Skip to main contentSkip to footer
Slide 1 of 12

Overview

Revitalize your space using the Blueair Blue Signature air purifier. This purifier cleans 705 sq. ft. in just 12.5 minutes and scales up to 3,385 sq. ft. in an hour. Its seven‑stage HEPASilent system captures 99.97% of airborne particles down to 0.1 microns. OdorFence technology uses natural enzymes and minerals to neutralize stubborn odours.

Blueair Blue Signature Air Purifier with HEPA Filter - Light Grey

Model: Blue Signature
Web Code: 19723537
Sold and shipped by Best Buy

Available for deliveryAvailable online only


Best Buy Protection Plan

Return Policy

30 days to return or exchange

Read return policy

Low Price Guarantee

Find a lower price anywhere else, we'll gladly match it. Exclusions apply.

See details

Manufacturer's Warranty

Check with the manufacturer for details or add Best Buy Protection for extra coverage.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Air Purifier
  • Quickly refreshes 705 sq. ft. in 12.5 minutes and up to 3,385 sq. ft. in an hour
  • Features four fan‑speed settings for customized airflow
  • Seven‑stage HEPASilent filtration with mechanical and electrostatic technologies capture 99.97% of airborne particles down to 0.1 microns, including smoke, dust, and allergens
  • OdorFence technology uses bio-based enzymes and minerals to break down odours and gas molecules
  • Auto Fresh mode uses advanced laser sensors to track air quality in real time. It automatically adjusts fan speed to keep air fresh throughout the day, and also learns your routines and adapts over time
  • Surround Boost airflow and OdorFence filter provide full‑room purification by reducing odours, gases, and VOCs with low noise and energy use
  • Use the app to adjust settings, schedule cleanings, track indoor and outdoor air‑quality trends over time, and get filter replacement alerts
  • Works with Amazon Alexa and Google Home for hands‑free voice control
  • Air quality indicator shows real‑time air quality with five clear colours—blue for excellent to red for poor. It also includes a subtle animation when the purifier is actively cleaning
  • Premium dot‑matrix screen with top‑facing controls uses motion sensing to wake as you approach
  • Playful animations like dancing moon in night mode make air‑quality info easy to understand at a glance
  • With sleek, flat‑top design, this purifier doubles as a lightweight side table for any room

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.