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The 14 Best Robot Vacuums Under $400 In 2022: In-Depth Buying Guide

The robot vacuum cleaner is an electronic device that automatically vacuums and mops smartly. It has the exact operating mechanism as a regular vacuum cleaner but can schedule work and operate without your direct control.

The robot can automatically detect the floor or carpet and return to the charging dock when the battery is low.

Many types of robots can self-emptying the dust container and automatically switch to mopping mode when the vacuuming process is completed. Today, we will learn together about the best robot vacuums under $400.


Our Top Picks

Today, we're going to introduce you to our top 5 picks so you can easily capture product information for your search.

1. Best for ultra-thin design: Eufy BoostIQ RoboVac 11S MAX

If your family owns a vacuum cleaner, Eufy Robovac IQ is too great. Product strong suction 2200Pa upgraded compared to previous versions.

They allow you to vacuum dust, hair, or anything that needs cleaning efficiently. On the other hand, it also provides incredible power to suck and clean the dirt on the carpet.

Besides, the product also gives you a variety of cleaning modes and flexible operation control to make it more convenient for you to use. The development brings extremely smooth sound when relaxing and cleaning the house.

2. Best for carpets and pets: iRobot Roomba i3+ (3550)

iRobot Roomba i3+ (3550) is the perfect device if you want to remove dirt in your house, especially pet hair, keeping your home clean and cool.

The product is equipped with 2000Pa suction power and responsive control, helping to provide you with valuable cleaning motion. The product can suck up dirt from hard floors and go deep into the carpet.

Besides, if your work is too busy and you don't have time to pay attention to the house, you can set a specific cleaning schedule on this device to save you maximum time and effort.

3. Best friendly: Shark AV993 IQ Robot Vacuum

Equipment friendliness manifests itself in many aspects, including cleanability, operating mechanism, and product life. With Shark robot vacuum AV993, all these requirements are perfectly met.

The machine has a capacity of 2700Pa and comes with many innovative technologies that allow quick cleaning, saving time. Patented dirt detection technology helps the device automatically find the dirtiest areas and perform a thorough cleaning.

The device can be accessed on the mobile phone itself. Even if you are not at home, you can still quickly launch them to perform cleaning purposes.

The product has a reasonably long service life, making it easy for you to exploit the features and clean the house in the best way.

4. Best intelligent control mechanism: ECOVACS Deebot OZMO N7

Unlike other products, the ECOVACS robot vacuum Deebot N7 with intelligent control features became the most popular product line. The device allows you to connect to your smartphone wifi to adjust the tasks.

Thereby, they will provide maximum support for your cleaning work. The device does not make any noise during your career, creating the best space for you to relax and entertain.

5. Best dust capacity: Roborock S6 Pure Robot Vacuum

If your home has a large area, you should choose Roborock Robot Vacuum S6 Pure and Mop to support your cleaning work.

The product is equipped with a large-capacity dust cup to help you clean comfortably without worrying about being full.

Besides, the device also provides you with intelligent positioning to pinpoint the exact space to work clean for perfect timing optimization.

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Comparison Table

Showing  1 - 10  in  14 results
TOP Choice
1
  • SCORE
    9.4
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    roborock
TOP Choice
2
  • SCORE
    9.2
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    eufy
TOP Choice
3
  • SCORE
    9.0
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    eufy
4
  • SCORE
    9.0
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    iRobot
5
  • SCORE
    8.8
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    iRobot
6
  • SCORE
    8.8
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    Shark
7
  • SCORE
    8.8
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    Coredy
8
  • SCORE
    8.8
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    roborock
9
  • SCORE
    8.6
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    roborock
10
  • SCORE
    8.6
    AI Score

    AI is the capacity of a computer as well as a robot controlled by a computer to do assignments. As you know that there are no AIs that can perform the wide variety of jobs an ordinary human can do. Some AIs can match humans in specific tasks. We use AI for score, the scores from 0 to 10 are automatically scored by our AI tool based on the data collected. This score has no relationship or impact from any manufacturer or sales agent websites.

  • Brand
    UONI

Last update on 2022-08-18 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

4.5
13 ratings

Buying Guides

Identify The Right Need

There are many types of robot vacuum cleaners on the market, with various features and capacities. Therefore, the buyer should properly determine the family's needs before spending money.

First, you need to know the floor area to choose the appropriate machine capacity desired features (only vacuuming or integrating both vacuuming and mopping.

Whether it is necessary to integrate carpet cleaning, pet hair or not), the family's primary user, and finally, the budget. Identifying needs will help buyers choose the right robot vacuum cleaner. For example, check out the Roborock S6 Pure Robot Vacuum if you have ample space.

Trademark

Choosing high-quality, popular robot vacuum cleaners in the market is very important. Finding replacement wear and tear accessories with reputable units, warranty, and repair issues will be more accessible.

In the buying process, you also need to choose a genuine robot. Avoid buying devices labeled "like new 99%", type 1, type 2... Besides, you need to carefully find out the origin when buying imported robot vacuum cleaners.

Check specs

It is the essential information buyers need to know when checking their home vacuum cleaner.

You can talk to a robot vacuum cleaner consultant and find out the basic parameters on the sales website, such as suction power, battery capacity, the ability to save maps, etc.

Based on the specifications, the buyer can compare and choose the right product for your needs.

The ability to navigate

The intelligent navigation feature is the most significant difference between modern robot vacuums and previous versions.

This feature helps the robot navigate, recognize and plan work. You can understand that the robot will work faster, detect obstacles sensitively and move flexibly.

Smart feature

Besides the primary use of vacuuming and mopping, some robot models are integrated with intelligent features such as drawing virtual walls, remote observation, self-emptying, using voice,...

Although it's just a feature backend, it will also help users have a better experience. Recently, one of the most popular intelligent feature devices is the iRobot Roomba i3+ (3550).

Limit noise

Many manufacturers have increased the capacity of the robot vacuum cleaner to create a significant suction force cleaning efficiency, so it can make noise when in use.

The average noise of the current robot vacuum cleaner is about 55-65 Db. You can choose to buy noise-reducing models if your family has older adults and young children.

Suction force parameter

Many people consider suction parameters the top criteria when choosing a robot vacuum cleaner.

However, you should note that this parameter is for reference only. Buyers need to consider other parameters to select the suitable model for their needs.

For example, although many models of the iRobot Roomba brand do not publicly disclose the suction power, the cleaning quality is still better than other device lines.

Wipe feature

It is tough to distinguish which robot vacuum cleaner cleans well based on suction parameters.

Users can consider the cleaning feature of the robot vacuum cleaner to evaluate and choose.

Vibration cleaning technology of Ecovacs brand on robots T8 AIVI, T9 AIVI; frequency vibration of Roborock S7; Braava Jet M6's precision jet technology… helps these models clean better.

Besides learning about specifications, features, and prominent brands, users can refer to YouTube channels specializing in reviewing robot vacuums, mopping, etc.


FAQs

How long is the durability of the robot vacuum cleaner?

The average life of a Robot is from 8 to 10 years. For example, S5 Pro Robot Vacuum will have about 8 years which is highly durable.

In addition, the robot vacuum cleaner is an electronic device, so users need to pay attention to the following notes such as:

  • Regularly cleaning the robot once every 3 days
  • Maintaining the machine every 3 months, and carefully reading the cleaning instructions. Properly clean the machine.
  • Periodically clean the brush and brush between the robot's underside
  • Remove tangled hair fur entangled in the broom, and avoid long-term exposure that will cause loud noise when the machine is working.

What is the warranty when there is a product defect?

Depending on the product you choose to buy from, they will also have different warranties.

Usually, robot vacuum cleaners will have a 12-month warranty period, 1 for 1 error within 30 days if the manufacturer detects an error.

For example, if you choose the ILIFE V3s Pro Robot Vacuum Cleaner product, there will be a 12-month warranty period.

Does the robot fall stairs while cleaning?

Most robot lines from reputable brands such as Shark AV2501S AI Robot Vacuum are set up with 100% anti-drop sensors.

The robot will sense the stairs and move skillfully when cleaning this area.

Besides, they also have anti-collision sensors, so you don't have to worry about the robot damaging any objects in the house.

Does the robot's charging dock jerk?

Robot vacuum cleaners are for absolute safety for users. The device and the charging dock are both extremely safe.

You will not have to worry when your baby is home alone with families with young children because the charging dock does not cause shock, short or fire.

Do I need to use a cleaning solution for the robot vacuum cleaner?

If you want your floors to be cleaner, use a specialized floor cleaning solution for robots.

However, you absolutely should avoid using standard floor cleaners because it can affect the durability of the water box, causing the container to erode and be quickly damaged in a short time.

What will the robot vacuum do if it encounters an obstacle in the way?

Today's robot vacuums are often with an obstacle detection sensor system. This system helps the robot avoid colliding with your furniture, walls, and appliances.

There is a critical anti-collision sensor. When the sensors detect an obstacle, a signal will be sent to the robot's central processing system to slow down, change direction, and select a robot.

If the object is too low, 1.5cm or less above the ground, the robot will lightly touch the obstacle with its mechanical cushion before turning around.

What to do when it does not clean the house thoroughly?

It is also a question that many customers wonder about in using a robot vacuum cleaner.

New users of this device often wonder why the robot vacuum cleaner rarely cleans the corners of the walls and floor.

In this case, please select Edge Cleaning Mode to clean along edges and in corners effectively.

Modern intelligent robot vacuum cleaners often have many cleaning modes for you to choose from, depending on the purpose of use, which is very flexible and unique.


Final Thoughts

Thus, today's article has introduced to you helpful information about the best robot vacuums under $400.

In general, each line of equipment has its advantages and disadvantages, but they always promote their use in cleaning the house.

Hopefully, the sharing of the buying experience and frequently asked questions will help you gain more knowledge in the process of using this device!

Can you pay a little more?


TedTools Team
TedTools Team
TedTools includes editors who are passionate about the products in their articles. Enthusiastic and hardworking, our editors provide in-depth experience and objective knowledge to help you to choose the best product. The intensive research and the daily growth of the author team at Tedtools are the conditions that help customers place more trust in us when they need to renovate their lives. The website is for you!