Robot vacuum cleaners are a gigantic market. It wasn’t so long ago, though, that robot vacuum cleaners were considered to be fairly crude and inefficient. For a time, there wasn’t a lot of practicality associated with robot vacuums, and many people saw them as novelties, and nothing more.

Eufy RoboVac 11S (Slim) vs 11S Plus

Times have changed, though, and robot vacuum cleaners are some of the most popular vacuum cleaners on the market. Much of this popularity comes from the fact that robot vacuum cleaners allow you to automate the entire vacuuming process completely. No other vacuum cleaner does this for you, and that is what makes robot vacuum cleaners so unique.

Just a decade or so ago, robot vacuum cleaners had sensors that didn’t work properly. They could never detect where they were, where they needed to go, or what was in front of them. Naturally, this leads to an inefficient vacuuming process.

Today, robot vacuum cleaners have excellent sensors, strong performance, and they are the peak of convenience when it comes to vacuuming.

In this buying guide, you’re going to learn about the Eufy RoboVac 11S Plus, and the Eufy RoboVac 11S. The Eufy RoboVac 11S Plus is the newest robot vacuum from Eufy, and it’s fantastic! You’re going to learn about what it offers and why it’s great. And then, you’re going to learn about the Eufy RoboVac 11S, and the features and attributes that it offers.

Eufy RoboVac 11S (Slim) vs 11splus robot vacuums

What Does The Eufy RoboVac 11S Plus Offer?

The Eufy RoboVac 11S Plus is the newest robotic vacuum from Eufy. It’s new, and it offers many of the same features that you will find on other Eufy robot vacuums. It’s a continuation of the design principles and features that Eufy has been refining and improving for several years, and that’s part of what makes it such a great robot vacuum.

You’ll notice, right off the bat, that the Eufy RoboVac 11Splus is a fairly small and lightweight robot vacuum. Most robot vacuums are, but the size of the Eufy RoboVac 11S Plus is smaller than many others, and so is the height. With a height of 2.85-inches, the Eufy RoboVac 11S Plus can move underneath furniture and chairs, with immense ease and speed. It’s also able to move around smaller homes and spaces in a much quicker, and far more efficient manner than many other robot vacuums.

Vacuuming is easy, and you have access to a significant amount of suction power. The Eufy RoboVac 11S Plus gives you 1500Pa of suction power, which is quite a bit. It’s not as much as other robot vacuums, but when you consider the size and the low price of this robot vacuum, it makes more sense.

Using this 1500Pa of suction power, the Eufy RoboVac 11S Plus can vacuum on any hard floor. The vacuuming process is quick and thorough. Dirt and dust is sucked into the vacuum, through the use of strong suction and powerful brushes, and the entire process is incredibly swift.

However, soft floors, such as rugs and carpets, are a little different. Most of the time, the Eufy RoboVac 11S Plus will have no difficulties vacuuming up the dirt and dust on a rug or a carpet. But, sometimes, there will be some difficulties, and it might take longer than it should. And, that’s because some carpets are very thick and dense, and this requires more suction power, and a more thorough and slow-paced vacuuming process.

In the end, though, the Eufy RoboVac 11 S+ will have very few problems vacuuming on hard floors, or soft floors.

To aid in the vacuuming process, the Eufy RoboVac 11S Plus uses something known as “BoostIQ Technology”. BoostIQ Technology is a technology that involves using sensors to detect when the Eufy RoboVac 11S Plus moves to another surface. If the robot vacuum moves from a hardwood floor to a thick Oriental rug, BoostIQ Technology will detect that. When it detects that, it will then adjust the suction to accommodate that surface properly.

Ultimately, the Eufy RoboVac 11Splus is a fantastic robot vacuum! It’s fast, efficient, very easy-to-use, and super affordable! If you’re looking for a high-quality robot vacuum that won’t break the bank, then this is a great choice!

eufy RoboVac 11S Plus, Black

What Does The Eufy RoboVac 11S (Slim) Offer?

What’s interesting about the Eufy RoboVac 11S is the fact that it is just like the Eufy RoboVac 11S Plus, in terms of size and height. It was advertised as being the slimmest robot vacuum from Eufy, when it was released, but that is no longer the case.

What Does The Eufy RoboVac 11S (Slim) Offer?

Using the Eufy RoboVac 11S, you have access to 1300Pa of suction. That’s 200Pa less than the Eufy RoboVac 11S Plus. With this suction, you can vacuum on hard floors very easily. But, carpets and rugs, those are significantly more challenging. You’re going to have some issues if you want to use this vacuum on carpets and rugs, especially if those rugs are thick. This is because the suction power just isn’t as capable of vacuuming on those surfaces.

With that being said, though, it’s still possible. It will be slower, and it won’t get as much of the dirt and dust as the Eufy RoboVac 11S Plus would, but you can still do it.

To aid in the vacuuming process, BoostIQ Technology is used. Just as with the Eufy RoboVac 11S Plus, BoostIQ Technology allows the Eufy RoboVac 11S to detect when it moves from one surface to another, and to alter the suction in response to that.

Eufy RoboVac 11S (Slim)

To use the Eufy RoboVac 11S – and the Eufy RoboVac 11S Plus – you are going to be relying on a small remote control. Using the remote control, you are able to create a custom schedule for the robot vacuum to follow, turn the vacuum on and off, tell it to recharge, and adjust the cleaning mode that it is currently using. It’s quick, convenient, and easy to use.

Ultimately, the Eufy RoboVac 11S is a nice robot vacuum, but the Eufy RoboVac 11S Plus is the same robot vacuum, and it offers greater suction power and a slightly lower price tag.

Eufy RoboVac 11S (Slim) vs 11S Plus


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iRobot Roomba s9+ (9550) eufy BoostIQ RoboVac 11S MAX eufy BoostIQ RoboVac 11S (Slim) Roborock S5 Robotic Vacuum and Mop Ecovacs Deebot 500
iRobot Eufy Eufy Roborock Ecovacs
s9+ 11S MAX 11S (Slim) S5 500
Continuous 100 min 100 min 150 min 110 min
12.2 x 12.2 x 3.5 in 17.8 x 13.7 x 4.8 in 12.8 x 12.8 x 2.9 in 13.8 x 13.7 x 3.8 in 12.9 x 12.9 x 3.1 in
20 pounds 5.73 pounds 5.73 pounds 7 pounds 6.7 ounces