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Customer reviews for iRobot Roomba Plus 4020 Combo Robot Vacuum & Mop with AutoWash Dock and DualClean Mop Pads for
iRobot Roomba Plus 4020 Combo Robot Vacuum & Mop with AutoWash Dock and DualClean Mop Pads
4.4 out of 5 stars
stars61 ratings58 reviews
  1. 5 stars66% (40)
  2. 4 stars18% (11)
  3. 3 stars10% (6)
  4. 2 stars2% (1)
  5. 1 star5% (3)

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Showing 1-10 of 58 reviews
Aug 24, 2025
Megan
5 out of 5 stars review

Best Vacuum Purchase

This vacuum/mop has really been a lifesaver. We have kids and a dog and it really helps to have something that can be programmed and it runs. This not only keeps our house clean but saves us time. It navigates our floorpan well and handles different terrain.

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Jun 2, 2026
David
5 out of 5 stars review

absolutely amazing

This is my first robotics vacuum %26 mopping unit i have ever owned and i have to say I'm quite impressed so far. all my floors are LVP no carpet so i dont know how well it works on carpet and i don't have pets or children just 2 adults in my household. the first mopping i used just water and it done a great job vacuum and mopping i have since bought the i robot cleaning solution so we will see how that cleans next mopping session i have ot set to vacuum and mop my entire home on Monday's and Thursday's while we are at work i absolutely love this robot so far its only been used 1 time so hopefully it keeps up the great cleaning my home stayes pretty clean but its nice to not have to worry about sweeping and mopping the floors now since i have this. will update in a few months to see if anything changes

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May 21, 2026
anonymous
5 out of 5 stars review

But it!

I've had 3 robot mops over the years and this one is finally the one that feels worth the money. The iRobot Roomba 420 plus AutoWash Dock cleans the floors great, but the best part is how little I have to mess with it. No hand washing nasty mop pads. No constantly refilling the water tank every five minutes. And it actually dries the mop pads when it's done — which keeps that sour mop smell away. Huge win. The dock does most of the dirty work for you, and honestly that's what makes this model stand out from my older Roombas. If you've got a husband who goes in out, grandkids, pool traffic daily or a busy house, it's a game changer. I'm picky about floors looking clean, especially with light floors, and this thing has impressed me. Technology finally caught up with lazy cleaning… and I'm here for it. 😂

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Apr 22, 2026
NicoleS
5 out of 5 stars review

Exceptional cleaner

[This review was collected as part of a promotion.] The Roomba Plus 405 Combo robot and AutoWash with dock is an amazing house cleaning tool. It didn’t come with a quick start guide. Since there was no QR code to scan, it was much harder to get it set up. I couldn’t get the robot to sync with my app. It took me 45 minutes to get it set up to go. Once it was synced and ready to go, the robot mapped out the floor it was on in about 90 minutes. Once it did that, I had it clean 3 rooms. It stopped a couple times to clean the mop heads and once to empty the vacuum compartment. I used plain water to clean the hardwood floors. It picked up all the crumbs in the kitchen and did a nice job mopping in neat rows. In the foyer, it mopped away footprints from someone’s dirty shoe. The vacuuming was effective—it picked up a lot of cat fur and crumbs. It didn’t get stuck in cords that I couldn’t hide. It is quiet enough that I was able to watch TV still while worked. I took a video of it cleaning, but it won’t load to this review. I like that you can edit the map to label the rooms. You can also go into the map and subdivide a room for shorter cleaning sessions. For instance, if I cooked a lot and made a mess in the kitchen, I can have the robot only clean the kitchen—not the entire first floor. Overall, this is an excellent product.

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Apr 18, 2026
JenniferK
5 out of 5 stars review

Best robot vacuum

[This review was collected as part of a promotion.] This has to be the coolest gadget in my home. It will always blow my mind how this robot vacuum/mop knows how to map out your home so it doesn't crash into walls or anything. My floors looks and feel clean at all times. It fits nicely in its own little spot in the living room and it's easy to assemble. Awesome product!

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Mar 13, 2026
KellyK
5 out of 5 stars review

Amazing my house has never been this clean!

[This review was collected as part of a promotion.] This is the best thing that could of ever been invented! My floors have not been cleaner now since i got this. With 3 cats andb2 dogs and a mix of hard floor and carpet its always been a hassle to keep everything vacuumed and mopped at the same time. No more with the roomba 450 plus. It vaccums and mops and even goes and cleans itself up and empties its dust bin. Setup was super easy with instructions to follow on the irobot app. I love that thr base has 2 reservoirs one for clean and one for dirty water and in the app you can set how often you want it to return to base to clean its mop pads. Automatically empties its dust bin if it gets full during clean or will empty when its finished. Takes about a half hour for it to fully map your house where you can then go in and adjust rooms and split them if you want. I set this to clean every Monday and it vaccums every room and mops only specifics. You can even set it to clean in a certain order too. This has surpassed all of my expectations and then some. The base doesn't weigh much even with the tanks cleaning and filling them is super easy and not hard to get to. The pads wash every time thry clean and dry themselves. Havnt had to empty the bag inside for the dust yet as it still is super empty rven with it running often. The robot itself weighs enough so that it presses down into the floor and picks everything up but not too heavy in case you need to rescue it from a rogue dresser leg. If you are looking to get one do it, you won't regret anything.

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Apr 28, 2026
FathimaB
4 out of 5 stars review

Quiet compact vacuum .

[This review was collected as part of a promotion.] iRobot Roomba plus 450 combo robot is definitely an upgrade for me who has always used a traditional vacuum. Remote operation and control via app in the mobile device makes it easy and convenient to operate. The iRobot recognizes the obstacles and along follows the map efficiently. The clean power and suction is great the rotating brush get to the corner and unreachable areas easily. It automatically goes to the dock to charge. The mopping function is great and cleans well . It automatically empties as it gets full. Definitely a great vacuum that operates quietly ,great for office or big room with minimum obstacles that doesn’t require moving to clean and mop.

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Feb 28, 2026
MadisonB
4 out of 5 stars review

Yesssss

[This review was collected as part of a promotion.] What a very very smart little helper. I couldnt have gotten this at a better time mom of 3 one being a newborn and a deployed spouse so I'm keeping up with the house alone. The mapping took a couple of tries before I was satisfied. Now that I am satisfied with the mapping we have used our robot everyday since. Its a little noisy but 1 i don't mind noise if it is working amazing and 2 is not as noisy as others I have. The robot is also pretty massive but because of its capabilities it makes sense. It can get over alot of items. This thing can literally off road. If you are satisfied with carpet lines after cleaning. THIS MACHINE WILL DO IT!!!! I love that factor. It is also very detailed and will not go over carpet if its mopping. Like I said SO SMART!! it will happily let you know if it gets stuck or sucked up an item that shouldn't be vacuumed. I do like the control from my app as well. The things I didnt like besides how hard it was to map my home was it has sooooo much trouble finding its base. I wish I understood why put itll pass it by 10 times before even trying to dock snd when it goes to dock it looks like its trying to parallel park with how often it goes in and out. Its crazy. But overall I loveeeee our little helper it has been making my life sooo much easier.

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Apr 10, 2026
JessS
3 out of 5 stars review

Roomba plus 405

[This review was collected as part of a promotion.] Overall I find this Roomba plus just okay. The set up was pretty easy including the attachments on the bottom. The first run it leaked a bit but the second I had no issue. As with roombas this is all set up with in the app and will map out ur floor plan. It does well with navigation but I think a more open concept home would be better with this. Also may not be best for homes with pets. I have three dogs and it just isn’t made for that. Also when cleaning corner and along the wall aren’t able to be done so it’s more for just a daily maintenance than thorough cleaning. Suction is fine and goes over low pile rugs easily. This product could be fine for the right consumer but no everyone. I

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May 21, 2026
Vaun
1 out of 5 stars review

Very disappointing

It is very noisy. It is hard to use and doesn't stay connected to the Internet. I wouldn't buy it again. I have an older one that is upstairs and is very easy to use.

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