Roomba Max 705 Combo robot + AutoWash dock

Just bought the roborock and am very happy with it. Pretty surprised at how well it worked. 10x better than the iRobot 705 max combo I bought and had to return within 2 weeks of use.

The mopping performance of their current bots (505 Combo and 705 Combo) is actually very good, arguably the best on the market due to the Y pattern movement. 

And the 705 has an option to turn on Y pattern mopping and then it mops so much better.

Does yours actually heat while it’s performing an auto wash? Mine is set to 161° but it is clearly not getting anywhere close to that temperature. After a few days, it is not smelling good either - which should be avoided as 161° is hot enough to eliminate most bacteria that cause smell smells.

I think the reason for distilled water is so that the minerals in tap water don't cause build up in the heating element. Mine is still not heating and after 2 weeks of using it and having emptied and washed the brush roll, dirty water tanks, base multiple times, I am about ready to send it back. It's starting to just smell musty, and that shouldn't happen if it would actually heat to 161 degrees. Let me know how yours does.

Hmm sounds like I might have a defective unit. I’m still within the return period. So I think I’ll just exchange it. Thanks for sharing the information and hope you have a good luck with yours. Fingers crossed I get a good replacement.

Yeah, it seems like it’s probably working in your case thankfully. In my case, everything is cold immediately after it finishes. 😭 I think I’m just going to try having them exchange it. I’ve had probably over a dozen different model Roomba’s since 2004 and never really had an issue like this so I’m just going to chalk it up to this being a one off incident.

Every time I hear through Google Home that my S9+ has gotten stuck and needs help, it tempts me to buy one of the new lidar models.. Then I remember how horrible my Max 705 Combo performs in hardwoods, and it makes me thankful to still have my S9+ for my carpeted upstairs..

The Roomba Max 705 Combo does, and is achieved by filling the robot with hot water in between each room. I’ve measured the mop roller temperature using a thermal camera and starts at 101°s and by the time it’s finish with a large room, it’s down to about 90°.

Do you notice if it sucks water into the dry when running the mop & vacuum? That’s one of the major issues I’m having with my Roomba Max 705 Combo (along with the auto wash constantly clogging)… My S2 should arrive by the end of the month..

I pre-ordered it to replace my Roomba Max 705 Combo that Amazon is taking back. I went with the Eufy S2 over the other roller mop robots because of the electrolyzed water function. I like the idea of the system preventing bacterial buildup in the mop roller. I’m also hoping it will help with the dock dirty water tank in preventing smells. The Roomba is just rancid after about a week. I think I’ll inevitably get the auto drain and refill kit for this robot if I end up keeping it.

I currently have a Roomba Max 705 Combo, and after 4 replacements, I think it's time to abandon this model. I am considering the Eufy Omni S2 or the Dyson Spot+Scrub Ai (improved Roomba/Picea design?). We have mostly Shaw engineered hardwood floors where this unit will run, and I am concerned that the "electrolyzed" water (ozonated?) will damage the finish. Any experience with the previous S1 or current S2 and engineered hardwoods?

I’ve noticed the dirty water tank in the robot and dock start to smell horrible on the 705 combo after a few days. The dock is especially unbearable, unless I add a scoop of Oxiclean to the docks empty dirty tank after it’s been cleaned. How did your S1 compare to the 705 in that regard? The electrolyzed water system intrigues me because it should theoretically keep the mop system much more sanitary.

Funny you should mention that about the Dyson.. My Roomba Max 705 Combo (same platform) has failed for the 4th time, due to the mopping system becoming clogged by pet hair. The Eufy interests me due to the electrolyzed water as that should help prevent bacterial growth in the dirty water tank and in the mop components. The Roomba’s dirty water tank starts to smell very bad after just a few days, unless I add a scoop of oxiclean to the docks dirty water tank every time I empty and rinse it. That will control smells for about a week in my experience. Do you think the Narwal flow would handle pet hair better than the Eufy S2?

I've been comparing the Flow and the Roomba 705 Combo side-by-side, and the Roomba's roller does have quite a bit more cleaning prowess than the Flow. Particularly it can clean out crevices and grooves much better. I'm not yet sure if it's because of its round shape, it's bristles, or the Y-pattern it does in "Smart Scrub".

There are a few compromises to be aware of. I've had a Saros 10 for almost a year, but I still send my Roomba J9 out once in a while to clean up what the Saros misses. I also have the Narwal Flow, Roomba 705, previously had Dreame and Ecovacs, and nothing can clean tight around chair legs, round table pedestals, etc. as well as the classic Roombas. Roomba roller brush design also picks up hair, fur, and fuzz on rugs much better than any other brand, regardless of reported power. Also, LIDAR-based robots won't clean under curtains or bedding like classic Roombas could. I'm only aware of Dreame/Mova having a setting to accommodate this. The Roombas (old and new) also have more advanced voice control via Google/Siri/Alexa that allows just vacuuming, and can specify zones in addition to rooms. All other brands can only "clean" which wastes time and water when you just need a quick vacuum. Also, the Roomba app is just way more efficient to use. Not saying the move isn't worth it overall, but there are some sacrifices to be aware of.

I currently have and have been testing the Narwal Flow, Ecovacs X11, and Roomba 705. Of these, the Roomba cleans hard floors the best, has a better app experience, is lowest maintenance, and has the best price (sorry you had trouble with yours, mine has been amazing). The Narwal is the quietest and most refined (makes smooth u-turns unlike any other). It also has the best object avoidance. The ecovacs has the best carpet cleaning.

Picea has committed to maintaining the Roomba brand. There shouldn't be any concern.

The 705 combo has a roller mop and the normal iRobot dual brush roller design. And if I’m remembering correctly it has higher suction as well.

I'm still running a Roomba S9+ and I'm yet to find something else that can handle my specific requirements. It's carpet performance is unmatched in real world performance. I do also have a Roborock Qrevo S, which was bought to replace the S9+, but it does nothing better than the Roomba (for my use case) other than the fact it can mop. I'm holding out for the Roomba 705 Combo that's apparently dropping in the next couple of months. The 705 doesn't match the carpet performance of the S9+ but if it can do a half decent job at carpets and also mop my one room with a hard floor then I'll probably end up purchasing that.