10 Best Hepa Air Purifiers 2025 in the United States

The LEVOIT Core 300-P Air Purifier is a reliable option for those dealing with allergies, pet hair, and other pollutants in spaces up to 1095 ft². It boasts several strengths, including a high CADR of 141 CFM, which means it can effectively clean the air in large rooms. The HEPA filter is highly efficient, capturing 99.97% of particles as small as 0.3 microns, which is great for removing dust, pollen, and dander.

The unit also features various filter options to tackle specific needs, such as smoke or pet allergens, and operates quietly with a noise level as low as 24 dB in Sleep Mode, making it suitable for bedrooms. Additional features like a timer, filter replacement indicator, and a sleek design add to its appeal. However, the need to use only official Levoit replacement filters could be seen as a drawback due to potential higher costs.

Additionally, while it covers a large area, the effective floor area is noted as 219 square feet, which could be confusing for some users. The device is Energy Star certified and fully compliant with safety standards, offering peace of mind. It’s an excellent choice for anyone looking to improve air quality in medium to large rooms, provided they are prepared for the ongoing maintenance costs of official filters.

The LEVOIT Core Mini-P HEPA Air Purifier offers solid basic air purification with its 3-in-1 filter system featuring a Pre-Filter, Main Filter, and an Activated Carbon Filter. This combination effectively captures pet dander, dust, smoke particles, and odors, making it suitable for those who suffer from allergies or want to eliminate household odors.

The compact design (6.5 inches in diameter and 10.4 inches in height) makes it convenient for small spaces like bedrooms, offices, or kitchens, covering up to 337 square feet. Additionally, it includes a fragrance sponge for aromatherapy, which can enhance the user experience by providing a calming scent in the room.

The auto-off display feature is a nice touch for uninterrupted sleep. This air purifier can be a great choice for individuals looking for a small, portable solution to improve indoor air quality, particularly in smaller rooms or specific areas within a home.

The Dyson Purifier Cool TP07 is a well-designed air purifier that combines a true HEPA H13 filter with a fan, making it useful for both cleaning air and providing cooling. It uses advanced Air Multiplier technology to circulate purified air effectively throughout a room of up to about 99 square feet, which is suitable for small to medium rooms like bedrooms or offices. The HEPA filter is fully sealed within the machine, ensuring that captured pollutants don’t escape back into the air. One nice touch is the real-time air quality monitoring displayed on the device and accessible via the Dyson app, allowing you to track pollution levels easily.

Noise-wise, the purifier can reach up to 78 dB, which is on the louder side, especially at higher fan speeds, but it includes a quiet Night mode for use while sleeping. Filter replacement is straightforward, with notifications when it's time to change, though the cost of genuine Dyson filters can be higher than average. Extra features include smart controls through voice assistants and a remote, plus flexible timer settings.

The airflow coverage is somewhat limited compared to larger purifiers, so it might not be ideal for bigger living areas. Its price tends to be premium, reflecting Dyson’s brand and technology. This purifier is an excellent choice if you want a combination of air cleaning and cooling in a smaller space, with smart features and reliable HEPA filtration, but it may be less suited for large rooms or those sensitive to noise.