Household allergens like pet dander and dust circulate in the air in every room, particularly those with upholstered furniture and rugs. Just like HEPA vacuums, air purifiers work effectively by using a variety of filtration technologies to capture and remove the smallest particles. Best Air Purifiers for AllergiesBest Overall:Best Budget:Best for Pets:Best Fan-Purifier Combo:Best for Seasonal Allergies:How We Selected and TestedWe tested several air purifiers for allergies from reputable brands like Levoit, Coway, and Dyson and sought out models with a range of filtration systems, coverage areas, and helpful extra features that add value. We also kept in mind other beneficial features, like air purifiers that double as rotating fans or filters that target specific issues like pet allergens. For models that we didn’t personally test, we based our selections on the same criteria listed above and leaned on expertise for the best air purifiers to find our recommendations.