
Blueair Blue Signature Air Purifier for Extra Large Rooms
Q: Is the sensor on this unit, laser or optical?
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Blueair Blue Signature Air Purifier for Extra Large Rooms

Let’s clear the air with Blueair. Blue Pure 211i Max HEPASilent smart air purifier quickly cleans 635 sq. ft extra-large room in about 12.5 min or up to 1,524 sq. ft XL space in 30 min & 3,000 sq. ft in 1 hour, on high. This air purifier has a Clean Air Delivery Rate (CADR) of 410 for fine smoke particles, dust and pollen.

The Levoit PlasmaPro® 400S-P Smart Air Purifier purifies the air in an area up to 1,755 sq ft (1 ACH) with noise levels as low as 22dB. Filter at least 99.97% of airborne particles down to 0.3 microns and remove VOCs, odors, fumes, and smoke with 3-stage filtration. The laser dust sensor scans surrounding air for airborne particles and displays the amount detected on the PM2.5 display. With smart control, you can control air purifier settings no matter where you are, connect to third-party voice assistants, and receive real-time notifications about air quality and filter life.

Let’s clear the air with Blueair. Blue Pure 311i Max HEPASilent smart air purifier quickly cleans 387 sq. ft medium room in about 12.5 min, up to 929 sq. ft medium space in 30 min, and 1,800 sq.ft in 1 hour on high. This air purifier has a Clean Air Delivery Rate (CADR) of 250 for fine smoke particles, dust and pollen. Energy Star Most Efficient 2023.
| Pros for Blueair - Blue Signature Smart Air Purifier for Large Rooms up to 3385 ft² - Nordic Fog | |||
|---|---|---|---|
| There were no pros for this product— | Air Quality, Noise Level, Overall Performance, Ease of use, Design | Air Quality, Noise Level, Ease of use, Overall Performance, App | Noise Level, Air Quality, Overall Performance, Design, Filter |
| Cons for Blueair - Blue Signature Smart Air Purifier for Large Rooms up to 3385 ft² - Nordic Fog | |||
| There were no cons for this product— | Price | Price, Filter Life | WiFi Connectivity |