Product comparison · 2 humidifiers

Clean Air Optima CA-604W humidifier Ultrasonic vs Philips HU4903/02 humidifier

12specifications compared
10differ
2identical
29known for one product only

Key differences

The Philips HU4903/02 humidifier has 0.2 L more water tank capacity than the Clean Air Optima CA-604W humidifier Ultrasonic (4 L vs 3.8 L). The Clean Air Optima CA-604W humidifier Ultrasonic has 5 m² more suitable for room area up to than the Philips HU4903/02 humidifier (55 m² vs 50 m²). The Clean Air Optima CA-604W humidifier Ultrasonic has 145 ml/h more humidification capacity than the Philips HU4903/02 humidifier (400 ml/h vs 255 ml/h). Product colour: White on the Clean Air Optima CA-604W humidifier Ultrasonic, Metallic, Silver on the Philips HU4903/02 humidifier. AC input voltage: 220 - 240 V on the Clean Air Optima CA-604W humidifier Ultrasonic, 220-240 V on the Philips HU4903/02 humidifier.

Water tank capacity
- CA-604W humidifier Ultrasonic:3.8 L
- HU4903/02 humidifier:4 L
Suitable for room area up to
- CA-604W humidifier Ultrasonic:55 m²
- HU4903/02 humidifier:50 m²
Humidification capacity
- CA-604W humidifier Ultrasonic:400 ml/h
- HU4903/02 humidifier:255 ml/h
Noise level
- CA-604W humidifier Ultrasonic:25 dB
- HU4903/02 humidifier:38 dB
Operating time
- CA-604W humidifier Ultrasonic:10 h
- HU4903/02 humidifier:11 h
Product colour
- CA-604W humidifier Ultrasonic:White
- HU4903/02 humidifier:Metallic, Silver
AC input voltage
- CA-604W humidifier Ultrasonic:220 - 240 V
- HU4903/02 humidifier:220-240 V
Width
- CA-604W humidifier Ultrasonic:210 mm
- HU4903/02 humidifier:340 mm

Side by side

Differences highlightedShow differences only

Comparison of CA-604W, HU4903/02
41 specifications	A Clean Air Optima CA-604W humidifier Ultrasonic Model CA-604W View product	B Philips HU4903/02 humidifier Model HU4903/02 View product
Technical details5 differ
Evaporation technologyKnown for one	Ultrasonic	Unknown — not stated by the source
Water tank capacityDiffers	3.8 L	4 L
Air purification capabilityKnown for one	Yes	Unknown — not stated by the source
Suitable for room area up toDiffers	55 m²	50 m²
Suitable for room volume up toKnown for one	140 m³	Unknown — not stated by the source
Automatic modeKnown for one	Yes	Unknown — not stated by the source
Timer duration (maximum)Known for one	12 h	Unknown — not stated by the source
Humidity sensorKnown for one	Yes	Unknown — not stated by the source
Auto power offKnown for one	Yes	Unknown — not stated by the source
Compliance certificatesKnown for one	CE, RoHS, WEEE	Unknown — not stated by the source
Control typeKnown for one	Touch	Unknown — not stated by the source
FilteringKnown for one	Yes	Unknown — not stated by the source
Humidification capacityDiffers	400 ml/h	255 ml/h
HygrometerKnown for one	Yes	Unknown — not stated by the source
IonizerKnown for one	Yes	Unknown — not stated by the source
Noise levelDiffers	25 dB	38 dB
Number of speedsKnown for one	3	Unknown — not stated by the source
Operating timeDiffers	10 h	11 h
Relative humidityKnown for one	30 - 75%	Unknown — not stated by the source
Removable filterKnown for one	Yes	Unknown — not stated by the source
Removable water tankKnown for one	Yes	Unknown — not stated by the source
Sleep modeKnown for one	Yes	Unknown — not stated by the source
Smartphone/tablet remote supportKnown for one	Yes	Unknown — not stated by the source
Country of originKnown for one	Unknown — not stated by the source	South Korea
Design1 differ
Product colourDiffers	White	Metallic, Silver
Built-in displayKnown for one	Yes	Unknown — not stated by the source
Display typeKnown for one	LCD	Unknown — not stated by the source
LED indicatorsKnown for one	Speed, Timer, Wi-Fi	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Water level indicatorKnown for one	Yes	Unknown — not stated by the source
Power1 differ
PowerKnown for one	30 W	Unknown — not stated by the source
AC input frequencyKnown for one	50 / 60 Hz	Unknown — not stated by the source
AC input voltageDiffers	220 - 240 V	220-240 V
Power consumption (typical)Known for one	30 W	Unknown — not stated by the source
Power supply typeKnown for one	AC	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	210 mm	340 mm
DepthDiffers	215 mm	316 mm
HeightDiffers	290 mm	415 mm
WeightKnown for one	2.8 kg	Unknown — not stated by the source

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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