# iRobot Roomba Combo j9+

- Page: https://bestatbest.com/us/robot-vacuums/irobot-roomba-combo-j9-plus
- Not sold at any store we monitor today, so not in our ranking.
- No store we follow has this model in stock today.

## Our score

- Score 4.1 out of 10
- Lab tests, 60% of the score: 5.8, measured by Vacuum Wars.
- Owners’ ratings, 25%: 0.0, from 690 ratings averaging 2.6 stars at Amazon.
- Features, 15%: too few facts known yet, so this part is left out.
- Deep clean on carpet: 8.8
- Pet hair: 7.3
- Mopping: 3.5
- Obstacle avoidance: 5.5
- Navigation: 4.2
- Vacuum Wars: the test (read on September 29, 2026), https://youtu.be/VhAs2GPR33I
- Price does not count, so a discount never lifts a model. Only robots a lab has tested are ranked.

## The testers’ picks

- Vacuum Wars: Position 116 of 151 (list as of September 26, 2026), https://vacuumwars.com/vacuum-wars-best-robot-vacuums/

## Frequently asked questions about the iRobot Roomba Combo j9+

**Does the iRobot Roomba Combo j9+ 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 j9+ mop?**

Yes, with a flat mop cloth under the robot.

**How high a threshold can the iRobot Roomba Combo j9+ 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 j9+ fit under low furniture?**

The robot is 3.4 in (8.6 cm) tall, so it fits under furniture with at least 3.5 in of clearance. It has no turret on top.

**How long does the iRobot Roomba Combo j9+ run on one charge?**

120 minutes on its quietest setting.


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