10 Best Mold Air Purifiers 2025 in the United States

The LEVOIT Vital 100 is a solid choice if you want cleaner air in a medium to large room, covering up to 788 square feet. Its 3-stage filtration system includes a true HEPA filter which is good at capturing tiny particles like mold spores, dust, pollen, and pet hair. The CADR of 105 CFM means it can circulate and clean air efficiently, making it suitable for bedrooms or living rooms. One of its strengths is quiet operation, running as low as 24 decibels, so it won’t disturb you while sleeping. It also has useful extras like a washable pre-filter to catch larger particles and reduce the load on the main filter, plus a timer and filter replacement alert, which help keep maintenance simple.

The filters last about 6-8 months depending on use, but keep in mind you’ll need to purchase replacement filters from LEVOIT, as it doesn’t support off-brand options. At 38 watts, it’s energy efficient and won’t add much to your electricity bill. The compact design with top air vents allows flexible placement even in corners. On the downside, while the CADR is decent, it’s not the highest in its class, so in very large or heavily mold-affected areas you might want a purifier with a stronger airflow. Also, it lacks smart features like app control or air quality sensors that some competitors offer.

The Vital 100 is user-friendly, quiet, and effective for typical home use against mold and allergens, especially if you value simplicity and low noise.

The PuroAir 400 HEPA Air Purifier is an impressive choice for those needing to clean air in larger spaces, boasting the ability to cover up to 2,000 sq ft. Its powerful 3-layer filtration system, which includes a HEPA filter and activated carbon, effectively captures up to 99.9% of pollutants like smoke, pollen, and VOCs, making it especially appealing for allergy sufferers. This purifier's ability to filter particles much smaller than a human hair is backed by rigorous lab testing, ensuring reliable performance.

One of the standout features is its smart particle sensor, which adjusts the purifier's power based on the air quality, allowing it to operate quietly, making it well-suited for bedrooms. With CARB, ETL, ISO, and UL certifications, the device is proven for safety and efficacy, providing users with peace of mind. There are some considerations to keep in mind, including the physical size of the device, which might be a bit cumbersome for smaller spaces. Noise levels, though generally low, could still be a factor for very noise-sensitive users, particularly in the quiet of a bedroom at night.

With a sleek black design, the PuroAir 400 fits well aesthetically into most home settings. Its two-year risk-free warranty offers further reassurance, making it a strong contender for those seeking an air purifier for large areas with robust filtration capabilities. The reliance on a trusted brand, rooted in the USA, adds to its appeal for quality assurance.

The LEVOIT Core 200S-P Air Purifier is a great option for those looking to improve air quality in their home or bedroom. It features a 3-in-1 HEPA filter that is efficient in capturing 99.97% of airborne particles, including dust, pollen, and mold spores, making it ideal for allergy sufferers. The purifier has a compact design and can cover rooms up to 916 ft², though its optimal performance is in smaller areas around 183 ft².

With a noise level as low as 27dB, it operates quietly, which is perfect for nighttime use. The device also offers smart WiFi connectivity, allowing you to control it via the VeSync app or through voice commands with Amazon Alexa and Google Assistant. This added convenience is a significant plus for tech-savvy users who prefer hands-free operation.

It is important to note that the voltage is 120V, making it suitable only for use in the United States. One potential drawback is the need for regular filter replacements, though the in-app feature helps monitor filter life. For those who prioritize air quality and smart home integration, this purifier is a strong contender, though it might be overkill for very small spaces. Additionally, some users might find the frequent pre-filter cleaning (every 2-4 weeks) to be a bit of a hassle.