
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
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
- Really quiet at low level
- Easy to control with the Xiaomi app
- Design and size
Contra
- Very large
- Display "always on" as soon as plugged in
- App collects too much data

3. 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 when necessary
- Chic design
- Good app
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

4. Dyson Pure Hot+Cool Link
The Dyson Am09 has Jet Focus technology with Focus function for direct, personal heat. The Dyson Hot + Cool fan heater heats the room quickly and evenly. And in summer it delivers pleasantly cooling air. Thanks to the long range, you don't have to sit directly by the unit. The distribution function helps to heat the room quickly and evenly. With the distribution function, the air flow is directed into both slots. Optimised air ducts reduce air turbulence. An air jet draws in the surrounding air and amplifies it. The result is an even, pleasant air flow - without rotor blades. The remote control is used to adjust the rotation, temperature and strength of the air flow. It is curved and magnetic for convenient storage directly on the unit. Dust is not burnt off because the ceramic elements never get hotter than 200 °C.

5. Philips Ac2889/10
99.9% Virus, allergen, and pollutant removal
Removes 99.97% of airborne viruses, aerosols, and pollutants. The air purifier series filters 99.97% of airborne allergens, pollen, fine dust, and even odors. Controllable via app, it cleans rooms up to 79 m² with a CADR of 333 m³/h.
Pro
- Very quiet modes available
- Can be controlled remotely via the app
- Good operation
Contra
- New filters are also expensive
- Filters need to be changed very frequently
- the app for Android always causes trouble

6. 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
- Elegant design
- Can be controlled via app or manually via display
Contra
- Somewhat large
- Limited use without app
- Not quite cheap replacement filters

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. Dyson Humidify + Cool Formaldehyde PH04
Not only the filter, but the whole unit meets the HEPA-13 standard. What gets into the unit stays there. The air purifiers have special sensors to detect formaldehyde molecules 500 times smaller than 0.1 micron.
Dry air can lead to dehydration. The Dyson humidifier with air purification function automatically maintains the correct humidity level in the room air. For a more comfortable environment all year round.
The Dyson Purifier Humidify+Cool features a sealed 360˚ filtration system. It combines an activated carbon filter to remove gases and odours and a sealed HEPA filter to remove 99.95% of ultra-fine particles.
Dyson Ultraviolet Cleanse technology exposes every drop of water to an ultraviolet light. This removes 99.9% of bacteria in the water. An efficient water management system and 5-litre water tank provide continuous humidification without the need for regular refills. Air Multiplier technology distributes up to 350 litres of cooling air 5 per second. The air is mixed and distributed throughout the room so you don't breathe in dry, stale air. Choose between fan mode, breeze mode to mimic a cooling, refreshing breeze and in the winter months you can use the distribution function to clean and humidify the air - without direct frontal airflow.

9. Philips PureProtect Mini 900 Series with app
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
- Quiet and effective
- Many functions
- Smart control possible
Contra
- at the highest level Loud
- No WLAN, no app

10. 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
- Filter too expensive
- Replacement filters rather expensive
- beep when switching on/off or switching a little too loud
