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Robot Vacuum Buyer’s Guide: How to Select a Robot Cleaner for your Home?

What is a Robot Vacuum and how it works?

A robot vacuum is an ultimate hi-tech vacuum cleaner that runs on its own. It greatly reduces your chores and also cleans your flooring off any dust and dirt that tends to accumulate daily.

A robot vacuum cleaner, also called as a robovac, is designed with intelligent programming to do different kinds of tasks. Some are designed to do just a single task, whilst others can perform multiple tasks at the same time. You can select the one that best suits your needs.

But, before you decide to go for it, you need to know how to choose a robot vacuum that’ll suit your cleaning requirements. Are robot vacuums really worth buying? What are features you need to look for before buying a robot vacuum cleaner?

This comprehensive robot vacuum buying guide elucidates everything you need to know before you purchase it!

Should I get a Robot Vacuum?

Firstly, vacuuming in itself is quite a tedious job, unless you really like to do it.

A good robot vacuum can handle daily vacuuming tasks for you and save you couple of hours every week, depending on the size of your home. Here are some of the benefits of robot vacuums.

  • With rapid growth of modern technology, robot vacuums have evolved today to be as efficient and powerful as traditional vacuums.
  • We see intelligent models today featuring spinning brushes, powerful motor, sensors, side brushes, filters, all housed in a petite-size body.
  • Robot vacuums can effortlessly pass underneath most furniture. Some hi-tech bots encompass motherboards, lasers, sensors, onboard camera, and even Wi-Fi to smartly navigate across rooms, without bumping into obstacles.

To conclude, time-saving and convenience are two good reasons that make smart robot vacuums ideal for your home.

Busy professionals, pet owners and families with young children are really going to make the most out of robot vacuums.

Types of Robot Vacuums

Based on type of design, robot vacuums can be differentiated into following categories:

  1. Sweeper + Vacuum: Almost all robot vacuums today are designed to be a combination of Sweeper and Vacuum cleaner. Most robovacs feature spinning side brushes to sweep dust off corners and edges, and direct it towards the suction inlet. Your robot vacuum will then suck all the dirt, dust, debris, etc. and collect in into dustbin. Some robots even have a wide rotating brush in the center to collect pet hair.
  2. Dry Mop or Wet Mop: Few robot vacuums today make use of microfiber cloth attachment on the underside of the machine instead of rotating brush so  that it can mop the floor effectively. Some even come with a water reservoir, in order to spray water on tough stains and wet mop the floor.

Factors to Consider before buying a Robot Vacuum

Every brand offers robot vacuum cleaners with different features, functionality, shape and size.

When choosing your ideal robot vacuum, look for not just its cleaning power, but also at variety of factors such as its battery life, technology incorporated, types of sensors, filter, and many more things.

Before making your decision, make sure you consider following factors:

Types of Flooring

What type of flooring does your home have?

Robot vacuum cleaners are designed to work on hardwood, ceramic, laminated floors and tiles. Some can even move over thresholds of rugs and carpets.

Smart robovacs will move in precise cleaning pattern, so as to save the flooring from wear and tear.

  • If you want to clean low-pile carpets, most mid-range models can handle the job.
  • And for medium-pile, fluffy carpets, you might want to go for a robovac with high suction power mode.

Suction power is measured in Watts, and most robots fall under the range of 10 to 30 Watts; 10 being lowest and 30 being strongest.

Battery Life

If not charged properly, a robot vacuum won’t perform to its full potential, even if it has powerful suction.

Manufacturers generally specify battery run time of the robot, after which it will need recharging.

  • Low-end robots will have minimum battery runtime of about 60 minutes.
  • Average bots will provide battery runtime of up to 70 to 80 minutes.
  • High-end, expensive robot vacuums will have about 90 to 120 minutes of battery runtime.

A 2000mAh Lithium battery provides enough battery runtime to handle a big house of 200 sq. meters.

Automatic Recharging

  • Few advanced bots come with “Automatic recharge” feature, where they automatically move towards the charging dock until fully recharged, but will again start over cleaning.
  • Whereas, high-end models will Auto-recharge and Auto-resume as well. Meaning, after automatic recharging, they will resume cleaning right where they left off.

No matter what kind of battery the vacuum uses, its runtime will reduce over time and eventually the battery will need replacement.

Make sure to look at the battery replacement options before making the decision of purchase.

Remote Control

Walking towards the robot every time you want to instruct it, is quite tiresome. Which is why, some brands provide you with a remote control along with the package.

With a remote control, you can activate your robot, instruct it with different commands and even direct it manually towards a particular spot for cleaning.

Cleaning Modes

A robot vacuum often comes incorporated with different cleaning modes, in order to cater your cleaning needs.

Few of the most common cleaning modes would be:

  • Spot Cleaning Mode: When in this mode, your robot will clean a particular spot in spiral motion until the job is done.
  • Auto Mode: Almost all robot vacuums are predesigned with “Auto” Mode, where the robot will automatically start cleaning the room in a logical pattern.
  • Edge Cleaning Mode: This mode allows your robot to clean in and around the corners and edges of the wall.
  • Carpet Cleaning Mode (Turbo Mode): Turbo Mode is often dedicated for deep cleaning of carpets and rugs, with high suction power.
  • Quiet Mode: Your robot vacuum will operate quietly with optimal suction power, so it won’t interfere with user’s activities.

Manual Steering mode is also quite common, where you direct your robot manually via remote control or through app to clean small mess.


Sure, robot vacuums can automatically clean the entire level of your home.

But the real question is, when and how?

Do you have to manually activate it every time you need it to clean the room? Or do you always have to reach out for the remote control?

That’s when the “Schedule cleaning” feature comes into the picture.

The ability to schedule cleaning cycles- any time of the day or once a week, is an important

feature, especially for those who are mostly outdoors.

You can schedule it for a time that is most convenient for your pets and family, and it will “start” cleaning automatically.

This will practically make it more “automatic”!

Navigation Technology

Instead of random cleaning patterns, intelligent robot vacuums make use advanced navigation system for smart mapping of the room. This improves overall cleaning efficiency of the robovac.

Without any navigation system, a robot will clean randomly in any direction and might leave off few dirty spots.

  • But smart navigation algorithm allows the robot to move in a more precise pattern, whilst avoiding obstacles, stairways and drop offs.
  • This way, you can leave the device alone to perform its task, no need to keep an eye on it.
  • With GPS memory, it will also remember where it has cleaned and which areas are yet to be cleaned. Even if they pause for a recharge, the robovac will automatically resume the cleaning where it left off.

Wi-Fi Connectivity

Wi-Fi enabled robot vacuums connect to your Wi-Fi network, allowing you to control them virtually, just like a remote control.

All you need to do is install a particular app on your smartphone.

Not just activate your robovac, but you can schedule it, check its battery life, cleaning progress and dustbin level. You will also receive notifications on your smartphone regarding the cleaning status of your bot.

Smart Sensors

It’s practically impossible for user to shift furniture, or empty the house, every time the robot starts vacuuming.

Hence, it is essential for a robovac to be integrated with smart sensors such as Cliff sensor, Drop sensor, Gyro, Collision sensor, LDS (laser distance sensor), Ultrasonic Radar sensor, etc.,

That is so the robovac can map a floor plan and avoid stairways, drop offs and obstacles.

  • Basic models make use of infrared sensors, so they change direction whenever they sense drop off edges or obstacles.
  • Advanced robot vacuums come with hi-tech systems like onboard camera, laser-guided scanners, etc. to map the entire room and plan its own cleaning path.

Some even have Dirt Sensors, so they can literally make sure the floor is crystal clear with no signs of dirt.

Laser robot is able to save the map for future reference of cleaning cycles.

While, high-end robots comprise of multiple floor plan feature, where it can save several floor plans at a time.

Types of Filter

Filter plays a vital role in vacuuming, as the job is not done by just suctioning dirt and dust alone.

Collected dirt and debris needs to get caught on the integrated filter.

Better the quality of filter, less allergens will be released back into air!

  • HEPA (High Efficiency Particulate Air) Filter is ideal for people who have lots of pet hair to deal with. Pet hair is one of the prominent reasons that produce allergens in the air.HEPA filter will allow the robot to remove tiny allergens and dust particles from the air, thereby preventing users from air-borne diseases.
  • Non-HEPA filters are also good, but are not capable of removing 100% tiny dust particles.

Noise level

If you are mostly going to be at home, whilst your robot vacuum operates, you might want to consider its noise level.

  • Robots who run with 50 dB to 55 dB noise level can be termed as quiet.
  • Most robot vacuums in the market have 60 dB noise level, which is optimal.
  • Anything above 65 dB is considered to be annoying.

Make sure you check the noise level a robot vacuum generates, before purchase.

Weight and Shape

  • Short and lightweight robot vacuums outperform heavier bots, as they can pass underneath furniture effortlessly and also move over thresholds with much ease.
  • Robovac that is equal to or shorter than 3 inches is appropriately short. Apart from height, even shape of the robot vacuum holds great significance.
  • D-shaped bots were popular as they tend to fit into corners and clean edges better than circular ones.
  • But nowadays, circular robots are integrated with side brushes to overcome this problem.

Boundary Markers

If you don’t want your robot to cross a certain area or room, you need to look for the one that comes with some kind of barrier.

High-end robot vacuums include “Virtual Wall barriers”, whereas average ones come with “Magnetic tape” that is to be laid on the floor.

These barriers will prevent your robovac from getting stuck into tricky areas or bump into your pet’s water bowl or floor vase.

Few bots allow you to draw boundaries via smartphone app as well.

Cheap robots won’t include any boundary markers at all.

Dustbin size

Size of the dustbin is not really a major deciding factor, as most bots have optimally sized dustbin.

If you have pets, the bin might get full quicker than you’d like. But, after few weeks of cleaning cycles, the robot vacuum will eventually have less buildup of hair to clean. Then, the size of the bin won’t be such a big deal.

Very few, high-end robots have Automatic Dirt Disposal feature, where users don’t even need to touch the dustbin for emptying. Such robot will automatically empty itself.

Transportation Wheels

Many robovac models roll over wheels or castors to navigate across home.

Very few models come with a track, instead of wheels. Even these robots can easily transition from hardwood floors to carpets, without getting stuck.

Floor Coverage

Make sure you read the specifications carefully. Some robot vacuums are only designed to use on solid flooring, whereas some can go over low or medium-pile carpeting.

How to Clean and Maintain a Robotic Vacuum?

In truth, robot vacuums demand regular maintenance for them to run efficiently.

Filters and other small parts need to be replaced timely. And, the dustbin also needs to be emptied when full or at least once a week.

Also, make sure the replacement parts of the robovac you want, are easily available in the market. You don’t want to install some cheap knockoffs into your robot, due to unavailability of original parts.

How long do Robot Vacuums last?

Robot vacuums can last anywhere from 4 years to 8 years, depending upon how you maintain them. This count can go down if you opt for cheaper robot vacuum cleaners; they won’t last as long as the high-end ones. Mostly, cheaper models don’t even come with replacement batteries or brushes, rather they are meant to be disposable, which is a huge downside.

As for high-end models, they can last for a whopping 8 years, if you do proper maintenance and use it in an efficient manner.

Are robot vacuums worth it?

Robot cleaners are great at performing cleaning jobs on daily basis. They can potentially reduce the time you spend in doing regular vacuuming, as all you need to do is just schedule them to run every day at a specific time.

Many robot vacuums are Wi-Fi enabled and also smartphone-connected, so they can efficiently map and clean the entire level of your home. And, you can even prompt them to start, stop or pause vacuuming via smartphone while you’re away.

They work best in picking up loose debris and dust on hard floors and low-piles, and some can even run on carpets too.

So according to us, robotic vacuum are definitely worth investing in, especially for people who don’t have enough time to vacuum daily.

Is robot vacuum good for Indian homes?

A robot vacuum is a perfect addition to a modern Indian home as this smart floor cleaning robot can go underneath the furniture like beds, tables and chairs that are often not accessible in regular cleaning. Also, it works on its own, making it ideal for smart homes.

Which automatic vacuum cleaner is best?

Now the real question most of you might have is, which automatic vacuum cleaner is best?

If you ask us, we think navigation is the most important thing in a robot vacuum. Good navigation programming will allow the robotic cleaner to smartly navigate across your home without getting trapped or lost. Your best robot vacuum has to be self-reliant, demanding less interference from users and traversing effortlessly across rooms.

Other significant specifications in a robot cleaner include strong suction power, good brush action, long battery life, and replaceable parts. Key specification may differ from person to person, as someone might require one feature, while others look for the complete opposite.

That being said, your best robotic vacuum cleaner might be the one that fulfils your cleaning requirements, whilst also meeting your budget.


Indeed, Robot vacuum cleaner is future of smart home cleaning!

If you want a spotless home, then robot vacuum is probably what you need right now. Anyone who doesn’t have the time to vacuum each and every day or week, is going to make the most out of an intelligent robot vacuum. They are smart, efficient and they clean like a boss!

According to our opinion, the best robot vacuum cleaner is the one that offers optimal cleaning path with good navigation technology, intuitive sensors, fairly long battery life and a detangling brush.

We hope this guide helped you understand different factors you need to consider before buying your best robot vacuum.

Best Robot Vacuum Cleaner in India 2022

Which robot vacuum to buy? Well, it all really comes down to your budget, desired features and cleaning requirements. Go for the one that fits well in all these factors.

Last update was on: November 25, 2023 6:00 pm

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Vineet is a tech enthusiast and computer genius who believes in making life simple through automation. He manages our gadgets and electronics category. His passion for technology drives him to explore new things and help others with his vast knowledge. When he’s not writing, he enjoys eating good food and playing badminton.

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