Blueair · Updated July 2026
Blueair Blue Signature Medium: price, specs & release date
Blueair Blue Signature Medium, released 2024. Every price and spec below is linked to its source and dated — no guesses.
Source: blueair.com verified ✓ corroborated verify in ledger
The Blueair Blue Signature Medium is listed at $299.99 on blueair.com as of 2026-07-25, #9 cheapest of 21 air purifiers (median $299.99); other retailers may be lower. It earns a Gold Deskmark — 71/100 pay-blind standing, #2 of 19 in class.
Verified Jul 25, 2026 · figures linked to their source in the table below
- Best for Furniture-like design that blends into a room; Quiet operation.
- Skip if No VOC (volatile organic compound) sensor is a dealbreaker.
Price history
$299.99How we know these prices
The curve above is one dated record of this product's price on its own source page — our own tracking combined with Internet Archive snapshots reaching back before we began. Every archived point links to the snapshot that proves it, so you can verify each one yourself.
Verify each point — 2 archived snapshots
- 2026-03-10 — $249.99 · snapshot ↗
- 2026-05-07 — $299.99 · snapshot ↗
Is the Blueair Blue Signature Medium a good buy?
At $300, the Blueair Blue Signature Medium is #7 cheapest of the 21 air purifiers we track, where the median is $299.99. On the spec sheet, its noise db min of 19 is the lowest of the 19, its cadr smoke of 321 CFM is above the median of the 15, and its coverage of 498 sq ft is below the median of the 22. By release date, it is among the newer of the 16 we date.
Evidence of Record
Our data- Independent labsmeasured it
- 2
- Physical metricsrecorded
- 9
- Outlets on recordall tested
- 2
Two independent labs measured this product across 9 physical metrics — noise, speed, power and 6 more. With a second lab on record, each figure comes from more than one independent hands-on source — a measure of how much evidence exists, not a rating of the product.
noise · speed · power · daily energy use · odor clear time · flour particle clear · perfume odor clear · dry shampoo detection · air quality return
Review consensus · sourced & dated
What reviewers say about the Blueair Blue Signature Medium
Two whitelisted hands-on testers (Tom's Guide, TechRadar) reviewed the Blueair Blue Signature and both rate it highly for its furniture-like looks, quiet running and fast odor removal. Both note it lacks any VOC sensor. Tom's Guide additionally measured low, efficient power draw; TechRadar separately flagged that the tabletop scratches easily and the optional wood/chrome bases are overpriced.
Based on 2 reviews · 2 lab-tested · 2025-07-23–2025-10-19
Tested by Tom's Guide, TechRadar
Consistently praised
- Furniture-like design that blends into a room · 2 sources
- Quiet operation · 2 sources
- Strong, fast odor removal · 2 sources
- Low, efficient power consumption
Commonly flagged
- No VOC (volatile organic compound) sensor · 2 sources
- Optional wood/chrome bases are overpriced ($80-$100)
- Tabletop surface scratches easily
- No germ-killing capability
Where reviewers disagree No verdict conflict - both testers are broadly positive. The only cross-source gap is measured top-speed noise: Tom's Guide recorded 58.5 dBA (at 36 in) versus TechRadar's 55 dB, reflecting different test distances/methods rather than a genuine dispute.
The sources (2)
Noise, fan off (measured 36 in, 37.0 dBA background): 37.2 dBA · Noise, fan speeds 1-3: 38.3 / 41.0 / 51.6 dBA · Noise, top fan speed: 58.5 dBA · Airflow, top speed (measured 1 ft away): 7.0 mph · Power consumption: 2.2-40.6 watts · Daily energy use, Auto mode: 800 watt-hours · Odor clear time (blown-out candle): 6 min 41 sec · Flour particle clear time: 1 min 30 sec · Perfume odor clear time: 2 min 10 sec
In any case, the Blue Signature is a powerful air cleaner that can also double as a footrest or end table.
While in use, the Blue Signature's power needs were modest, making it one of the most efficient devices of its kind with a measured power consumption from 2.2 to 40.6 watts.
the Blue Signature lacks a volatile organic compound sensor or any way to kill airborne germs.
Noise, top fan speed: 55 dB · Noise, fan speed one: 27 dB · Dry shampoo detection time (sprayed ~2 ft away): ~16 sec · Air quality return to "good" after detection: ~20 sec
The Blueair Blue Signature is, without a doubt, the best-looking purifier for extra-large rooms I've come across.
It appears that the Blue Signature does a better job of tackling odors than other purifiers I've tested, as it made short work of removing the fragrance from the dry shampoo following my testing.
I must admit that I consider these grossly overpriced, which is a shame, as they would greatly improve the aesthetic.
Specifications
| Price (US) | $299.99 — current on record (was $224.99) |
|---|---|
| Brand | Blueair |
| Released | 2024 |
| Cadr smoke (CFM) | 321 |
| Coverage (sq ft) | 498 |
| Hepa | Yes |
| Filter type | HEPASilent 7-stage filtration + Activated Carbon + OdorFence Technology |
| Noise db min | 19 |
| Smart | Yes |
| Energy star | — |
Source: blueair.com (verified 2026-06-15) · corroborated by blueair.com. blueair.com product page (Blue Signature Medium, SP3i variant) confirms CADR pollen 330 / dust 309 / smoke 321 cfm, 498 sq ft recommended coverage, noise 19–54 dB, WiFi + Blueair app + VOC sensor + motion-activated touchscreen, 7-stage HEPASilent with OdorFence. Energy Star not mentioned on product page; not confirmed. Price $224.99 from manufacturer page. Released 2024 per 'New Blue Signature' marketing language.
Is the Blueair Blue Signature Medium worth it vs cheaper air purifiers?
Blueair Blue Signature Medium against its closest cheaper and pricier air purifiers on the specs that matter — every value sourced. See all 21 ranked
| Product | Price | Cadr smoke (CFM) | Coverage (sq ft) | Hepa | Filter type | Noise db min |
|---|---|---|---|---|---|---|
| Blueair Blue Signature Medium this | $299.99 | 321 | 498 | Yes | HEPASilent 7-stage filtration + Activated Carbon + OdorFence Technology | 19 |
| Winix 5520 | $259.99 | 253 | 392 | Yes | Fine Mesh Pre-filter + AOC Carbon + True HEPA + PlasmaWave (4-stage) | 23.5 |
| Blueair Blue Pure 211i Max | $349.99 | 443 | 674 | Yes | HEPASilent dual filtration (mechanical + electrostatic) + Activated Carbon, 4-layer | 23 |
Frequently asked questions
What do reviewers say about the Blueair Blue Signature Medium?
Two whitelisted hands-on testers (Tom's Guide, TechRadar) reviewed the Blueair Blue Signature and both rate it highly for its furniture-like looks, quiet running and fast odor removal. Both note it lacks any VOC sensor. Tom's Guide additionally measured low, efficient power draw; TechRadar separately flagged that the tabletop scratches easily and the optional wood/chrome bases are overpriced. Praised: Furniture-like design that blends into a room; Quiet operation; Strong, fast odor removal; Low, efficient power consumption. Flagged: No VOC (volatile organic compound) sensor; Optional wood/chrome bases are overpriced ($80-$100); Tabletop surface scratches easily; No germ-killing capability. (From 2 tester reviews, 2 lab-tested.)
How much does the Blueair Blue Signature Medium cost?
The Blueair Blue Signature Medium has a US price of $299.99, as of 2026-07-25.
How does the Blueair Blue Signature Medium compare on price?
At $300, the Blueair Blue Signature Medium is #7 cheapest of the 21 air purifiers we track, where the median is $299.99.
Has the Blueair Blue Signature Medium's price dropped?
No — since 2026-03-10 the Blueair Blue Signature Medium has risen 20%, from $249.99 to $299.99; the lowest we have recorded is $224.99 (2026-06-27).
What is the lowest price the Blueair Blue Signature Medium has been?
The lowest we have recorded for the Blueair Blue Signature Medium is $224.99 on 2026-06-27.
Is now a good time to buy the Blueair Blue Signature Medium?
The Blueair Blue Signature Medium is currently $299.99; the lowest we have recorded is $224.99 (2026-06-27). Every price is dated, so you can judge it against its own history.
When was the Blueair Blue Signature Medium released?
The Blueair Blue Signature Medium was released 2024.
What are the Blueair Blue Signature Medium's key specs?
Blueair Blue Signature Medium (Blueair): cadr smoke cfm 321, coverage sqft 498, hepa Yes, filter type HEPASilent 7-stage filtration + Activated Carbon + OdorFence Technology, noise db min 19. Full sourced spec sheet verified 2026-06-15.
What is the manufacturer model code for the Blueair Blue Signature Medium?
SP3i (item number 4412311000) — per manualslib.com, verified 2026-07-21. Blueair's product map lists the Blue Signature SP3i as item number 4412311000; the larger SP4i carries 4312111000/4312112000.
Price of record: $299.99 at blueair.com, 2026-07-25. Other retailers may be lower — check the current price:
See Blueair Blue Signature Medium on Amazon As an Amazon Associate we earn from qualifying purchases.Similar air purifiers
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