The NuWave OxyPure stands out as the best air purifier for bedrooms due to its powerful filtration system and quiet operation. Equipped with a five-stage filtration process, including a HEPA filter and activated carbon pellets, this purifier effectively removes a wide range of airborne particles. Its large size may be more suited for bigger bedrooms, but it operates quietly, making it ideal for overnight use. The washable filters and smart sensors that adjust fan speed according to air quality add convenience, ensuring uninterrupted sleep.

The Levoit Vital 200S offers a perfect balance between performance and affordability. This mid-range air purifier operates almost as quietly as the NuWave, making it a great option for those who want effective air purification without breaking the bank. The device includes a built-in light sensor that automatically dims the display in dark conditions, enhancing its suitability for nighttime use. While it lacks some advanced filtration features, it still provides robust protection against allergens and pollutants, making it a reliable choice for most bedrooms.

For those looking to save on costs without compromising on essential features, the Levoit Core 300 is an excellent option. While it doesn't offer smart features like Wi-Fi connectivity, it delivers solid air purification with a three-stage filtration system. Its compact size and straightforward operation make it a practical choice for smaller bedrooms. Although it lacks some of the high-end features of more expensive models, its performance at this price point makes it a standout in the budget category.

The Levoit Core 200S is the best choice for small bedrooms, thanks to its compact design and efficient air purification capabilities. It fits easily on dressers or shelves and, despite its size, offers a reasonable level of air cleaning. The device includes Wi-Fi connectivity, allowing users to control it via an app, set schedules, and receive notifications. Although it has a slightly lower performance compared to its larger counterparts, its small footprint and smart features make it ideal for tight spaces.