10 Best Air Purifiers For Allergies 2025 in the United States

The LEVOIT LV-H132 air purifier is a solid choice for those looking to reduce allergens like dust, pollen, and smoke in small to medium rooms, covering about 263 square feet. Its 3-layer filtration system includes a true HEPA filter that captures tiny particles down to 0.3 micrometers, which is great for allergy relief. The unit is AHAM verified and certified by several safety and environmental standards, so you can trust it to perform as advertised and be energy efficient.

One of the standout features is how quiet it runs—at just 28 decibels, it’s whisper-quiet and suitable for bedrooms or nurseries without disturbing sleep. It even has a gentle night light with adjustable brightness, which some may find comforting for nighttime use. The purifier is compact and easy to set up with no assembly required.

This LEVOIT model works well for individuals or families needing allergy relief in smaller areas, offering reliable HEPA filtration with quiet operation and useful extras. If you have a larger living space or want faster air cleaning metrics, you might want to look at models with higher CADR and larger coverage.

The LEVOIT Core Mini-P Air Purifier is designed to fit seamlessly into various settings like bedrooms, offices, and kitchens. It's particularly suited for those suffering from allergies, thanks to its 3-in-1 filter system that includes a HEPA filter capable of capturing particles as small as 0.3 microns. This makes it effective at removing pollutants such as smoke, pet dander, and dust. Additionally, the activated carbon filter works well to neutralize odors, making indoor air fresher and more pleasant to breathe.

With a CADR rating that's adequate for spaces up to 337 square feet, it covers a decent-sized room efficiently. One of its standout features is the quiet operation, running at a noise level as low as 25 dB, ensuring that it won't disrupt sleep or work. The unit also includes a fragrance sponge for added aromatherapy benefits, enhancing the ambiance of your space. On the downside, filter replacements can be relatively frequent and potentially costly, as only genuine Levoit filters are recommended to maintain optimal performance. This might be something to consider if you're looking for a low-maintenance option.

The purifier is lightweight and portable, making it easy to move from room to room. It is controlled via simple button controls, which are user-friendly even for those who aren't tech-savvy. Backed by a 2-year warranty, the LEVOIT Core Mini-P provides some peace of mind regarding its durability and reliability. It’s a strong contender for anyone dealing with allergies who needs a compact, effective, and quiet air purifier.

The PuroAir 400 HEPA Air Purifier is designed for large rooms, covering up to 2,000 square feet, making it suitable for spacious living areas or even small apartments. One of its key strengths is its HEPA filter, which can remove up to 99.9% of pollutants, smoke, pollen, dust, and VOCs, making it highly effective for allergy sufferers. Additionally, it operates quietly, which is a significant advantage for use in bedrooms or other quiet spaces.

The product is CARB certified, ensuring it meets rigorous air quality standards, which adds to its credibility. The dimensions and weight (17.5 x 10.6 x 12.5 inches; 16 pounds) suggest it is relatively compact and portable for its coverage capacity.

The PuroAir 400 seems like a strong candidate for allergy sufferers looking for a quiet, efficient air purifier for large rooms.