10 Best Air Purifiers

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 Dyson Purifier Hot+Cool HP1 is designed for rooms up to 27 square meters, making it suitable for medium-sized living spaces or bedrooms. It features a fully sealed HEPA H13 filter system that captures 99.95% of microscopic allergens and pollutants, offering strong air purification performance for those sensitive to dust, pollen, or pet dander. Unlike many other purifiers, it also includes heating and cooling functions, using Dyson’s Air Multiplier technology to either warm a room evenly in winter or provide cooling airflow in summer. This multi-functionality adds good value if you want both air purification and climate control in one device.

The noise level is about 63 decibels, which is moderately noticeable but should be acceptable in most home environments, especially when the purifier is running at higher speeds. Energy consumption is approximately 40 watts, which is relatively efficient given its combined heating and cooling capabilities. Maintenance involves filter replacement, but Dyson’s fully sealed system helps keep trapped pollutants contained, which can improve air quality over time. You can also monitor and control the purifier remotely via a smartphone app or voice controls, adding convenience.

A potential downside is that the coverage area might be too small for larger rooms or open-plan spaces, and the noise level may be bothersome if you prefer very quiet operation. Additionally, the price point could be higher compared to simpler purifiers that do not offer heating or cooling. This model suits users who want a versatile, high-quality air purifier with added climate control for medium-sized rooms.

The Dyson Purifier Cool PC1 is a premium air purifier designed for rooms up to around 27 square meters, making it well suited for medium-sized living spaces or bedrooms. It uses a fully sealed HEPA H13 filter that traps 99.95% of microscopic particles down to 0.1 microns, which is excellent for capturing allergens and pollutants. This high filtration standard combined with the fully sealed design ensures what goes inside the filter stays trapped, improving indoor air quality effectively.

A standout feature is its Dyson Air Multiplier technology, which not only purifies but also provides a strong, smooth airflow to cool you down in warmer months. This dual function adds extra value if you want an air purifier that doubles as a fan. The unit is controllable via a dedicated app or voice commands, offering convenience and real-time air quality monitoring from anywhere.

In terms of noise, it operates at around 61 decibels, which is moderate and might be noticeable in very quiet environments but generally acceptable during normal use. Energy consumption is reasonable at 40 watts, so it won’t significantly impact your electricity bill. The device uses a corded power source and includes a magnetic remote control that stores neatly on the machine, adding to its user-friendly design. Maintenance involves replacing the HEPA filter as needed, which is typical for this type of purifier but can be a recurring cost to consider. Its room coverage is limited to medium-sized spaces, so larger areas might require a more powerful model. While the noise level isn’t loud, it could be slightly distracting for very sensitive sleepers. Considering its price and features, this Dyson model represents a reliable choice for those seeking a purifier with cooling capabilities and smart controls suitable for medium-sized rooms.