RightRobot Learn
Does a bigger Pa suction number mean better cleaning?
Pascal figures are easy to compare, so they naturally become headline marketing numbers. Unfortunately, a robot is a complete cleaning system: the brush, air path, floor contact and route all affect what actually reaches the bin.
The useful versionPa tells you about claimed pressure, not the final cleaning result.
What actually matters
Pa is a useful suction-pressure specification, but floor pickup also depends on airflow, brush design, floor sealing, navigation, cleaning passes and how the robot handles different debris. Pet hair is a good example: strong suction helps, but the brushroll, anti-tangle design and air path can matter just as much.
- Higher suction can help, but it cannot compensate for a poor brush or weak floor contact.
- Carpet deep cleaning and pet-hair pickup are better judged with controlled real-world tests.
- Cross-brand Pa figures are not a universal performance score because test methods are not necessarily identical.
Turn the tech into a decision
RightRobot weighs this alongside the rest of your home.
You do not need to translate every specification yourself. Tell RightRobot what matters in your home and it will use the relevant evidence in context.
Find my robot →