Comparison Electrolux EHW-620 vs Electrolux EHW-600

Maximum performance provided by the humidifier — that is, the maximum amount of air that it can pass through itself in an hour. This parameter is most relevant for models with a purifier function (see “Type”). However, it can also be specified for humidifiers.

The flow rate is selected by manufacturers, taking into account the area and, accordingly, the volume of the room for which the device is designed. For efficient operation, the device must be able to pass the entire volume of processed air through itself at least once per hour (or better, two or three times). At the same time, for models with the same area of the room, different air flow indicators can be declared - accordingly, the processing speed and efficiency will differ.

We also note that the recommended area of the room can be estimated by air flow if the latter is not stated in the specs. For example, if the device provides 200 m³/h, this means that the volume of the room can be no more than 200 m³, which, with a standard ceiling height of 2.5 m, gives an area of 200/2.5=80 m². And ideally, the area should be even 2-3 times smaller — that is, it should be about 25-40 m².

The noise level generated by the air cleaner when operating in low or night mode. Most of these devices are used in domestic conditions, so the noise level plays an important role, especially at night. According to sanitary standards, constant noise in such rooms should not exceed 40 dB (quiet conversation) during the day and 30 dB (wall clock ticking) at night. More detailed comparison tables and recommendations can be found in special sources.