iRobot Roomba Combo j5
No lab has tested it yet, so it is not in our ranking.
Is the iRobot Roomba Combo j5 right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
Beside it, two models on sale today that come closest to it on score and price, with the same kind of station where we have them.
Green is the best of these 3, also when they share the lead.
| This model iRobot Roomba Combo j5 | Higher score, 78% cheaper Tikom G8000 Max Best on 4 facts | Higher score, 73% cheaper Roborock Q7 M5 Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | $599Amazon.com | $129Amazon.com best | $159Roborock (brand store) |
| Score | not in our ranking | best | |
| Rank | – | rank 1 of 8 without a station | rank 2 of 8 without a station |
| Customer rating | ★ 3.6 · 568 reviews | ★ 4.4 · 4,883 reviews best | ★ 4.0 · 5,612 reviews |
| Mopping | |||
| Mop type same on all | flat or vibrating pad | flat or vibrating pad | flat or vibrating pad |
| Mop lift on carpet higher is better | – | – | no |
| Automatic mop detach | – | – | no |
| Washes the mop | – | – | no |
| Hot-air drying | – | – | no |
| Station | |||
| Station same on all | charging dock only | charging dock only | charging dock only |
| Dust bag lasts longer is better | – | – | up to 30 days |
| Plumbing hookup | – | – | no |
| Brush and obstacles | |||
| Anti-tangle brush | – | – | yes |
| Obstacle avoidance | AI camera | none | – |
| Climbs thresholds up to higher is better | 0.6 in (16 mm) | 0.7 in (18 mm) | 0.8 in (20 mm) best |
| Climbing system for high thresholds | – | – | no |
| Size, noise and age | |||
| Robot height lower is better | 3.4 in (8.6 cm) | 3 in (7.6 cm) best | 3.9 in (9.9 cm) |
| Noise not judged | – | – | 65 dB |
| On the market since | August 2023 | March 2025 | April 2025 |
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.
Prices per store
On October 4, 2026 the lowest price for the iRobot Roomba Combo j5 is $599 at Amazon.com, shipping to the United States included.
All prices include shipping to the United States. Sales tax is added at checkout. We may earn a commission when you buy through these links. It never changes our ranking.
| Store | Color | Price | Delivery time and returns | Reviews | Checked | Link to the store |
|---|---|---|---|---|---|---|
 Amazon.com blacklowest price | black | $599lowest price in 90 days: $196 | about 1–5 dayslowest price | ★ 3.6 (568) | 7 hours ago | Visit store ↗ |
Price history
iRobot Roomba Combo j5 specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
iRobot · on the market since August 2023
Dimensionsrobot and dock
From the published dimensions. The robot passes under furniture with 3.5 in of clearance or more.
Suction and brushes 1 fact
- 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
Navigation and obstacles 4 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.
- camera
- Obstacle avoidance
How the robot sees loose things on the floor, such as cables, socks or a pet accident. A camera with depth sensing sees more than a bumper that reacts on contact.
- AI camera
- 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)
- Camera on board
Whether the robot has a camera, and what for: to recognize obstacles, or also to show you a live picture of your home in the app.
- obstacle camera
Robot 4 facts
- Robot height
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 3.4 in (8.6 cm)
- Robot diameter
How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin.
- 13.3 in (33.8 cm)
- Robot weight
What the robot weighs. It counts most if you carry it up a staircase every day.
- 7.5 lb (3.4 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.
- 400 ml
Battery 2 facts
- Battery capacity
The capacity of the battery. It hints at the runtime, but how much the robot draws counts just as much.
- 2,210 mAh
- 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 3 facts
- Voice assistants
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant, Siri
- Warranty
The warranty the maker gives in the United States.
- 1 year
- 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 · homesupport.irobot.com · vacuumwars.com · home-assistant.io
Frequently asked questions about the iRobot Roomba Combo j5
Can the iRobot Roomba Combo j5 mop?
Yes, with a flat mop cloth under the robot.
Does the iRobot Roomba Combo j5 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 j5 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 j5 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 j5 run on one charge?
75 minutes on its quietest setting.
How much warranty does the maker give on the iRobot Roomba Combo j5?
1 year in the United States. Your statutory rights are separate and can last longer.
