AIRROBO GT21
No lab has tested it yet, so it is not in our ranking.
- 180 minRuntime per chargelonger than 6 of 11
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Before you buy, compare it with 2 recommended alternatives
No shop 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 AIRROBO GT21 Best on 1 fact | Cheapest of the top 10 ILIFE A30 Pro Best on 2 facts | Highest score here Roborock S8+ Best on 2 facts | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | € 164bol.com best | € 429bol.com |
| Score | not in our ranking | best | |
| Rank | – | rank 5 of 10 with an auto-empty station | rank 1 of 10 with an auto-empty station |
| Customer rating | – | – | – |
| Mopping | |||
| Mop type | – | flat or vibrating pad | flat or vibrating pad |
| Mop lift on carpet higher is better | – | – | 5 mm |
| Station | |||
| Station same on all | auto-empty station | auto-empty station | auto-empty station |
| Dust bag lasts longer is better | up to 60 days best | up to 49 days | up to 49 days |
| Brush and obstacles | |||
| Anti-tangle brush | – | – | yes |
| Obstacle avoidance | – | – | 3D sensor (structured light) |
| Climbs thresholds up to higher is better | – | 15 mm | 20 mm best |
| Size, noise and age | |||
| Robot height lower is better | – | 9.5 cm best | 9.7 cm |
| On the market since | – | – | March 2023 |
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.
AIRROBO GT21 specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Consumables: a 3.5 l dust bag in the station, which lasts up to 60 days.
Suction and brushes 1 fact
- Suction power
Suction in pascal, as the maker measures it. More pascal helps on carpet, but it says little about how well the robot picks grit off a hard floor.
- 2,600 Pa
Mopping 1 fact
- Water tank in the robot
How much clean water the robot carries. It sets how long it mops before a refill, which a dock does by itself.
- 340 ml
Dock 3 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
- Dust bag capacity
How much the dust bag in the dock holds.
- 3.5 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
Navigation and obstacles 1 fact
- 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 recognises more.
- LiDAR turret
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.
- 180 min
Sources: amazon.de
