The Coway AP-1512HH Mighty combines a compact design with powerful performance. Its four-stage filtration system includes a HEPA filter, which efficiently traps allergens. It’s also energy-efficient, helping to keep electricity costs down. Some users report a slight odor when first operating the machine, but this typically dissipates after a few days.

Ideal for small to medium-sized rooms, the LEVOIT Core 300 offers a compact and quiet solution for allergy sufferers. Its three-stage filtration system, including a HEPA filter, effectively captures common allergens. Despite its smaller size, it boasts an impressive performance and a budget-friendly price.

The Blueair Classic 605 is renowned for its superior HEPA filtration system, which effectively removes 99.97% of airborne allergens. With its large coverage area, it’s perfect for big rooms. The Wi-Fi capability allows you to control the unit remotely using a smartphone app.

The Molekule Air Mini+ stands out with its Photo Electrochemical Oxidation (PECO) technology, which not only captures but destroys allergens at a molecular level. Its portable and stylish design makes it a great fit for smaller spaces. However, its price and cost of filter replacements might be a consideration for some users.