Reality Check about this Air Purifier

BLUEAIR Blue Pure 511 is a compact air purifier designed for small bedrooms, nurseries, or home offices. It uses a combination of mechanical and electrostatic filtration (HEPASilent technology) to remove dust, pollen, viruses, and bacteria, quickly circulating clean air in spaces up to about 432 square feet. With a small footprint, low noise output, and a choice of pre-filter colors, this unit fits easily into most home environments and daily routines, making it practical for users wanting discreet air cleaning.

Reality check: While this purifier scores high for quiet operation and particle removal, several users mention confusion or frustration with its controls—particularly the power button, which can be unresponsive or tricky at times. Additionally, odor removal isn’t consistent, especially when it comes to pet-related smells. These issues matter if you’re seeking an all-in-one solution for both particles and odors, or if you expect flawless user interfaces. If your main concern is straightforward, effective air cleaning with minimal background noise, it performs well. Just be prepared for possible quirks with the controls and only modest odor control.

Who It Is For:
– Best For: People in small apartments, bedrooms, or home offices who want silent, hassle-free air particle removal
– Not Recommended For: Users wanting reliable odor elimination or those who expect perfect, intuitive controls

What Customers Say

Customers find the air purifier effective, with one mentioning it works well in a 350 sq ft room, and they appreciate its quiet operation, particularly at the lowest fan speed. Moreover, the product receives positive feedback for its size, being small enough to tuck in, and its ease of use, especially when changing filters. Additionally, customers praise its air cleaning capabilities, noting it clears dust and pollen from the air. However, the power level receives mixed reviews, with several customers reporting issues with the power button not working properly. The odor removal feature also gets mixed feedback, with some customers finding it effective while others note it doesn’t work well for pet odors.

Key Features

COMPACT FOR FRESH AIR: Only Blueair air purifiers use HEPASilent technology; Blue Pure 511 air purifier quickly cleans up to 432sqft space in 30min or 180sqft small room in about 12.5min*
POWERFUL YET WHISPER-SILENT: Ideal for bedrooms nurseries or home office with compact footprint and low noise levels; 24 dB quieter than a whisper on low and 49 dB on high
HEPASILENT DUAL FILTRATION TECHNOLOGY: Removes at least 99.97% of airborne particles down to 0.1 microns; The tiniest particles, such as viruses and bacteria, are captured, while larger particles such as dust, pollen and smoke are also removed
PERSONALIZABLE DESIGN: Our most compact air purifier seamlessly fits into your home with three Scandinavian inspired washable pre-filter colors; you can personalize your air purifier to match your interior; Arctic Trail dark gray pre-filter included
EFFICIENT AND COMPACT: Certified by Energy Star as Most Efficient model; Blueair air purifiers are whisper-silent and use less energy than a light bulb; Without taking up too much space enjoy fresh air with the touch of a button****
BLUEAIR REPLACEMENT FILTER: Blue Pure 511 Genuine Replacement Filter; B08KPFWBGM fits Blue Pure 511 Air Purifier and is designed for optimal performance
LET’S CLEAR THE AIR WITH BLUEAIR: Our Blue Pure Max air purifier comes with one filter preinstalled and a pre-filter for easy set up; This product is made for NORTH AMERICA USE ONLY and should only be used with input voltages between 110-120V
Air changes per hour (ACH): 4.8