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Blueair Blue Signature Medium vs. Dreo Macro Max AS compared

Air Purifier

At a glance

The key numbers for both devices side by side.

Overall rating
75Gut
74Solide
Value for money
62Fair
65Fair
Best price
€299.00
€185.72€229.99−19 %
Price advantage
—
€113.28 cheaper
Offers
1 shop
1 shop
Rank in category
Rank 25 of 54
Rank 28 of 54

Rating

Sub-ratings compared

Blueair Blue Signature MediumOverall rating 75Dreo Macro Max ASOverall rating 74
CleaningperformanceNoise levelAutomode & sensorsRunningcosts & consumptionEaseof use & build quality
Blueair Blue Signature MediumDreo Macro Max AS
Cleaning performance84/10084/100
Noise level68/10066/100
Auto mode & sensors68/10068/100
Running costs & consumption70/10068/100
Ease of use & build quality74/10076/100
Cleaning performance
84
84
Noise level
68
66
Auto mode & sensors
68
68
Running costs & consumption
70
68
Ease of use & build quality
74
76

Specs

Specs compared

Key specs

Brand
Model
Blue Signature Medium
Macro Max AS
CADR particlesClean air delivered per hour for particles according to the manufacturer in m³/h – the most important performance figure; the room size is calculated from it
545.4 m³/h
500 m³/h
Room size up toCalculated from the CADR: CADR ÷ 12.5, rounded to whole m² (five air changes per hour at a 2.5 m ceiling height) – this makes all units comparable, as manufacturer figures often assume only one air change; leave blank if there is no CADR
44 m² (474 sq ft)
40 m² (431 sq ft)
Filter classClass of the main filter per EN 1822 according to the manufacturer (ISO 29463: ISO 35 H = H13, ISO 45 H = H14) – H13 and H14 retain fine dust and pollen almost completely; “True HEPA” or “HEPA-type” without a class counts as “HEPA, no class stated”
HEPA, no class stated
H13 (HEPA)
Noise level at lowest settingNoise at the lowest setting (night mode) according to the manufacturer in dB – important for the bedroom
19 dB
42.1 dB

Filters & air

Filter change everyReplacement interval of the main filter according to the manufacturer in months
12 months
6 months
Activated carbon filterAccording to the manufacturer, an activated carbon filter traps odors and gases – important for cooking fumes, smoke and pets
Yes
Yes
SensorsWhich air values the unit measures according to the manufacturer – with a sensor, it adjusts itself in auto mode; leave blank if there is no sensor
Gases (VOC)
PM2.5 particles
Air quality indicatorHow the unit shows the measured air quality according to the manufacturer – as a color ring or with a reading (e.g. PM2.5) on the display
Reading on display
Color indicator
IonizerIon, plasma or “active oxygen” technology according to the manufacturer – it can produce ozone, so being able to switch it off is better
Ionizer cannot be turned off
No ionizer
UV sterilizationUV-C lamp inside the unit for sterilization according to the manufacturer
No
Filter change indicatorAccording to the manufacturer, indicates when the filter needs to be replaced
Yes
Yes

Consumption & noise

Noise level at highest settingNoise at the highest setting according to the manufacturer in dB – this is where the unit reaches its CADR
54 dB
64.7 dB
Power consumptionPower consumption at the highest setting according to the manufacturer in W
36 W
49 W
Standby consumptionPower consumption in standby according to the manufacturer in W – usually slightly higher with Wi-Fi
0.96 W

Controls & comfort

Fan speedsNumber of manually adjustable fan speeds according to the manufacturer, excluding auto and night mode
4 levels
3 levels
Night modeDedicated night mode according to the manufacturer: quietest setting, dimmed or switched-off display
Yes
Yes
Display shut-offAccording to the manufacturer, the display and lights can be dimmed or switched off completely – important in the bedroom
Yes
Yes
Timer up toLongest timer setting according to the manufacturer in hours
12 hours
Child lockButton lock according to the manufacturer
Yes
Yes
Remote controlRemote control included according to the manufacturer
No
Smart homeWhat the unit can be controlled with according to the manufacturer – leave blank if there is no app
Manufacturer appAlexaGoogle Assistant
Manufacturer appAlexaGoogle Assistant

Features & dimensions

WeightWeight according to the manufacturer in kg – important if the unit moves between rooms
4.3 kg (9.5 lb)
5.74 kg (13 lb)
Dimensions (W × D × H)Width × depth × height according to the manufacturer in cm – e.g. “27 × 27 × 52 cm”
29.7 × 29.7 × 49 cm (12 × 12 × 19 in)
28 × 28 × 53.1 cm (11 × 11 × 21 in)

General

Warranty
1 years
2 years
Price segment
Premium
Model year
2025
In the box
Luftreiniger, Vorfilter in Standardfarbe
Luftreiniger Macro Max AS, Filter, Benutzerhandbuch, Wichtige Sicherheitshinweise

Prices

Offers

Blueair Blue Signature Medium

Dreo Macro Max AS

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Verdict

Pros & cons

Der Blueair Blue Signature Medium ist ein Luftreiniger und Beistelltisch zugleich. Mit 545 m³/h CADR reinigt er Wohnzimmer von 25 bis 35 m² zügig und braucht dabei nur 36 W. Der Haken: Der Ionisator lässt sich nicht abschalten, und die leiseste Stufe ist lauter als die angegebenen 19 dB. Für ein kleines Schlafzimmer zahlst du für Leistung, die du dort nicht brauchst.

Pros

  • 545 m³/h CADR reichen für Wohnzimmer von 25 bis 35 m² mit Reserve
  • Dient mit glatter Deckplatte als Beistelltisch neben Sofa oder Sessel
  • Sparsam: rund 110 kWh im Jahr bei acht Stunden Volllast täglich
  • Filterwechsel ohne Werkzeug in wenigen Minuten
  • App mit Zeitplänen, Luftwerte-Verlauf, Alexa und Google Assistant
  • Mit 4,3 kg leicht von Raum zu Raum zu tragen

Cons

  • Ionisator weder am Gerät noch per App abschaltbar
  • Leiseste Stufe deutlich lauter als die angegebenen 19 dB
  • Ersatzfilterring ist der größte laufende Kostenfaktor
  • Matte Deckplatte bekommt schon früh feine Kratzer
  • Clip am neuen Filterring schließt nur fummelig

Der Dreo Macro Max AS ist ein reiner HEPA-Luftreiniger mit geprüften 500 m³/h und reicht für Räume bis 40 m². Feinstaub sinkt in einer Stunde um 96 Prozent, und die Anzeige lässt sich fürs Schlafzimmer abschalten. Der Haken: Der Sensor erkennt nur Partikel, die Aktivkohle ist knapp bemessen, und auf Turbo wird er mit 64,7 dB laut. Die Messwerte stammen vom Vorgänger Macro Max S.

Pros

  • Geprüfte CADR von 500 m³/h, genug für 40 m² bei fünf Luftwechseln
  • Senkt PM2,5 im 30-m²-Raum binnen einer Stunde um 96 Prozent
  • Anzeige per App abschaltbar, Lichtsensor dimmt bei Dunkelheit
  • Waschbarer Vorfilter, Kombifilter erst nach etwa sechs Monaten fällig
  • Sparsam: auf Stufe 1 nur 6,3 W, im Standby 0,8 W
  • Rein mechanische Filterung ohne Ionisator

Cons

  • Sensor erkennt nur Feinstaub, bei Gerüchen manuell hochschalten
  • Dünne Aktivkohle-Schicht, hartnäckige Gerüche bleiben im Raum
  • Schlafmodus mit 42,1 dB im stillen Schlafzimmer hörbar
  • Zeitplan nur per App, keine Automationen außerhalb davon
  • Keine Tragegriffe, Umstellen zwischen Zimmern bei 5,74 kg umständlich

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