Appeal of a robot vacuum with an empty base it is automatically clear: You get weeks (maybe even months, depending on how often you use the ‘bot) for your hand cleaning, without the hassle of emptying the daily bin.
The truth is, however, that you are delaying maintenance rather than eliminating it. When you’re emptying a bin, it can be a big and often very involved process. An automatic emptying dock can also lead to invisible problems, including persistent odors, clogs, sensor glitches and bag changes.
So is the automatic unloading model worth the extra investment? Let’s dive in.
What automatic unloading docks do
The Shark UV Reveal has a bagless self-draining station that also cleans the mop.
Instead of requiring you to empty the small barrel inside the robot vacuum after every run or two, the automatic discharge unit will return to its dock and position itself over the suction valve. There, a powerful vacuum in the base station will suck the dust and debris into a large container. After that it will catch the waste behind the filter (if it does not have a bag) or in a closed bag.
The automatic drain base works well on fine particles like dust, dander and pollen, as well as fine debris like crumbs and pet hair. Where you can run into trouble is the larger trash. Objects such as bottle caps, cat toys or even long hair can clog the feeding system or filter and eventually block suction.
“This happened to me,” said CNET editor Ajay Kumar. “I’ve lost more cat toys than I can count, and I can only assume that a fair number of them are stuck somewhere inside the station or bag of the robot vacuum, although I’ve been lucky that none of them have ever caused a clog.”
Hidden storage
The Roomba J7 Plus comes with a charging dock that also empties into the robot’s bin. Waste is collected in disposable bags.
The disadvantage of the automatic unloading model is that it involves maintenance activities and costs that may not be apparent at the time of purchase. In addition to removing the types of clogs mentioned above, self-emptying units can also collect dust inside, covering sensors and pipes. This can lead to false “bin full” notifications and other software errors. Neglecting the filter can also lead to clogging or incomplete extraction and reduce efficiency over time.
Self-emptying models tend to be higher than standard robot vacuums because of the powerful motor to pull the dock. That powerful engine wakes up every time the dock unloads the robot and can stress seals, pipes and filters, creating new points of failure.
How often do you need to clean the dock?
The Spot+Scrub AI has a self-emptying bagless dust bin in its inlet station, as well as fresh and dirty water tanks.
How often you need to clean your foundation will depend a lot on your home and how often you run the robot. Remember, many robot vacuums also do mopping these days. While most new models will clean and empty their own mopping pads or rollers, the dirty water tank can sit there and be strong if you forget about it.
“In addition to taking out the trash, it’s important to regularly check and clean the ‘hidden’ areas that keep everything running smoothly,” said Ryan Wu, head of Narwal Americas, in a statement. pre-interview touched on general robot-vacuum problems. “When the sensors are blocked or the brush rolls get tangled, the robot’s navigation and suction power are greatly reduced. It is recommended to check the brushes, filters, sensors and wheels every few weeks or more often if there are long-haired pets in the home, and for simple tasks like trimming tangled hair. A quick 5-minute tune-up is essential.”
The Dream X50 brush roller can be easily removed if you need to clear anything that may be caught between the two rollers.
In smaller homes, or a simple job like hardwood floors, you may only need to submerge once every month or so, and little maintenance or cleaning may really be necessary.
In moderate-use situations, such as daily or every other day runs in an average-sized home, you should check the foundation every two to three weeks. Make sure you thoroughly clean the installation and check for signs. You should pay special attention to both the dirty and fresh water tanks to make sure that nothing is growing in them or that they don’t smell weird. A quick wash with warm soap and water in your sink should help keep things fresh.
In high-use situations, in large homes with lots of carpeting or lots of pets, you’ll want to do a thorough weekly inspection and a monthly deep clean. Also, regardless of the size of your home, you’ll want to thoroughly clean or fully replace the device’s filters every three months (depending on the model). Be sure to check the manufacturer’s recommendations.
Bag versus bagless
If you’re considering a self-emptying robot vacuum, you’ll also need to decide whether you prefer a bagged or bagless system.
The Yeedi M12 is one of the many self emptying models that require replacement dust bags.
There are pros and cons to each:
A bag
Benefits
- Cleaning disposal
- Better dust prevention
- The first smell is small
Evil
- Ongoing costs
- Air flow decreases as the bag fills
- It’s not very bright and it’s hard to tell when the bag is full
Those who don’t have a bag
Benefits
- Nothing is usable
- Visible pollution level
- More eco-friendly
Evil
- Messier to empty
- Regular cleaning
- Dust exposure when empty
Bagged systems reduce day-to-day hassle but are more expensive in the long run and can lead to maintenance overload if you’re not careful.
Cost of convenience: Changing bags is not cheap
Although individual maintenance costs are very low, they can add to the lifespan of your ‘bot, especially since you will own it for many years. Replacement wallets will probably cost between $15 and $30 per month, effectively turning your space into a subscription service.
Some models are like new Dyson Spot+Scrub AI avoid this by bringing a bagless trash can that you can easily empty into the trash, but that can come with other disadvantages, such as dust getting into the air when emptying.
Dreme L40s Ultra in its docking station.
Additional dock filters are a separate cost for self-draining models, and prices can vary greatly between manufacturers, though you can expect to spend between $10 and $20 each.
Some robot vacuums also come with recommended cleaning solutions that they will want you to buy from them, naturally, which can be an additional cost.
Another cost is time. While the marketing may lead you to expect a hands-free experience, the reality is that you’ll need to maintain some regularity, and we feature many of these maintenance tips in our guide to keeping your robot vacuum running smoothly.
Four common points to overlook
There is a number of problems which can grow on a self-sustaining basis, often tied to a few common problems.
- Weak suction during the empty cycle: This can mean a partial or full bag closure.
- Common “barrel full” warnings: These may be due to dirty sensors or airflow restrictions in the vacuum.
- The robot misunderstands: Debris around the dock.
- Dust leaking inside the booth: Worn lids or improper bagging.
Is a self-emptying robot vacuum right for you?
The Eufy Omni top station has a different design compared to others we’ve seen.
Whether a self-emptying robot vacuum works best for you depends on your home and your expectations. They are generally well suited for people with busy lives who don’t have time to vacuum every day or two, or for pet owners who aren’t afraid of a little regular maintenance. They also work well for users who like to keep their floors spotless and clean on a regular basis, especially those without children who leave behind toys or large debris that the intake/filter can’t squeeze.
Kumar reports that he is completely satisfied with the self-dumping robots he has tested. “Other than changing the bag maybe once every two months, my only regular job is cleaning the waste water tank. Some of the newer models I’ve tested will also clean the internal pipes with steam or hot water, so there’s less worry about things growing inside. For me, it was a perfect fit and a time saver.”
Dirty and clean water tanks inside the base.
On the other hand, you may want to save your money and skip the automatic withdrawal if you really anticipate a default situation. You may also pass if you are very sensitive to sound or smell, or if you prefer simple, fail-safe devices.
Ultimately, bare foundations are by default a quality-of-life improvement, not a set-it-and-forget-it solution. The best experience comes from regular maintenance; carelessness can actually make them more of a problem than a regular robot vacuum.
