iRobot Roomba Combo i3+
No lab has tested it yet, so it is not in our ranking.
- 3.6 inRobot heightlower than 8 of 10
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Before you buy, compare it with 2 recommended alternatives
No store here sells this model today, so beside it the highest-scored model with the same kind of station that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model iRobot Roomba Combo i3+ Best on 1 fact | Cheapest of the top 10 ILIFE A30 Pro Best on 2 facts | Highest score here Dreame D20 Plus Best on 4 facts | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | $249Amazon.com best | $309Amazon.com |
| Score | not in our ranking | best | |
| Rank | – | rank 3 of 14 with a self-emptying station | rank 1 of 14 with a self-emptying station |
| Customer rating | ★ 3.2 · 580 reviews | ★ 4.2 · 12,009 reviews best | ★ 4.2 · 3,676 reviews best |
| Mopping | |||
| Mop type same on all | flat or vibrating pad | flat or vibrating pad | flat or vibrating pad |
| Washes the mop | – | – | no |
| Station | |||
| Station same on all | self-emptying station | self-emptying station | self-emptying station |
| Dust bag lasts longer is better | up to 60 days | up to 49 days | up to 150 days best |
| Brush and obstacles | |||
| Anti-tangle brush | yes | – | yes |
| Climbs thresholds up to higher is better | 0.6 in (16 mm) | 0.6 in (15 mm) | 0.8 in (20 mm) best |
| Size, noise and age | |||
| Robot height lower is better | 3.6 in (9.1 cm) best | 3.7 in (9.5 cm) | 3.8 in (9.7 cm) |
| On the market since | – | – | – |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
iRobot Roomba Combo i3+ specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Consumables: a 2.5 l dust bag in the station, which lasts up to 60 days.
Dimensionsrobot and dock
From the published dimensions. The dock needs a spot 12.2 in wide and 15.8 in deep.
Suction and brushes 3 facts
- Anti-tangle brush
A brush that guides hair to the side instead of letting it wind around the shaft. It saves the cutting work in homes with long hair or pets.
- yes
- Suitable for pet hair
Whether the robot copes with pet hair: a brush that hair does not wind around and a dock that empties the bin for you. Where the maker does not say so itself, we read it from those two.
- yes
- Dirt detection
A sensor notices where more dirt lies, at the doormat for example, and the robot cleans that patch longer or a second time.
- yes
Mopping 1 fact
- Mop type
How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works.
- flat or vibrating pad
Dock 5 facts
- Empties the dust bin
The dock empties the robot’s dust bin, usually after every run. You only empty the dock’s bag or bin.
- yes
- Bagless
The dock collects dust in a bin instead of a disposable bag. No bags to buy, but you empty it yourself.
- no
- Dust bag capacity
How much the dust bag in the dock holds.
- 2.5 l
- Dust bag lasts
How long the maker says a dust bag lasts with daily use. With pets or a lot of carpet it is shorter.
- up to 60 days
- Dock size (w × d × h)
The width, depth and height of the dock. Measure the spot you have in mind, and leave room for the lid and for the robot driving in.
- 12.2 × 15.8 × 13.3 in (31 × 40.1 × 33.8 cm)
Navigation and obstacles 3 facts
- Navigation
How the robot maps your home and follows that map. Lidar measures with a laser and works in the dark, a camera looks along and recognizes more.
- gyroscope
- Climbs thresholds up to
The highest threshold the robot takes, as the maker states it. Measure your own: the step into a bathroom or onto a balcony is often higher.
- 0.6 in (16 mm)
- Room-by-room cleaning
You pick one or more rooms on the map in the app, and the robot cleans only those.
- yes
Robot 3 facts
- Robot height
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 3.6 in (9.1 cm)
- Robot weight
What the robot weighs. It counts most if you carry it up a staircase every day.
- 7 lb (3.18 kg)
- Dust bin in the robot
How much dust the robot holds before you empty it. It matters less with a self-emptying dock, which empties the bin after every run.
- 500 ml
Battery 1 fact
- Runtime per charge
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 75 min
Smart features and warranty 4 facts
- Voice assistants
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant, Siri
- Scheduled runs
You set days and times, and the robot starts by itself, also when you are not at home.
- yes
- Wi-Fi band
Which Wi-Fi the robot connects to. Many robots only use 2.4 GHz, so check that your router still broadcasts it.
- 2.4 GHz
- Home Assistant
Whether the robot works with Home Assistant, the home automation software you run yourself. Official means the integration comes with Home Assistant itself, community that volunteers maintain it.
- official integration
Sources: amazon.com · irobot.com · vacuumwars.com · homesupport.irobot.com · home-assistant.io
Frequently asked questions about the iRobot Roomba Combo i3+
Does the iRobot Roomba Combo i3+ empty its own dust bin?
Yes. The station empties the robot’s dust bin after every run. The 2.5 l dust bag in the station lasts up to 60 days, the maker says.
Can the iRobot Roomba Combo i3+ mop?
Yes, with a flat mop cloth under the robot.
Does the iRobot Roomba Combo i3+ work with Alexa, Google Home or Siri?
It works with Alexa, Google Assistant and Siri. Home Assistant has an official integration for this model.
How high a threshold can the iRobot Roomba Combo i3+ climb?
Thresholds up to 0.6 in (16 mm), the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.
Does the iRobot Roomba Combo i3+ fit under low furniture?
The robot is 3.6 in (9.1 cm) tall, so it fits under furniture with at least 3.6 in of clearance. It has no turret on top.
Is the iRobot Roomba Combo i3+ suitable for pet hair?
Yes, the maker says. The brush guides hair to the side instead of winding it around the roller.




