Dreame Z1 Professional robotic pool cleaner evaluate: Rocky begin however a cheerful ending
Knowledgeable’s Score
Execs
- Simple to scrub
- Strong battery life, with a tremendous magnetic charger
- Maybe the most effective cellular app in the marketplace
Cons
- Distant is awkward, sluggish, and tough to make use of
- Required a serious firmware replace to scrub successfully Very, very sluggish
Our Verdict
With pool-mapping capabilities and different good options, the Dreame Z1 Professional is likely one of the most clever robots I’ve examined up to now. Sadly, erratic efficiency and intensely sluggish operation make it in need of excellent.
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From the beginning, Dreame’s Z1 Professional robotic pool cleaner definitely appears to test off all of the bins. Its options record touts nearly all the things: The flexibility to scrub flooring, partitions, and waterline. Massive, twin, front-mounted brushes. Three hours of working time. Cell app help. And a distant management within the field. I’m unsure what the touted “Triple Encompass Fusion Notion System” is, however that sounds good, too.
Specs
I’ll begin with what I preferred essentially the most: After unboxing, I found that the 27-pound robotic provides one of the vital handy charging methods I’ve seen up to now, because of a magnetic charging mechanism that merely snaps onto the gadget’s chassis, with no plugs or rubber gaskets concerned—and no have to hoist the robotic onto a cumbersome charging station, both. There’s even a small microfiber fabric hooked up to the tip of the charging cable for wiping off any moisture on the contacts; that’s a considerate contact.
Dreame’s cellular app is perhaps its coolest function, the primary I’ve seen that may visually map the pool after a run.
The Dreame {hardware} appears to be like powerful, but it surely’s not garish: a silver-and-black gadget with large-wheeled treads and promised help for scrubbing as much as 2,160 sq. toes of pool floor space. The included light-pulse distant expenses through USB-C, and even the distant’s colour and form match the Z1 Professional’s design theme.
The magnetic charging system on prime of the Dreame robotic pool cleaner is a game-changer relating to straightforward recharging. It even comes with a rag hooked up to the twine for wiping the terminals dry.
Christopher Null/Foundry
LEDs on prime of the Z1 Professional present a helpful indication of battery-charging standing and working mode (flooring, partitions, waterline, or all the things, accessed through a single selector button). A top-mounted hatch offers you entry to a single-piece filter basket that pops out simply. The underside of the filter opens on a hinge to permit for straightforward cleansing after a run.
Dreame’s cellular app is perhaps its coolest function, the primary I’ve seen that may visually map the pool after a run. With help for each Bluetooth and Wi-Fi, the app additionally makes it straightforward to get a fast take a look at the robotic’s standing (supplied it’s turned on and out of the water), set cleansing settings remotely, and to configure a routine cleansing schedule in case you depart your robotic within the pool for a number of days at a time. (The non-Professional Dreame Z1 loses a number of options, together with the distant, and prices $200 much less.)

Dreame’s app is the primary I’ve seen that may draw an inexpensive illustration of my swimming pool’s form as soon as it completes a cleansing run.
Christopher Null/Foundry
So, there’s a lot to love right here, which was all of the extra saddening when my preliminary expertise with the gadget didn’t go very properly.
Efficiency
My first subject concerned the distant management. Out of the field, it didn’t work in any respect, unable to activate. Some troubleshooting with Dreame in the end ended with the corporate sending me a brand new one altogether. The brand new distant did work, however not overly properly. A robust inexperienced gentle should be aimed pretty exactly at a sensor on prime of the robotic, with pulses directing the robotic to pause/restart its activity, clear round a sure spot, or return to the floor for retrieval.
However getting the robotic to reply to any of those instructions was an train in each frustration and trial and error, usually requiring as much as a minute of repeatedly stabbing at buttons, waving the distant round, and hoping one thing would lastly stick.
The excellent news was that ultimately, it normally would, although I in the end discovered the distant helpful just for telling it to climb to the waterline so I might retrieve it from the pool. It’s simply too erratic to make use of for a lot else.

The underside of the Dreame Professional Z1 particles basket opens on a hinge for straightforward cleansing.
Christopher Null/Foundry
My subsequent subject with the Z1 Professional was its initially poor cleansing high quality. As I do with all robotic pool cleaners I check, I put the Z1 Professional to work in each natural and artificial situations to gauge its efficiency. After a very huge storm one evening, I woke to search out the right testing situations in a pool stuffed with particles. I dropped the Z1 Professional within the pool and watched it get to work. Three hours later, I retrieved the robotic to search out its filter basket lower than half full, and the pool wanting like subsequent to no cleansing in any respect had occurred. (I then dropped in one other robotic, which took care of issues far more successfully.)
I noticed comparable outcomes with artificial leaves scattered within the pool: The Z1 Professional was solely capable of scoop up about two-thirds of the leaves, leaving the remainder behind and huge areas of the pool clearly untouched. That’s in regards to the worst efficiency I’ve ever seen in a premium-priced pool robotic like this one.
A fortuitous firmware replace
Fortuitously, Dreame pushed a firmware replace throughout my testing, and after a complete of six full cleansing runs (plus a number of shorter periods), I used to be lastly capable of see efficiency enhance considerably. Finally I used to be capable of obtain a cleansing price of about 90 %. That’s good however not nice, and it nonetheless left behind seen particles even on its finest days, notably on and round steps.

The Dreame app can management and report on the Z1 Professional over both a Bluetooth or Wi-Fi connection.
Christopher Null/Foundry
Observing the Dreame in motion reveals just a little about what is likely to be happening, as operations didn’t at all times make numerous sense. At one level, about midway via the run, I discovered the robotic stopped in the course of the pool, spinning round and round in a single spot for practically 10 minutes. Was it mapping the partitions? Pondering the longer term? Plotting towards me? Finally it did at the very least get again to work, ending the remainder of the cleansing activity with out incident. That stated, the robotic is likely one of the slowest—if not absolutely the slowest—I’ve ever seen, actually crawling throughout the ground of the pool at a turtle’s tempo. Its lack of velocity could also be a contributing subject to its efficiency, as particles is at all times transferring in a pool.
When completed, the robotic climbs to the waterline and waits for retrieval (nonetheless chugging away to maintain itself moored in place, as it may possibly’t float in any other case), however just for 5 minutes, after which it sinks again to the underside and should be retrieved through the included hook or through distant management. If you wish to seize it when it’s docked, preserve a detailed eye in your cellular app notifications.

The Dreame Z1 Professional is likely one of the most clever robotic pool cleaners we’ve examined. However intelligence alone doesn’t make for a top-tier performer.
Christopher Null/Foundry
The Dreame app was surprisingly profitable at mapping my pool, offering an inexpensive facsimile of what my L-shaped pool appears to be like like, at the very least as soon as. Once more, this was the primary among the many pool robots I’ve examined through the years to do that. However subsequent runs weren’t as stable, leaving me with a map that regarded extra like a dunce cap.
This evaluate is a part of TechHive’s in-depth protection of the finest robotic pool cleaners.
The report issued on the finish of every run was normally correct, although once more, not at all times: As soon as I acquired a be aware {that a} near-two-hour run had cleaned simply 3 sq. meters of the pool. Different odd errors, like a mysterious “charging error” within the log whereas the unit was 100-percent charged, defied clarification.
Do you have to purchase the Dreame Z1 Professional?
At $1,099, the Dreame Z1 Professional has a premium worth, and customers could be properly justified to demand the best tier of efficiency from it. A few of its options are extraordinarily compelling, particularly its app.
However to benefit a wholesale suggestion, I’d have to see one other step up in cleansing efficiency. May one other firmware replace ship it?