Comparing 3 robot vacuums
Your shortlist side by side: today’s price, our score and every fact the maker states.
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- Highest score
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- Cheapest today
Prices updated at 09:43
Side by side
Green is the best of these 3, also when they share the lead.
Drag a model by its header to move its column, or use the arrows.
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| The facts that decide most | |||
| The lowest price today at a shop that delivers to you, delivery included. A price with an asterisk comes from a shop abroad, and its delivery cost is our own estimate. Lowest price | € 467bol.com | € 299Coolblue best | – |
| Our own score out of 10: 60% measured facts and 40% shop ratings. Price does not count. Score | best | not in our ranking | |
| How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster. In this comparisonWhen it matters
When it matters less
Source
| 578 m³/h | 500 m³/h | 773 m³/h best |
| The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule. In this comparisonWhen it matters
When it matters less
Source
| 48 m² | 42 m² | 64 m² best |
| How fine the filter is. True HEPA and H13 catch at least 99.97% of particles at 0.3 microns. HEPA-type is a weaker claim with no test behind it. When it matters
When it matters less
Source
| True HEPA | Not stated | HEPA-type |
| How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less. In this comparisonWhen it matters
When it matters less
Source
| 12 months best | 12 months best | 9 months |
| The sound level at the lowest speed, as the maker measures it. In this comparisonWhen it matters
When it matters less
Source
| 39 dB | 23 dB | 23 dB |
| The sound level at the highest speed, as the maker measures it. In this comparisonWhen it matters
When it matters less
Source
| 59 dB | 56 dB | 55 dB |
| Tests, rank and ratings | |||
| Where the model stands in our ranking, among the purifiers for the same size of room. Rank | rank 14 of 21 for open-plan spaces | rank 16 of 21 for open-plan spaces | – |
| The average of the stars buyers give at the shops, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | – | – |
| Running cost | |||
| What the filters cost over a year, at the lowest shop price for each filter today and the filter life the maker states. It moves with the shop prices. Filters a year lower is better | – | € 58 a year | – |
| What the electricity costs over a year, on the yearly use the energy label states and the market’s tariff. Lower is better. Electricity a year lower is better | – | – | € 61 a year |
| Smart features and warranty | |||
| Whether you can control the purifier from a phone app, over wifi or only nearby over Bluetooth. When it matters
When it matters less
Source
| None | Wi-Fi | Wi-Fi |
| Matter is the standard that lets devices from different makers work together. With it you can run the robot outside the maker’s own app. When it matters
When it matters less
Source
| no (assumed) | no (assumed) | no (assumed) |
| Which voice assistants the robot works with, such as Google Assistant or Alexa. When it matters
When it matters less
Source
| – | Alexa, Google Assistant | Alexa |
| Cleaning performance | |||
| The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not. Source
| The maker's own test | Not stated | DOE test |
| The CADR measured with tobacco smoke, the finest of the three test particles. It is the figure to read for wildfire smoke. In this comparisonWhen it matters
When it matters less
Source
| 578 m³/h | – | 773 m³/h |
| The room size the maker states. Makers use different rules, so we show it but never rank on it. In this comparisonSource
| 59 m² | 120 m² | 65 m² |
| The largest room the purifier kept clean in Coolblue’s own test with fine particles. It is Coolblue’s measurement, not ours, and it does not count in our score. Source
| – | 120 m² | – |
| The CADR measured with dust. Source
| – | – | 737 m³/h |
| The CADR measured with pollen. When it matters
When it matters less
Source
| – | – | 765 m³/h |
| The CADR measured for particles under 2.5 microns. Source
| – | – | 754 m³/h |
| Filter | |||
| Whether the particle and carbon layers are one filter or separate ones. Separate filters let you replace only the part that is spent. When it matters
When it matters less
Source
| Separate filters | One combined filter | One combined filter |
| A filter of activated carbon that takes out smells and some gases. It does not catch particles. When it matters
When it matters less
Source
| yes | yes | yes |
| How many filters the purifier holds, each a part to replace. In this comparisonSource
| 2 | 1 | 1 |
| Replacement filter part number | – | Filter GR; 1712-0118-04 | 112973 |
| Running costs | |||
| How long the carbon filter lasts before it needs replacing, as its maker states it. Where it is a separate part, it is bought on its own schedule. In this comparisonWhen it matters
When it matters less
Source
| 6 months | 12 months | – |
| The electricity the purifier uses in a year, as its maker states it. Multiply it by your price per kWh for what it costs to run. When it matters
When it matters less
Source
| – | – | 235 kWh |
| Noise and power | |||
| The power the purifier draws at its highest speed. In this comparisonSource
| 110 W | 45 W | 42 W |
| Air delivered for each watt, the ENERGY STAR measure. Higher is better. Source
| – | – | 11.1 cfm/W |
| Certified by ENERGY STAR for the energy it uses to clean the air. Source
| – | – | yes |
| Air quality sensing | |||
| The fan speed follows the air quality the sensor reads. When it matters
When it matters less
Source
| yes | yes | yes |
| What the purifier measures in the air. A particle sensor lets it speed up and slow down by itself. When it matters
When it matters less
Source | – | PM2.5 | PM1, PM2.5, PM10 |
| Build | |||
| How tall the purifier is. It decides whether it fits on a shelf or under a window sill. In this comparisonWhen it matters
When it matters less
Source
| 58.4 cm | 51.8 cm | 43.7 cm |
| How wide the purifier is. With its depth it decides how much floor it takes up. In this comparisonWhen it matters
When it matters less
Source
| 400 mm | 286 mm | 393.7 mm |
| How deep the purifier is, front to back. In this comparisonSource
| 210 mm | 286 mm | 393.7 mm |
| What the purifier weighs. It counts most if you move it from room to room. In this comparisonWhen it matters
When it matters less
Source
| 8.2 kg | 4.7 kg | 6 kg |
| The purifier’s shape: a small tabletop unit, a tall tower, a box that stands on the floor or a unit mounted on the wall. When it matters
When it matters less
Source
| – | Floor box | Floor box |
| Extras | |||
| An ioniser charges particles so they stick to walls and furniture instead of the filter, and some come loose again later. Some also make ozone, which irritates the airways and can turn scents in the room into formaldehyde. That is why a switch to turn it off matters. When it matters
When it matters less
Source
| Can be switched off | Can be switched off | None |
| Certified by the California Air Resources Board as making little ozone. Source
| – | – | yes |
| The ozone the purifier gives off, in parts per billion. California allows at most 50. When it matters
When it matters less
Source
| – | – | 3 ppb |
| Warranty and certification | |||
| The warranty the maker gives in the Netherlands. Consumer law here stands apart from it and can last longer. In this comparisonWhen it matters
When it matters less
Source
| 2 years | 2 years | 1 year |
| Maker model numbers | AD3500 | AT8U457-NWE | – |
| The CADR is verified by AHAM, the US trade body that runs the test. Source
| – | – | yes |
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.