Description
xCompact, capable air purification for everyday spaces
Meet Blue Pure 511, Blueair's most compact purifier. On its highest speed, it can clean up to 432 sq ft in about 30 minutes, or refresh a 180 sq ft room in roughly 12.5 minutes. In quiet mode, it stays whisper-quiet at about 24 dB, making it well suited for a bedroom, nursery, or small home office.
Designed for plug-and-play ease, this purifier blends into interiors while delivering a steady cadence of cleaner air. Its small footprint lets you position it on a nightstand, desk, or shelf without crowding the room, so daily routines stay uninterrupted.
How the filtration works
- HEPASilent dual filtration targets a wide range of airborne particles down to 0.1 microns, delivering thorough air refreshment.
- In practice, the system captures the smallest particles while also removing larger contaminants like dust, pollen, and smoke, helping spaces feel fresher.
Performance, efficiency, and design
- Energy Star Most Efficient certified and designed to use less energy than a typical light bulb, with strong overall performance.
- Delivers about 4.8 air changes per hour for rapid refresh in a variety of rooms, without dominating the footprint.
Customization and maintenance
Personalize the look with three washable pre-filter colors, including Arctic Trail. A genuine replacement filter is available for ongoing use, ensuring sustained performance and easy upkeep.
Setup and compatibility
Built for North American use with 110–120 V input, the Blue Pure 511 arrives ready to plug in and freshen the air in small spaces right away.
FAQ
Q: What room size is the BLUEAIR Blue Pure 511 best suited for?
A: Covers up to about 432 sq ft, with faster performance in smaller rooms.
Q: How quiet is the Blue Pure 511, suitable for bedrooms?
A: Whisper-quiet operation around 24 dB on low, ideal for bedrooms and nurseries.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
- Choosing a selection results in a full page refresh.