10 Best Air Purifiers

The LEVOIT Smart Air Purifier Core 600S is designed to cover large spaces up to 294 square metres, making it a strong choice for big living rooms, open kitchens, or large bedrooms. Its high Clean Air Delivery Rate (CADR) of 697 m³/h means it can efficiently clean the air quickly, which is great if you want fresher air without waiting long. The three-layer filter system includes a pre-filter for big particles, a HEPA filter to catch tiny allergens like pollen and pet dander, and an activated carbon filter that helps reduce smoke and odours. This combination is effective for improving indoor air quality, especially for allergy sufferers or households with pets.

The purifier is smartly designed with app control via VeSync and compatibility with Alexa and Google Assistant, letting you manage it remotely or by voice. It also has a real-time air quality monitor with a clear display and can adjust fan speeds automatically based on pollution levels. Noise-wise, it’s very quiet on the lowest setting (around 26dB), so it won’t disturb you during sleep or work. The device is also energy efficient and comes with a convenient filter replacement reminder via the app, helping you maintain it easily.

On the downside, while it’s powerful and feature-rich, the unit is relatively large and weighs over 6 kg, so moving it around might not be as effortless despite the handle design. Also, premium features like app and voice control may not be necessary for everyone, and it requires a dedicated space with good clearance for optimal performance. This air purifier is ideal for those who need strong, smart air cleaning for large rooms and want to keep allergens and pollutants under control with minimal hassle.

The Levoit Core 300 air purifier is a solid choice for medium to large rooms up to 80 square metres, making it suitable for most bedrooms, living rooms, or home offices. Its Clean Air Delivery Rate (CADR) of 187 m³ per hour means it can refresh the air effectively—either once an hour for larger spaces or twice an hour for smaller ones, ensuring better air quality. It uses a three-stage filtration system including a true HEPA filter, activated carbon, and a pre-filter, which together remove 99.97% of common indoor pollutants like dust, pollen, pet hair, mould spores, and odors. This makes it especially helpful if you have allergies or pets. Four different filter options are available to target specific needs like toxins or bacteria, adding versatility.

Noise levels are impressively low thanks to QuietKEAP technology, with just 24 decibels in sleep mode, so it won’t disturb your rest. However, it is corded and not wireless, so placement depends on proximity to a power socket. Energy consumption is moderate, typical for devices of this type. Maintenance involves replacing the filters every 6 to 8 months, which is straightforward but an ongoing cost to consider. The unit also has convenient features like a timer, multiple fan speeds, and a filter replacement indicator. One plus is that it does not produce ozone, which some air purifiers do and which can be harmful.

Its size and performance suit bedroom or home use well, though it may be less ideal if you need a portable or very quiet device for smaller spaces. The Levoit Core 300 is a reliable, easy-to-use purifier that performs well in removing allergens and improving indoor air quality for typical UK homes.

The Levoit Smart Air Purifier Sprout is designed for small to medium rooms up to 30 square meters, making it a good fit for bedrooms, home offices, or living spaces. It refreshes air quickly with up to 4 air changes per hour in smaller rooms, helping to reduce allergens, dust, and odors effectively. Its advanced HEPA filter captures 99.99% of ultrafine particles, including pollen and pet dander, which is beneficial for allergy sufferers. The activated carbon filter also tackles common household smells and volatile organic compounds (VOCs), improving overall air quality.

With five smart sensors, it monitors seven air quality factors like particles, gases, humidity, and temperature, providing real-time feedback that you can track via an app or voice control through Alexa or Google Assistant. Noise levels are very low at 22 decibels, suitable for a quiet bedroom environment. Energy consumption is modest at 18 watts, so it won’t significantly raise your electricity bill. The purifier includes helpful features like a night light without blue light and soothing white noise to support better sleep.

A limitation of this model is its coverage, which is restricted to smaller rooms, so it may not be ideal for larger living spaces. Additionally, as with most HEPA purifiers, regular filter replacements are necessary to maintain performance, which adds to ongoing costs. This model provides strong filtration, smart monitoring, and quiet operation, making it a solid choice for users wanting healthier air in bedrooms or similar-sized rooms.