
Best selling Air purifiers
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1. 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
- Very powerful but also very quietly adjustable to place next to the bed
- Simple operation. No app necessary (data protection)
- Simple operation
Contra
- A bit expensive but the filter performance and quality was worth it to me
- Filters Pig price
- Replacement filter expensive

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 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

4. Xiaomi Mijia Smart 6
The Mijia Smart Air Purifier 6 by Xiaomi is an advanced air purification device designed to continuously improve indoor air quality in living areas. The device combines precise sensor technology with a multi-stage purification system to remove fine dust, allergens, bacteria, viruses, odours and other pollutants from the air to promote a healthier indoor environment. Integration into smart ecosystems and intuitive controls characterise the air purifier as an intelligent and versatile solution for the modern household.
At the heart of the device is an improved, five-sensor system that continuously analyses relevant indoor air parameters, including ultrafine particles (PM1), dust, PM2.5, temperature and humidity.
The Mijia Smart Air Purifier 6 is also equipped with integrated UV sterilisation, which specifically contributes to the reduction of bacteria and viruses in the air flowing through it. The combination of mechanical filtration and UV light not only removes particles and odours from the air, but also hygienically treats it. This technology works automatically in the background and adds another layer of protection to the multi-stage filter system for a clean and healthy indoor climate.
The air purifier is able to achieve a high air flow rate, ensuring rapid circulation of purified air. With a particle CADR (Clean Air Delivery Rate) performance of up to 443 m3 per hour, the device can efficiently purify air in medium-sized rooms.
The Mijia Smart Air Purifier 6 offers a local display of the air quality via a colour display and the option of networking with the Xiaomi Smart Home system. Individual settings can be made, operating cycles planned and the status of the filter monitored via the corresponding app. This networking capability allows the appliance to be flexibly adapted to different needs and contributes to efficiency and user-friendliness in everyday life.

5. Philips AC2220/10
Efficiently detects allergens and pollutants
he quietest air purifier ensures clean, safe air at home. It removes 99.97% of allergens and pollutants in minutes while consuming little energy and making hardly any noise. Thanks to its elegant design and smart controls, it blends seamlessly into your home and lifestyle.
Pro
- Easy to operate
- Quiet and efficient
- Very good app

6. Ecovacs Airbot Z1
The Ecovacs AIRBOT Z1 is an innovative air purifier specifically designed to improve indoor air quality. With an impressive air purification rate of 600 m³/h, it effectively removes pollutants, allergens, and bacteria from the air. The AIRBOT Z1 operates quietly with a noise level of only 40 dB, making it ideal for use in living spaces and offices. Additionally, it features a humidification function that helps regulate humidity levels and creates a pleasant indoor climate. The integration of voice control allows for easy operation through popular smart home systems like Amazon Alexa and Google Assistant. With advanced obstacle detection and navigation technology, the AIRBOT Z1 ensures efficient and autonomous air cleaning.
- Bacteria removal rate of 99.9% for a clean and healthy environment
- HEPA 13 filtration combined with UV disinfection for optimal air quality
- Mobile air purification robot with air quality monitoring
- Built-in hygrometer function for automatic humidity regulation
- Compatible with voice assistants for user-friendly control.
Pro
- Cleansed the air well and noticeably
- Purifies the air
- Removes odours
Contra
- Poor orientation
- Bad app

7. 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

8. Bosch Home Comfort Air 2000i
The Air 2000i efficiently filters pollutants from the air and can be conveniently controlled via an app. Monitoring and control are done through the free Bosch HomeCom Easy app. The collected data is encrypted and protected on European servers in Germany. The Air 2000i meets current cybersecurity standards (2025). It offers functions such as turning on and off, mode switching, and a timer. With a performance (CADR) of 180 m³/h, it filters air in rooms up to 37.5 m². The color of the light ring continuously indicates the air quality status. In automatic mode, the performance adjusts to room size and air quality. In quiet mode, the display is turned off, and the air purifier operates quietly. The durable filter consists of a pre-filter, activated carbon filter, and HEPA layer, and can be replaced in just one step.
Pro
- Super quiet Easy to transport
- Very quiet in night mode
- Absolutely no app necessary
Contra
- Replacement filters are expensive
- I can't see anything so far
- no disadvantages for me

9. Philips AC0650/10 - Lynx cleaner
The most energy-efficient, compact air purifier removes allergens and pollutants from the air. With just the push of a button and minimal energy consumption, the air purifier eliminates allergens and pollutants from the air. Its compact, elegant design seamlessly integrates into your home. Control your air purifier anytime and anywhere with the Philips Air+ app.

10. 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
