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Comparing 2 robot vacuums

Your shortlist side by side: today’s price, our score and every fact the maker states.

  1. ×
    • Best on the most facts
    Dreo 530S

    € 145Amazon.nl

    not in our ranking Best on 2 facts
  2. ×
    Kärcher AF 20

    On the market since October 2022

    No price today

    not in our ranking

Prices updated at 12:41

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Side by side

Green is the best of these 2, also when they share the lead.

Dreo 530S × Best on 2 facts Kärcher AF 20 ×
The facts that decide most
Lowest price € 145Amazon.nl –
Score not in our ranking not in our ranking
Clean air delivery rate (CADR) higher is better 221 m³/h best 220 m³/h
Room size we compare on higher is better 18 m² best 18 m²
HEPA filter class – H13 HEPA
Filter life longer is better – 12 months
Noise at the lowest speed not judged – 26 dB
Noise at the highest speed not judged – 52 dB
Tests, rank and ratings
Rank – –
Customer rating – –
Running cost
Electricity a year lower is better € 38 a year –
Smart features and warranty
App control Wi-Fi –
Voice assistants Alexa, Google Home –
Matter – no (assumed)
Cleaning performance
CADR measured to DOE test Not stated
CADR for smoke 221 m³/h –
CADR for dust 258 m³/h –
CADR for pollen 257 m³/h –
CADR for fine particles (PM2.5) 238 m³/h –
Room size the maker claims 45 m² 20 m²
Air changes the maker assumes 2 per hour 3 per hour
Filter
Filter layout – One combined filter
Activated carbon filter – yes
Replacement filter part number – 2.863-056.0
Running costs
Energy use a year 148 kWh –
Noise and power
Power at the highest speed 24.6 W 24 W
Energy efficiency (IEF) 5.6 cfm/W –
ENERGY STAR certified yes –
Power on standby – 0.5 W
Air quality sensing
Air quality sensors same on both PM2.5 PM2.5
Automatic mode same on both yes yes
Particle sensor – Laser
Build
Height 39 cm 34.6 cm
Width 238 mm 220 mm
Depth 238 mm 220 mm
Weight 3.24 kg 3 kg
Shape – Tabletop
Extras
Ioniser same on both None None (assumed)
Ozone produced 0 ppb –
Warranty and certification
AHAM Verifide certified yes –
Maker model numbers DR-HAP010S 1.024-820.0

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.

The score is out of 10: 60% measured facts and 40% shop ratings. A model is ranked only when its CADR is known. Method.

Room size
Price
Colour
Customer rating5★
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Discount20% & up
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Room size
What to remove
Allergies
Pets
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Shops
Ecosystems
Number of reviews
Clear all filters 0 of 210 models

No model fits all these filters.

Only models rated at least 5 stars from at least 20 reviews at the shops that report customer ratings. Models with fewer reviews or without a rating fall outside this filter.

Lowest price at every shop that delivers to the Netherlands, VAT and delivery included. * = delivery cost and VAT estimated for a foreign shop.

Air purifier market report, September 2026 No prices yet, but 1 new model.

Frequently asked questions

How big an air purifier do I need?

Match it to the size of the room. Each model in the ranking is grouped by the room size its maker states, and the lists keep a model out when it states none. A common rule of thumb is a clean air delivery rate (CADR) in m³/h of at least 12 times the room’s floor area in m², for a ceiling of 2.4 metres.

What is the difference between HEPA H13 and True HEPA?

Both are high-efficiency filters. True HEPA is the American name for a filter that catches 99.97% of particles of 0.3 micrometres, and H13 is the European class for 99.95%. We read the class the maker states and do not treat a filter called HEPA-type or HEPA-like as either.

Can an air purifier make ozone?

Some can, mostly models with an ioniser or a plasma feature. California limits ozone from indoor air cleaners to 50 parts per billion, and the CARB certification shows a model meets that limit. Our asthma filter leaves out models whose ioniser cannot be switched off.

Whose tests we use

Beside each model we also show where these testers place it in their own lists, without counting it in the score:

How we combine measured facts and owners’ ratings into one score is on the method page.

Looking for a bargain? The air purifiers with a real price drop today →

Looking for something new? The air purifiers launched in the past year →

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