are in an AI database, and then teach the vacuum to avoid them. The Eufy S1 Pro, for example, utilizes a mix of sensors that include 3D Time of Flight (sending light pulses to measure the distance and depth of surrounding objects) and 3D Structured Light (beaming a pattern of lights across the room and then analyzing the light distortion to create a map) to effectively steer clear of obstacles.

A recent addition to the obstacle avoidance arsenal is artificial intelligence and visual interpretation, which allows robots to better identify and understand what they're encountering. The software makes use of two cameras to view the world and analyze it in real-time. This software is used by the ECOVACS DEEBOT to detect up 30 different objects, such as shoes and cables.

Certain models employ LiDAR to navigate. The technology emits lasers and determines the amount of time it takes for them to bounce off surrounding surfaces to create a 3-D map. This is helpful in the detection of furniture, walls and even stairs. It might not be effective in dim light or with transparent or reflective objects.

Whatever sensor or cameras are used regardless of the camera or sensor, a long battery life is crucial to ensure that your robot is able to completely fill your home without having to return to its dock to recharge. Choose models that can run for at least 80 minutes or more, depending on the size of your living space.

Self-Emptying Bases

Certain robot vacuum cleaners come with self-emptying bases. This could reduce the frequency you need empty your dustbin. They are considered to be a premium feature and can increase the cost of a robotic vacuum cleaner.

The best budget robot vacuum robots come with bases that can either hold either a bin or a dustbin that you can easily open and empty when full. This can reduce the amount of time you spend thinking about when to empty your trash bin and can be a huge benefit in the case of a messy household.

Self-emptying bases are present on all the robots featured in our review, except for the bare-bones Roomba I3+, which doesn't have a self-emptying base. That's a shame, because this robot is otherwise an extremely strong performer. It had the best results in mapping of all the robots we tested, and it has excellent navigation abilities. It also has excellent mower power and a docking station which can automatically empty the water tank if it is required.

It doesn't have iRobot's advanced obstacle avoidance system or digital keep-out zones it can get tangled up on cables and rugs and doesn't have the ability to detect the stray socks or shoelaces. It's an excellent choice for a smaller home which is well-maintained.

Other strengths are its navigation system, which includes bump sensors and drop sensor, and its ability make your home a map by using lasers and cameras. It's also easy to set up, comes with many settings and modes, and provides outstanding mowing and vacuuming performance. Another advantage is its smart-home functionality, which allows it to work with voice commands using Amazon Alexa and Google Assistant. This makes it easier to operate when you have multiple smartphones or tablets, and don't want to pick up an old-fashioned remote.

App Controls

Some robots can connect to Wi-Fi, allowing you to control them using your smartphone or tablet. This convenience is especially helpful in homes with a lot of floors, where you might have to navigate down a flight of stairs before the robot is able to get to the bottom. It also removes the need for a long cord, allowing you to move furniture around without worrying about your robot getting tangled up in the cord or running out of power during cleaning.

The app functions as central control point to monitor and schedule tasks. The app also lets you modify your robotic cleaner's cleaning mode, power and levels of water. This feature is especially helpful for homes with multiple types of flooring, including carpet and tile. You can assign the robot the proper power and cleaning mode to clean each floor.

Some models have a built-in camera that transmits live video directly to the app. These models are a good option for pet owners or parents of children who need to keep an eye on the robot as it works. Some smart robots also have sensors that recognize when they've gotten to the edge of a room and then return to their base to dock. This prevents them from taking over the area and ensures that they've cleaned all the surfaces of your home.

Certain models are able to automatically empty the dustbin and blow dry and wash mop heads in between cleaning sessions. This reduces the need for manual maintenance, and the robot cleaner will perform better for longer. You can also select a model with a longer battery lifespan that will allow you to avoid the hassles of mid-cleaning robots for home recharge.

Sensors

Many robot vacuums come with sensors that allow them to navigate through your home. They can be used on area rugs, carpets, and hard floors like wood and tile. They're not the same as an actual canister or upright vacuum cleaner, but they offer excellent suction on dust and dirt and are a wonderful way to keep your floor clean between deep cleanings with an upright machine.

Sensors allow the robot to navigate around your home, finding obstacles and avoiding falling on stairs. You can also set up virtual and physical "no go" zones using boundary strips or a virtual wall (like those employed by eufy) to stop the robot from entering certain areas within your home. Some robots come with cliff sensors that warn you when your robot is set to fall into the edge of a cliff.

The type of navigation system the robot uses depends on your budget and layout of your home. The most advanced robotic vacuum cleaner commercial vacuums use LiDAR sensors to map and scan areas to ensure precise navigation. These systems are costly, however they provide the most efficient results. Budget-friendly models with rudimentary bump navigation systems aren't as precise and can miss spots. These models are adept at avoidance of major obstacles, but they may miss dirt in crevices or around baseboards.

Look for a model with an extra-large dust bin and an extended battery life. There are models that recharge and dock and then pick up where they were when they left. This can save time. You can maximize the use of your robot vacuum as well as navigation, by preparing each cleaning session. Check that all power cables, toys, and other junk is cleared of the path of the robot and empty the trash bin after each cleaning. Also, clean the sensors and charging ports to keep the robot healthy.

Navigation

The best robot vacuums use mapping technology to create an electronic map of your home prior to the initial cleaning session. It helps them to recognize patterns like carpets or hard floors and ensures all areas are cleaned. It also prevents your robots from cleaning the same areas again to increase efficiency and reduce the amount of battery used. Many high-end models have the option to save the map of your house to use in the future which is a great feature for homes with larger spaces.

Most robotic vacuums come with an obstacle avoidance technology that stops them from running over cords or socks, or shoes. However, these sensors don't always recognize smaller objects. In the past few years, manufacturers began adding additional sensors to their robots, which allowed them to identify and avoid household items that traditional sensors could not. These include wall and cliff sensors, which function by bouncing light beams infrared off surfaces to determine distances.

Certain sensors are built directly into the robot's base, however, others require being purchased separately. These sensors help the robot to move safely and avoid falling down steps, and keep away from clutter. Some models have anti-drop sensors that prevent the robots from hitting furniture and walls.

LiDAR mapping is the latest and most advanced navigation technology and is an option to look for in a robot vacuum. This type of system uses a spinning laser sensor mounted on the top of the robot in order to map your home. By scattering infrared beams across furniture and walls, it can sense the layout of your home. This information then helps it design efficient routes and clear your entire house.