Why is My Roomba Leaving Clumps of Hair?

The clutter found throughout the house includes both pet hair and human hair. If you have a Roomba, it can assist in automatically cleaning up the mess. However, some folks find that their Roomba leaves behind hair clumps. So, why is my Roombas leaving clumps of hair?

The brushes on your Roomba have too much hair and lint wrapped around them, which is why it leaves clumps of hair behind. Even though a Roomba is designed to pick up hair, even long hair, there is a limit to how much it can pick up before the hair wraps around the brush, decreasing its suction and leaving hair clumps behind. To stop your Roomba from leaving hair clumps, clean the brushes and their end caps.

We’ll explain how to remedy a Roomba that consistently leaves hair clumps in this post. Your Roomba ought to clean like a pro without making a mess at the end of this article.

Can Roomba Pick Up Human Hair?

The Roomba is a little robot that cleans your room while you are gone, as you may know. The Roomba 890 from iRobot, the most recent iteration of this device, has two rubber cylinders on its underside. So, can Roomba Pick up human hairs? 

Yes, hairs don’t get caught in the brush and break off or clog the system because of the outstanding job these rubber treads do at holding it in their channels (as older Roombas with bristles were prone to doing). Even longer human hair can be picked up by a Roomba, but only up to a certain point. The hair will eventually tangle up the brushes. 

Your Roomba will have less suction if this occurs. The Roomba 880 introduces AeroForce technology, which is intended to collect 50% more dirt, dust, hair, and debris, even long human hair. Newer Roomba versions include two tread-covered rubber cylinders positioned next to one another on the underside of the vacuum, in contrast to older brushes with bristles where long strands of hair would get stuck on the bristles.

Longer hair may still become tangled in the rubber brushes on the Roomba, but as long as you remove it afterward, it won’t affect how quickly the machine works. Fortunately, the rubber construction of the extractors allowed cutting and removing the hair in one motion much easier than the tiresome process of cleaning out bristle brushes. To assist you cut and remove the hair and lint tangled around the Roomba’s replaceable rubber brushes, iRobot even provides a little cleaning tool.

Why Is My Roomba Leaving Clumps of Hair?

Check to determine if your Roomba is genuinely collecting up a lot of hair in the trash if you see it is leaving behind clumps of hair. At first look, there may appear to be a lot of hair, but think about how much pet or human hair has gathered on your floor since your last sweep or vacuum.

If there are hair tangles in the brushes or the dustbin is too full for the Roomba to pick anything up, there may be hair clumps left behind. In the event that the filter is clogged, it may also have problems taking up hair. Examine the amount of hair that is scattered about your home as well. There is a limit to how much hair a Roomba can take up, so if there is an excessive amount, it might not pick them all up.

  1. The brushes are tangled with too much hair

Only so much hair can be picked up by a Roomba. Hair clumps may remain if the brushes are clogged with hair. If your Roomba is leaving behind hair clumps, the brushes may be clogged with hair. When your Roomba is louder than usual, this is one of the most clear signals that the brushes need to be cleaned.

Even longer human hair can be picked up by a Roomba because it is made to do so. However, you must take out the hair that has been wrapped around the brushes for the Roomba in order for it to operate constantly.

You should routinely clean the brush roller bearings, which are found on both ends of the brushes, in addition to the brushes themselves. There is a good likelihood that once the housing has been removed, you may notice little spirals of hair or fur wrapped around the ends of each roller.

  1. There is simply too much hair around your house

If you have dogs, sweeping can always lighten the load on your Roomba. A Roomba is made to pick up pet hair and even longer human hair, but if there is an excessive amount of hair in your home, it might not be able to collect it all at once.

Do a routine sweep with an ordinary broom before turning on your Roomba if your home has a lot of furry pets or if there is frequently human hair lying around. Always keep in mind that you may contribute to making your Roomba work less. You may stop your Roomba from leaving clumps of hair in its path by minimizing the amount of hair that is laying around.

  1. The dustbin is full and the filter is clogged

A full trash can and a clogged filter are additional causes of your Roomba leaving hair clumps because they prevent the device from producing adequate suction strength to remove the hair from your home. Do you periodically clean the filter and empty the trash?

Keep in mind that the filter needs to be changed every two months, while the bin needs to be emptied after each use. If you have a dog, you should empty the trash can around five times every use. If you neglect these easy chores, your Roomba may not only leave more hair clumps, but it may also display the trouble signal 8, which denotes low suction.

How Much Dog Hair Can A Roomba Handle?

In 2022, a Roomba model will be able to extract 87 percent of dog hair from carpet and hardwood surfaces. So, how much dog hair can a Roomba handle?

Robotic vacuum cleaner Roomba has a daily cleaning capacity of up to 7,000 square feet. With the use of sophisticated technology, it knows how frequently to move between the various cleaning modes. The Roomba i3 Robot vacuum empties its dirt collection into a single-use bag that can store up to 30 minutes’ worth of dirt and hair.

Additionally, the Roomba includes a unique filter system that keeps hair from clogging its components. Golden retrievers and Huskies are two examples of pets with lengthy fur that will eventually shed all over your floors. Although this is typical for canines and felines, it does not necessarily indicate that you need to replace your Roomba because of dog hair.

Can the Side Brush Cause the Roomba to Squeak?

Have you been wondering if the side brush of your Roomba can make it start squeaking?

Possibly. The edge-sweeping side brush of the Roomba can reach corners of a room that roller brushes can’t, and it may sweep dirt and debris there. The side brush allows the Roomba to move from room to room without skipping a place and can reach underneath couches and other pieces of furniture.

The robot’s side brush can be taken off if necessary so that it can be cleaned manually. The Roomba side brush can squeal when it runs across the floor adjacent to walls if it has become worn or clogged, which is an easy thing to happen.

The stripped gears on the brush head of the Roomba are another factor contributing to its squeaking. A tiny screw on the side brush connects it to the gear to which it is linked. The side brush can become worthless since it won’t spin if the screw becomes loose over time. When this occurs, it’s time for a replacement to stop the Roomba’s side brush from squeaking.

Can a Roomba Handle Lots of Dog Hair?

Owning a robot vacuum can be quite useful if you have pets. Pet hair, one of the most frequent types of dirt and detritus that collects on residential floors, is easily handled by these automated vacuums. But, can a Roomba handle lots of dog hair? 

Yes. Our top pick in this category is the iRobot Roomba i7+ since it outperforms other models we tested in terms of cleaning performance, has a robust scheduling software, and works with Alexa. When it comes to pet hair, this model performed somewhat worse than the Neato Botvac D7 Connected (on hard floor surfaces). If you want a low-maintenance solution to deal with your furry friends’ shed fur, both are fantastic options.

While the dual side brushes on the Roomba i7+ have enough suction power to thoroughly clean carpets, they are too stiff for delicate area rugs or smaller throw rugs. The Roomba i7+ works best on hardwood or tile floors.

Best Roomba For Hair

  1. iRobot Roomba s9+

If you’re going to spend a lot of money on a robot vacuum, you want to be sure that it will collect every single bill. Fortunately, the iRobot Roomba s9+ performs admirably considering its high price, especially when cleaning up pet fur. It came in second place to the iLife V3S Pro, picking up 98 percent of pet hair on average across carpet and hardwood floors.

The self-emptying Clean Base on the Roomba s9+ separates it from the competition by autonomously emptying the onboard dustbin when it is full or when the task is over. When it’s time to empty the bin, this automatic emptying does more than simply save you some time; it prevents the hair and dander the machine just gathered up from returning to your house. When it’s time to remove the full bag, a disposal bag inside the base neatly seals. It’s far preferable to throwing the robot’s waste can into your kitchen trash can.


  • It was quick and simple to map.
  • In-app mapping controls that are simple to use Fast cleaner.


  • Loud dustbin and loud vacuum.
  • Pricey.
  1. iRobot Roomba i7+

The first robot vacuum with a self-emptying base was the iRobot Roomba i7+. The base is loud enough to wake up your cat from his mid-morning slumber, but it’s also strong enough to vacuum up all the dust and pet hair that has accumulated on your flooring. Dust and grime are kept at bay inside the Clean Base by a disposable vacuum bag.

The Wi-Fi-enabled iRobot Roomba i7+ supports area-specific cleaning and no-go zones and properly maps the levels of your home. The iRobot Home app will even offer seasonal cleaning suggestions, such as more frequent cleaning sessions during the Spring shedding season. The Roomba i7+ enables geofenced vacuuming, which means the vacuum will start when it senses that your phone has left the house, just as its more expensive brother, the Roomba s9+. Nobody likes to miss their cat riding a Roomba, so if you leave the house and come back before it’s finished, you have the option of continuing the task.


  • Outstanding navigation.
  • It is able to clean one room.


  • Clean Base has a powerful sound.
  • There may be more thorough cleaning.


When the brushes become too tangled to pick up any more hair, a Roomba will leave clumps of hair behind. Because of the decreased suction force, it is unable to remove more hair. The dustbin being too full to pick anything up is another reason a Roomba won’t take up hair.

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