
Top rated Air purifiers
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1. Philips 800 series AC0820/10
The Philips 800 series air purifier - a small but effective device that brings clean air into your home in a compact and simple way: the intelligent automatic air purification mode, controlled by a professional sensor, automatically detects and reacts to even the smallest changes in the air. The four-level color display for real-time air quality, from blue (good) to red (poor), gives you confidence about the air quality in your home. In sleep mode the indicator lights are dimmed. The air purifier works almost silently at 35 dB and provides clean air while you sleep. Ideal for use in the bedroom or children's room.

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
- Chic design
- Good app connection
Contra
- There are no stronger filters available as accessories.
- Xiaomi Home app is somewhat mixed (few settings, no graph overview of the AQI)
- Filter somewhat expensive

3. Xiaomi Smart Air Purifier 4
High-efficiency air purifier filters particle sizes of up to 0.3 micrometers with optional iOS/Android app connectivity and Google Assistant/Alexa voice control.
Optimal for rooms up to 48 m²: PCADR 400 m³/h, FCADR 150 m³/h, filters up to 130 m² in one hour with a negative ion generator for an even better air quality experience, similar to being in a forest or near a waterfall.
Highly precise PM 2.5 sensor for detecting air pollutants and automatically regulating performance in automatic mode.
Whisper-quiet operation with a noise level of only 32.1 dB in sleep mode and a maximum of 63 dB in high mode.
OLED touchscreen for controlling and displaying air quality in real-time, as well as for filter replacement reminders (every 6-12 months).

4. Philips 2000i Series
The Philips AC2221/13 is a state-of-the-art air purifier designed to ensure clean and healthy indoor air. With an air purification rate of 420 m³/h, it effectively removes allergens and pollutants from the air so you can breathe freely in your home. This air purifier is characterised by its virtually silent operation, which makes it ideal for use in living spaces where quiet is valued. The AC2221/13 utilises a HEPA filter that captures 99.97% of allergens and pollutants in the air. It is also energy efficient and consumes only 28 watts, making it an environmentally friendly choice for air purification. Its elegant design and smart control options allow it to integrate seamlessly into different home styles and lifestyles.
- Effective removal of 99.97% of allergens and pollutants
- Virtually silent operation for undisturbed breathing
- Energy efficient with only 28 watts of power consumption
- Intelligent control options for user-friendly operation
- Suitable for rooms up to 109 m2.
Pro
- Very quiet modes available
- Everything great except for the app
- Operation via app
Contra
- Filter prices still a little too expensive.
- App does not always work
- New filters are also expensive

5. 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
- Normally (continuous operation) very quiet
- Can also be set for smaller rooms via app
- Design and function
Contra
- Very large
- App unnecessarily requests data that is not absolutely necessary
- Display cannot be switched off completely

6. Xiaomi MI Air Purifier Pro H
Xiaomi MI Air Purifier Pro H Air PurifierWith the Xiaomi Air Purifier the Mi Air Purifier Pro H finally allows all allergy sufferers to take a deep breath. This little helper frees your room air from house dust, pollen, cigarette smoke, fine dust and other allergens. Controlled via the Mi Home App, Alexa and Google. A modern design that adapts to your interior.-Air Flow Optimization, filters 600 m³ per hour-3-fold filter system-HEPA 13 filters: filters 99.98% of all allergenic substances-Filter Change Alarm-OLED Touch Display to display air quality, room temperature and humidity-Full and smart control via the Mi Home App, Alexa and Google Assistant-Compatible from Android 4.0 and iOS 8.0Properties:-Airflow rate (CADR): up to 600 m³/h-Area efficiency: 200 m²/hr-Rated power: 70 W WLAN IEEE 802.11 b/g/n-Volume: 34 - 65 dB(A) Dimensions (L x W x H): 310 x 310 x 738 mm-Weight including filter: 9.6 kg

7. Philips Series 4000i AC4236/10
Fast and efficient air cleaning thanks to the new 3D system for air circulation with spiral air outlet and clean air in a 20 m² room in less than 8 minutes. Use the intelligent, automatic control of ambient light to adapt the light to the room environment - ensure the best feeling of well-being for you and your family. Real-time air quality at a glance: Numeric display of information on PM2.5, gases and allergen values on the display for your convenience. Minimalist. Stylish. Inviting. Fits perfectly to every interior design. Unobtrusive and striking at the same time. Smart Sensoring technology detects in real time and automatically eliminates all three major threats to indoor air: particles, harmful gases and indoor allergens. The professional sensor automatically scans airborne pollutants 60,000 times per minute, detects and reacts in real time to every occurrence of pollutants. The ambient light ring on the top of the product provides an additional visual reference point and ranges from blue (good) to red (poor) to indicate indoor air quality. Removes 99.9 % of particles with 3 nm. Room size up to 130 m².

8. Xiaomi Mi Air Purifier 3C
Xiaomi Mi Air Purifier 3C - smart air purifier for smaller rooms. The LED display shows the air quality. The HEPA filter removes particles as small as 0.1 μm, including smoke, dust, pollen, and mold. The cleaning speed is 320 m³/h, effectively purifying the air in a room of approximately 106 m² per hour. The noise level ranges from 31 to 61 dB, depending on the mode. Control is done via a mobile app and supports Google Assistant, Amazon Alexa, and Mi Home.

9. Philips PureProtect Mini 900 Series
The Philips air purifier provides clean air in less than 12 minutes thanks to a high filter performance of 250 m³/h (CADR) and is suitable for rooms up to 65 m². Its 3-layer HEPA filtration system removes 99.97% of the smallest particles (0.003 microns), including viruses and allergens such as dust, pollen and pet dander. With its whisper-quiet quiet mode (20.5 dB) and dimmed lighting, it is ideal for sleeping areas.
The air purifier reduces 99.9 % of airborne viruses (e.g. H1N1) and bacteria, captures odours and gaseous pollutants (e.g. NO₂, VOCs) and employees energy-efficiently with just 23 W - less than a light bulb. The AeraSense technology monitors the air quality 1,000 times per second and automatically adjusts the output.
With the Philips Air+ app, the device can be conveniently controlled from anywhere, including real-time air quality monitoring. Functions such as "Fresh Wake-up" and "Fresh Bedtime" optimise air purification for restful sleep. The long-lasting filter lasts up to one year, and the device reminds you to replace it in good time.
Sustainably designed, the device contains over 23% recycled plastic and has been developed for a long service life. It combines effective air purification with environmentally friendly design.
Pro
- Very quiet at night
- Programming automations in the app is intuitive
- Many functions
Contra
- No WLAN, no app
- at the highest level Loud
- You can hear it even at the lowest level in the bedroom

10. 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
- Can be very quiet (sleep mode)
- Always well informed about indoor air quality with app
- Quiet in sleep mode
Contra
- Very large
- Does not indicate humidity
- somewhat high price
