Product comparison · 2 air purifiers

Clean Air Optima CA-501 15 m² vs Clean Air Optima CA-503B 30 m²

27specifications compared
13differ
14identical
29known for one product only

Key differences

Air purify rate
- CA-501 15 m²:25 m³/h
- CA-503B 30 m²:140 m³/h
Suitable for room area up to
- CA-501 15 m²:15 m²
- CA-503B 30 m²:30 m²
Suitable for room volume up to
- CA-501 15 m²:37 m³
- CA-503B 30 m²:75 m³
Noise level
- CA-501 15 m²:25 dB
- CA-503B 30 m²:50 dB
Timer duration (maximum)
- CA-501 15 m²:4 h
- CA-503B 30 m²:12 h
Noise level (high speed)
- CA-501 15 m²:25 dB
- CA-503B 30 m²:50 dB
Noise level (low speed)
- CA-501 15 m²:20 dB
- CA-503B 30 m²:10 dB
Product colour
- CA-501 15 m²:Black, Grey
- CA-503B 30 m²:Black

Side by side

Differences highlightedShow differences only

Comparison of CA-501, CA-503B
56 specifications	A Clean Air Optima CA-501 15 m² Model CA-501 View product	B Clean Air Optima CA-503B 30 m² Model CA-503B View product
Features7 differ
Air purify rateDiffers	25 m³/h	140 m³/h
Suitable for room area up toDiffers	15 m²	30 m²
Suitable for room volume up toDiffers	37 m³	75 m³
Noise levelDiffers	25 dB	50 dB
Timer duration (minimum)Known for one	Unknown — not stated by the source	1 h
Timer duration (maximum)Differs	4 h	12 h
Humidifier functionKnown for one	Unknown — not stated by the source	No
Humidity sensorKnown for one	Unknown — not stated by the source	No
Connectable to internetKnown for one	Unknown — not stated by the source	Yes
Smartphone/tablet remote supportKnown for one	Unknown — not stated by the source	Yes
Voice controlKnown for one	Unknown — not stated by the source	No
Apps functionsKnown for one	Unknown — not stated by the source	Remote start, Scheduler
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi frequencyKnown for one	Unknown — not stated by the source	2.4 GHz
Noise level (high speed)Differs	25 dB	50 dB
Noise level (low speed)Differs	20 dB	10 dB
PM2.5 sensorKnown for one	Unknown — not stated by the source	Yes
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Motor typeKnown for one	Unknown — not stated by the source	DC
Noise level (night mode)Known for one	Unknown — not stated by the source	10 dB
Clean Air Delivery Rate (CADR) (particle)Known for one	Unknown — not stated by the source	140 m³/h
Number of speedsKnown for one	4	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Black, Grey	Black
Control typeKnown for one	Unknown — not stated by the source	Remote, Touch
Built-in displayKnown for one	Unknown — not stated by the source	Yes
Indication lightKnown for one	Unknown — not stated by the source	Yes
On/off switchKnown for one	Unknown — not stated by the source	Yes
PlacementDiffers	Ceiling	Floor
Filtering1 differ
Particle filterKnown for one	Unknown — not stated by the source	Yes
Anti-allergy filterKnown for one	Unknown — not stated by the source	Yes
Filter cleaning indicatorKnown for one	Unknown — not stated by the source	Yes
Filter replacement requiredKnown for one	Unknown — not stated by the source	Yes
Filtering capabilityKnown for one	Unknown — not stated by the source	Allergens, Animal hair, Bacteria, Cigarette smoke, Microbes, Formaldehyde, Fine dust, Dust mites, Mold, Odors, Pollen, Skin flakes, Viruses
Number of filter stagesDiffers	5	4
Power1 differ
Power consumption (max)Differs	3 W	22 W
Weight & dimensions1 differ
DepthKnown for one	Unknown — not stated by the source	206 mm
HeightKnown for one	Unknown — not stated by the source	274 mm
WeightDiffers	330 g	1.89 kg
WidthKnown for one	Unknown — not stated by the source	206 mm
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	No
Other features1 differ
Country of originDiffers	Germany	China

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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