Blueair Blue Signature Large Air Purifier review

About the Blueair Blue Signature Large

The Blue Signature Large is a floor unit that Blueair designed to pass as furniture. It comes in two colors, Midnight and Nordic Fog, and can be fitted with fabric pre-filter covers and accessories such as wooden table legs or a metal disc. Blueair presents it as something that can double as a side table. The legs and base are sold separately.

Filtration is HEPASilent, which combines electrostatic and mechanical filtering. A washable fabric pre-filter sits over the main filter, and the main filter wraps around the body and clips on. It uses pelleted activated carbon for odors. Housefresh measured a PM2.5 CADR of 434 cfm on the AHAM method.

The unit has built-in air quality sensing and works through the Blueair app. Auto mode picks a fan speed from the sensor reading. Night mode dims the lights and drops to the lowest speed. You can also set schedules and lock the display. A filter tracker follows real usage and alerts you, with Blueair giving up to a year of filter life. Housefresh puts it nearer nine months in practice.

It measures about 17.3 inches tall, 15.7 inches wide and 15.7 inches deep, and weighs about 13.2 pounds. That is a big footprint for a purifier, and the fabric cover is harder to wipe clean than a plastic shell.

What owners report about the Blueair Blue Signature Large

Little owner feedback turned up for this exact model in the pages that could be opened, so this page does not claim a pattern from owners. Retailer review pages and forum threads were not reachable during research.

What the published reviews read for this page agree on: the design draws praise, filter upkeep costs more than on most mid-size purifiers, and the top speed is loud. Housefresh recorded about 60 dBA at 3 feet on the top setting, while sleep mode and the lowest speeds sat in the mid-30s.

Who the Blueair Blue Signature Large suits

This purifier suits a large living room, open-plan space or a bedroom where a plain plastic tower would look out of place. It fits shoppers who want app control and automatic fan speeds, and who will run it mostly on the lower, quieter speeds.

Look elsewhere if you are on a tight budget or want low upkeep: the Shark NeverChange Air Purifier HP152 is built for low ongoing cost. For a smaller room, the Levoit Core 300S-P Smart Air Purifier is smaller and quieter. For a very large open-plan space where looks matter less, consider the Coway Airmega 400S.

Questions about the Blueair Blue Signature Large