
Top rated Air purifiers
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1. Xiaomi Smart air purifier 4
Breathe freely with the air purifier from Xiaomi. The Smart Air Purifier 4 allows allergy sufferers to take a deep breath. This little helper cleans your indoor air from dust, pollen, cigarette smoke, fine particles, and other allergens. It can be controlled via the MI Home app, Alexa, and Google Assistant. The modern design fits seamlessly into your interior.
Pro
- Quiet as long as no defect :P
- Easy to operate (on the device or with app)
- cool design
Contra
- quite large
- Display cannot be switched off completely
- App collects too much data

2. Xiaomi Smart Air Purifier 4 Compact
The Xiaomi Smart Air Purifier 4 Compact offers peace of mind and all-day protection for anyone who suffers from allergies. The air purifier protects the health of your airways by keeping the air in your home clean and safe to breathe. This is ensured by a highly efficient filter system that removes up to 99.97 per cent of particles down to a size of 0.3 micrometres. In addition to the highly efficient filter system, this compact air purifier is also effective against pollen, animal hair and other allergens. The quiet and energy-efficient brushless DC motor operates in quiet mode with a noise level of just 20 dB and a maximum power consumption of 27 W.
Technical data
Category: Air purifier
Room area: 27 m²
Max. Air circulation: 230 m³/h
CADR value: 230 m³/h
Noise level (max.): 50 dB
Data analysis: Device display
Additional functions: App control
Smart home ecosystem: Amazon Alexa, Google Assistant.
Pro
- Very quiet when necessary
- Super design
- Good app connection
Contra
- Filter somewhat expensive
- Xiaomi Home app is somewhat mixed (few settings, no graph overview of the AQI)
- Filters are expensive

3. Xiaomi Smart Air Purifier 4 Pro
Clean and healthy air at home. Finally breathe easy with the air purifier from Xiaomi. The Xiaomi Smart Air Purifier 4 Pro allows allergy sufferers to take a deep breath. This little helper cleans your indoor air of dust, pollen, cigarette smoke, fine particles, and other allergens. It can be controlled via the MI Home app, as well as through Alexa and Google Assistant. Its modern design blends seamlessly with your interior.
Pro
- runs very quietly at the lowest level (normal case)
- Beautiful design
- Can be controlled via app or manually via display
Contra
- a little too big
- Programming times in the app is tedious
- Not quite cheap replacement filters

4. Stadler Form Roger little
Sensitively achieves cleaner air in smaller spaces
Auto mode adjusts cleaning performance automatically
Air quality indicator continuously shows current air quality
Reliable filtration of particles & gases thanks to a HEPA and activated carbon filter
Roger little - the quiet, efficient air purifier for small rooms - filters pollutants such as fine dust, pollen, viruses and bacteria from the air. He measures the quality of the air continuously, detects gaseous pollutants such as unpleasant odours or volatile organic compounds (VOCs) immediately and reliably filters them out of the air. His washable pre-filter protects the Dual Filter (HEPA and activated carbon filter) and extends its service life.
Pro
- Very quiet at night
- Good design
- 5 levels, inaudible at night at level 1
Contra
- expensive for nothing
- App (disaster)
- no gas sensor

5. Stadler Form Roger
Sensitively achieves cleaner air
All functions can be controlled via a smartphone app
Auto mode for automatic regulation of the cleaning performance
Reliably removes the finest particles from the air using a HEPA and activated carbon filter
Air purifier Roger measures the air quality and detects pollutants immediately. He purifies the air with his Dual Filter - removing pollutants such as fine dust, pollen, viruses and bacteria from the air. Roger shows the same level of efficiency when eliminating gases, unpleasant odours or volatile organic compounds (VOCs). The mobile air purifier has a textile pre-filter with hygiene function which protects the Dual Filter and extends its service life.
Pro
- Pleasantly quiet at the first level
- beautiful design
- Quiet until the second stage
Contra
- expensive for nothing
- App (disaster)
- no gas sensor

6. Philips PureProtect Mini 900 Series
Efficiently detects allergens and pollutants.
Faster cleaning and a compact, elegant design. Our compact air purifier ensures clean, safe air at home. It removes 99.97 % of allergens and pollutants in minutes and consumes very little energy. Thanks to its elegant design, it blends seamlessly into your home and lifestyle.
Only the 2-in-1 HEPA filter is included, while the FY0900 can be purchased separately.
Pro
- Quiet in sleep mode
- Comprehensive app
- Many functions
Contra
- App does not work properly, login does not work.
- at the highest level Loud
- You can hear it even at the lowest level in the bedroom

7. Bosch Home Comfort Air 4000
Bosch Air 4000 air purifier 62 m² (7733701943).Increase your comfort at home with the Air 4000 air purifier from Bosch. A quiet, easy-to-use and handy air purifier with dust filter for cleaning the air in rooms up to 62.5 m2. Ideal for bedrooms.
Easy to use & powerful: In auto mode, the air purifier's performance is continuously adjusted to the air quality and size of the room, whether in the kitchen, bedroom or office. The air purification capacity (CADR) is 300 m³/h.
Sleep undisturbed: In sleep mode, the noise level of the air purifier is reduced to 25 dB (A), while the Air 4000 only whispers. In addition, the LED lights and the display are switched off so that you and your family can sleep undisturbed.
Pro
- Quiet, barely audible in auto mode.
- Simple operation. No app necessary (data protection)
- Extremely quiet. Night mode is brilliant. Quiet mode: quiet operation, lighting is off
Contra
- Replacement filter expensive
- Follow-up costs for filters

8. Xiaomi Smart Air Purifier 4 Lite
With an efficiency of 126 m²/h, the Xiaomi Smart Air Purifier 4 Lite is suitable for rooms of up to 45 m². To ensure that fresh breathing air is available in every corner of the room, the air purifier has a three-dimensional 360° circulation system that distributes the freshly purified air as evenly as possible. It also has a Clean Air Delivery Rate (CADR) of 360 m³/h, which corresponds to 6,330 litres of purified air per minute. The 3-layer filter system removes up to 99.97 % of 0.3 µm particles.
Pro
- Very quiet
- Simple operation
- Low noise in sleep mode
Contra
- Replacement filters relatively very expensive
- beep when switching on/off or switching a little too loud

9. Philips PureProtect Water 3400 Series
The air purifier ensures thorough cleaning in rooms up to 78 m² with a CADR of 300 m³/h. A 20 m² room is cleaned in less than 10 minutes. The 3-layer HEPA filter system (pre-filter, NanoProtect HEPA, activated carbon) removes 99.97 % of particles down to 0.003 micrometres, smaller than the smallest known virus. The automatic air humidification delivers up to 650 ml/h and adapts to the desired humidity level thanks to AeraSense technology.
With the hygienic NanoCloud technology, the air is humidified with up to 99.9 % less bacteria than with conventional devices. The purifier also removes 99.9 % of viruses (e.g. H1N1, SARS-CoV-2) and bacteria. It is whisper-quiet in idle mode (16.5 dB) and at 43 W consumes less energy than a light bulb.
AeraSense technology detects pollutants in real time and automatically optimises the settings. The Philips Air+ app can be used to control the appliance and monitor the air quality. The activated carbon layer filters over 90% of gaseous pollutants and odours, e.g. NO₂ and VOCs, without releasing harmful ions or ozone.
The 3.2-litre water tank allows up to 15 hours of humidification without refilling. The long-life filter lasts up to 1 year and the device automatically notifies you when it needs to be changed. Ideal for healthy, clean air and a pleasant indoor climate.
Pro
- Very quiet
- Stable and functional iOS app
- Discreet and beautiful design
Contra
- Statistics for several rooms
- App could be better

10. Philips PureProtect 3200 Series
The PureProtect 3200 Series air purifier provides efficient capture of allergens and pollutants to ensure clean and safe air quality in your home. With its high cleaning performance and incredibly quiet operation, it is ideal for use in large rooms. The elegant design, low energy consumption and smart app control make it a perfect addition to any home.
Highlights:
- Double filter design for more power in a compact form
- Noise level in night mode of only 15dB
- Air purification rate of 520m³/h
- Equipped with AeraSense technology.
Pro
- Extremely quiet
- The app shows the air quality and humidity.
- Can be controlled from anywhere via app
Contra
- somewhat voluminous
- nothing found
- No measurement of CO2 and TVOC
