
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
- I think it's quiet, it's only louder at full throttle
- Easy to operate (on the device or with app)
- Design and function
Contra
- Somewhat large
- Display cannot be switched off completely, bad in the bedroom
- Ioniser can only be switched off via app

2. Xiaomi Smart Air Purifier 4 Compact
The Xiaomi Smart Air Purifier 4 Compact offers peace of mind and all-day protection for those suffering from allergies. The air purifier safeguards the health of your respiratory system by keeping the air in your home clean and safe to breathe. This is achieved through a highly efficient filtration system that removes up to 99.97 percent of particles as small as 0.3 micrometers. In addition to the highly efficient filtration system, this compact air purifier is also effective against pollen, pet dander, and other allergens. The quiet and energy-efficient brushless DC motor operates in quiet mode at a noise level of just 20 dB and a maximum power consumption of 27 W.
Technical specifications
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 features: App control
Smart Home ecosystem: Amazon Alexa, Google Assistant.
Pro
- Very quiet
- Super design
- Good app
Contra
- Filter somewhat expensive
- Bad app
- 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
- Quiet at night
- Good design
- Can be controlled via app
Contra
- a little too big
- Ioniser cannot be switched off without app
- Expensive replacement filters

4. 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 idle
- Many functions
- Smart control possible
Contra
- Stronger fan speeds somewhat loud
- at the highest level Loud
- No WLAN, no app

5. 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 rather expensive
- beep when switching on/off or switching a little too loud

6. Levoit Core 300s Pro
3-stage filtration
H13 true HEPA filtration, enhanced with HEPASmart technology, captures at least 99.97% of airborne particles.
Intelligent control
Whether you're cooking, exercising or travelling, you can always ask Alexa or Google Assistant.
Automatic customisation
The AirSight Plus technology's laser dust sensor reacts to changes in air quality up to 5x faster than an infrared laser.
Sleep peacefully
Let fresh air circulate in your room and protect your sleep quality with low noise levels.
Save energy & reduce costs
With a rated power of only 23 W, this air purifier is environmentally friendly and great for energy costs.
Pro
- Very quiet (bedroom use)
- App clear and practical
- Very quiet in sleep mode
Contra
- Audible at high level, replacement filter relatively expensive
- somewhat high price

7. Levoit Core 300S
The Core 300S air purifier features a three-stage filtration system with a Clean Air Delivery Rate (CADR) of 240 m³/h. This allows it to clean a room size of 50 m² twice per hour, removing up to 99.97% of mold spores, dust, and pollen. Additionally, it is equipped with a professional laser sensor that displays air quality in real-time on the screen and mobile phone. Connection and operation are possible via 2.4 GHz Wi-Fi using the free VeSync app. The air purifier is particularly suitable for the bedroom, as it operates almost silently in ultra-quiet sleep mode (22 dB), with the screen completely turned off. It consumes only 0.015 kWh at the highest setting. It is recommended to replace the replacement filter at least every six to eight months to achieve optimal cleaning performance. The air purifier is compact, measuring 22 x 22 x 36 cm and weighing 2.72 kg, making it easy to carry from one room to another. It is powered by a wired power source. The package includes the air purifier, a pre-installed three-stage True HEPA original filter, a user manual, and a quick start guide. Voltage: AC 220-240 V, 50/60 Hz, Power: 23 W.
Pro
- Very quiet (bedroom use)
- App with schedule (top!)
- Sleep mode no LED lights
Contra
- Audible at high level, replacement filter relatively expensive
- somewhat high price

8. 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
- should be able to be assigned to several rooms
- App could be better

9. 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
- Beautiful design
- is white
Contra
- no gas sensor
- Extremely quiet (levels 1+2) or very loud (levels 3-5)
- Odours also remain

10. Philips AC1715/11
99.9 % virus, allergen and pollutant removal
Purifies the air in less than 10 minutes. At the touch of a button, the air purifier filters the invisible viruses, allergens and pollutants in your home to keep it clean and safe. Thanks to its Clean Air Delivery Rate (CADR) of 300 m³/h, it cleans quickly and efficiently. A 3-layer filter is included in the scope of delivery.
Pro
- Filters pollen, fine dust, bacteria, viruses and odours
- Timer filters room once before going to bed
- Quiet, especially in sleep mode
Contra
- APP is a data collector
- WLAN cannot be switched off
- app now not the best
