The Levoit 400S is our top pick for an air purifier that effectively captures your home's allergens. After testing more than 50 air purifiers over the past nine years, our measurements have shown that the exceptional Coway Airmega AP-1512HH Mighty is the best of them all: powerful enough for a large room, quiet enough to sleep nearby, designed to last for years, and affordable enough to be installed in several rooms. HEPA air purifiers, such as those from Coway and Airmega, are great for filtering wildfire smoke from your home air. We put our selections in multiple homes, often over a long period of time, to evaluate how they work in different environments, how resistant they are to children and other sources of damage, and the types of satisfaction (or annoyance) that arise as time passes.
In conditions where air quality is poor, such as when your area is affected by a nearby wildfire, we suggest running air purifiers at a high temperature for one hour and then running them in a quiet environment or medium to create and maintain clean air in the home. We tested this method on the Airmega AP-1512HH Mighty and the Airmega 400 from Coway for three hours (one hour at high temperature), followed by two at medium temperature after burning 15 wooden matches to create a large initial load of fine smoke particles. The Honeywell InSight HPA5300B, a model for large spaces, is likely to work well, but after measuring its electricity demand, we ruled it out. Compared to the Blueair Blue Pure 211+ that we chose for large spaces, the Honeywell consumes 33, 60, 94 and 117 watts at its four speeds (from low to turbo), respectively.
The Blue Pure 211+ reaches a maximum of 64 watts and is slightly more powerful in terms of clean air supply rate (CADR). It doesn't hurt that an air purifier also has an activated carbon element to help eliminate odors. When selecting the best air purifier for your home, it's important to consider factors such as the size of the space you'll be using the device in, the filtration level of the air purifier, the noise level, how much space you have for the appliance, and of course, your budget. The Blueair 411 removes up to 99.97% of airborne particles and up to 99.99% of pollen, making it an excellent choice for people with seasonal allergies.
The purifier also has quiet operation, making it perfect for use in bedrooms or other areas where a loud purifier could be annoying. You can also add essential oils to the diffuser pad for additional benefits or to make your air smell good. If you have allergies and are looking for a discreet air purifier to add to your home, the AirMinus A2 SPA-780a from Rabbit has a design designed for elegant and stylish homes. However, this Germ Guardian purifier cannot detect air quality and users claim that it is not effective in larger rooms.
A smartphone app provides detailed air quality data and people can control the air purifier even when they are out and about. It's a little too tall for continuous use, but less than half (in terms of human perception) than the Air Mini+. When in automatic mode, the fan accelerates when it recognizes allergens or other pollutants in the air and then returns to a lower level once the air is clean. The Environmental Protection Agency (EPA) states that an air purifier can help alleviate some allergy symptoms.
If you suffer from allergies or just have questions about the air quality in your home, a HEPA air purifier can be beneficial. Many users said that this smaller air purifier was ideal for everyday use and helped alleviate allergy symptoms.
