10 Best Air Purifier With Permanent Filters 2025 in the United States

The BLUEAIR 211+ is designed for medium to large rooms, covering around 540 square feet efficiently with its HEPASilent technology. This technology combines mechanical and electrostatic filtration to capture very small particles down to 0.1 microns, which is great for removing dust, pet dander, smoke, pollen, and even bacteria. One notable strength is its quiet operation, running at just 31 decibels on the lowest setting, making it suitable for bedrooms or living rooms without disturbing sleep or daily activities. The air purifier is also energy-efficient, using less power than a standard lightbulb on low settings.

Maintenance is straightforward with washable pre-filters, which help extend the life of the main particle and carbon filters that need replacement about every six months. These genuine Blueair filters are easy to find and maintain optimal performance, though it’s important to budget for replacement filters over time. The 360-degree air intake design allows flexible placement in your room without compromising effectiveness. Users will appreciate the simple one-button control for adjusting fan speed quickly. The purifier also targets odors effectively thanks to its carbon filter, making it a good choice for homes with pets or cooking smells.

Although it doesn’t have automatic sensing or smart features, the manual controls keep things simple. The unit is a bit heavier than compact models but still easy to move around. For those seeking a reliable, award-winning air purifier that balances powerful cleaning with quiet operation and easy upkeep, the BLUEAIR 211+ is well suited for allergy sufferers or anyone wanting cleaner air in larger spaces.

The LEVOIT Core Mini-P air purifier is a compact and lightweight option designed for small rooms up to 255 square feet, making it suitable for bedrooms, offices, or desktops. It uses a 3-in-1 filter system including a pre-filter for larger particles like pet hair and lint, a main filter that captures fine pollutants and smoke, and an activated carbon filter to reduce odors and fumes. This combination is effective at improving air quality by trapping tiny particles down to 0.1 micrometers.

Noise-wise, it operates quietly at about 25 decibels, which is ideal for sleep and focused activities. It also has user-friendly features like an auto-off display and a fragrance sponge for a calming aroma, adding some extra comfort. Maintenance involves replacing genuine Levoit filters (model Core Mini-RF) since the purifier doesn’t use permanent or washable filters, so you should expect ongoing filter costs. The device is energy-efficient with a low 7-watt power draw.

The purifier's coverage is limited to small spaces, so it won’t be sufficient for larger living areas. Although it filters many airborne particles well, it does not specify a CADR rating, which would help compare its cleaning speed against others. If you want a quiet, portable purifier for a small room that handles smoke, pet dander, and odors effectively, this model represents a solid choice. However, if permanent filters or coverage of bigger rooms are priorities, you might want to explore other options.

The Shark Air Purifier HP152 is designed for large rooms up to 650 square feet, making it suitable for bedrooms, kitchens, living rooms, and basements. It features a HEPA filter with NeverChange technology, which lasts up to 5 years without needing replacement. This can save users over $300 in filter replacement costs compared to other units.

The HEPA filter captures 99.98% of dust and allergens, exceeding standard requirements, and the Debris Defense filter helps protect the HEPA layer from larger particles like hair and dust. This ensures the purifier maintains high performance over time. The device also includes an Odor Neutralizer Technology that significantly reduces household odors, releasing a fresh scent throughout the home.

Clean Sense IQ technology automatically adjusts the purifier's power based on real-time air quality measurements, displayed on an LED screen. This makes it easy to monitor and maintain clean air. The unit operates quietly, with dimmable lights to minimize sleep disruption, making it a good choice for bedrooms. The Shark Air Purifier HP152 offers robust filtration, large room coverage, quiet operation, and user-friendly features, making it a strong contender for anyone seeking a high-performing air purifier with minimal ongoing maintenance.