iRobot - s9
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Reddit Reviews:
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Last updated: Jul 19, 2025 Scoring
Liked most:
23
5
"The Roomba S9 is way better in that regard."
"It does an incredible job of getting into corners and pulling hair out of rugs"
"Still vacuums way better than any modern robot I've seen... ... How much it pulls out of carpet"
28
5
"It does an incredible job of getting into corners and pulling hair out of rugs"
"I was honestly surprised at how well it did ... We run it almost daily to keep up with the tumble weeds that congregate along the hall walls and heat registers."
"Carpet cleaning is leaps ahead of other brands, except Dyson"
16
6
"The Roomba S9 is an incredible vacuum and very good with lots of hair on both hardfloor and carpet."
"It does an incredible job of getting into corners and pulling hair out of rugs"
"I was honestly surprised at how well it did ... We run it almost daily to keep up with the tumble weeds that congregate along the hall walls and heat registers."
14
11
"make the easiest to repair robots on the market ... I will stick with iRobot purely for the customer service and repair ability. ... you can pretty much replace anything. If not from iRobot, you can find stuff on eBay."
"I’ve had my s9 for going on six years. ... Four dogs, two homes, combo carpet and hardwood."
"Been running daily for about 5 years."
5
1
"The one big thing I did really appreciate is the self empty canister that I only needed to change monthly or so."
"Roomba S9+ is second, and provides the important convenience of auto-empty. Nothing else is in the ballpark for carpet cleaning. ... Pretty much all objective tests from various reviewers have highlighted the prowess of the Roomba S9 and lamented the poor carpet cleaning ability of Roborocks."
"It self empties, so if it fills up, it empties and goes back to where it left off."
Disliked most:
0
4
"the roomba gives zero craps if the rollers are hitting strong resistance and will just keep trying to spin. ... So with huskies filling the house with new massive fur tumbleweeds on a daily basis, the rollers would A) get animal hair wedged into their metaly rotatey motor parts almost instantly, B) keep spinning at full blast until they almost catch fire. ... house would smell like burnt plastic mixed with burnt hair after a run."
"or the rollers don’t load up with hair and melt the CHM."
"I had to do pre-screens for dog hair every time we ran either model, because otherwise there was a good chance the house would smell like burnt plastic mixed with burnt hair after a run. ... The rollers had to be fully removed and cleaned after *every run*, sometimes even mid-run."
3
13
"I also have to be careful to pick everything up or it will get stuck after destroying my kids toys."
"my 18 month old s9+ unit that has been broken for last 4 months!!!! ... the robot is reporting an issue with them [cliff sensors], this is what is causing the undocking issues as well. ... a major part replaced at 2 1/2 mths old and then 12 months later is broken again"
"My s9 gets stuck on a 9 mm treshhold. ... That's where mine got stuck. Every damn time."
0
9
"my 18 month old s9+ unit that has been broken for last 4 months!!!! ... the robot is reporting an issue with them [cliff sensors], this is what is causing the undocking issues as well. ... a major part replaced at 2 1/2 mths old and then 12 months later is broken again"
"this one errors saying the bin is full, it's not full I just saw and heard it empty out. ... The fix we are using is to force the unit to empty the bin via the app, once that happens it goes oh yeah we're good and starts vacuuming again. ... It turns a 2 hour job into a 6 hour job as we're not sitting here waiting to mash buttons that we shouldn't have to. ... There is nowhere in the app or web portal where you can force a firmware download, I think it's what this unit needs."
"the software is absolute garbage and a vacuum is completely useless if it can navigate correctly."
8
13
"the roomba gives zero craps if the rollers are hitting strong resistance and will just keep trying to spin. ... So with huskies filling the house with new massive fur tumbleweeds on a daily basis, the rollers would A) get animal hair wedged into their metaly rotatey motor parts almost instantly, B) keep spinning at full blast until they almost catch fire. ... house would smell like burnt plastic mixed with burnt hair after a run."
"or the rollers don’t load up with hair and melt the CHM."
"The S9 ended up in pieces."
1
5
"Their support sucks for my 18 month old s9+ unit that has been broken for last 4 months!!!! ... We do not offer a repair for this issue, since the replacement is not possible. ... Since the robot is no longer covered by its warranty, I cannot offer you any solutions other than the discount and trade-in. ... they refuse to even offer repair services"
"And guess what, they don’t have them in stock, I just checked."
"the motor failed in one of them, 1 month outside of warranty. ... Reaching out to the local Roomba rep, they don't have parts and don't know when they are due to come in, might not honour the warranty and I need to send it to the other side of the country, freight and inspection at my expense. Cost prohibitive. ... the paperwork that came with the motor said replace every 4 months, uh what?"
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