DEERMA ST635W Steam Humidifier, White

The DEERMA ST635W Steam Humidifier, White is a tabletop appliance designed to increase indoor moisture levels using steam evaporation. Built with a white plastic housing, it is intended for stationary placement on desks or nightstands. It includes a built-in filter to assist with moisture processing. Operation is handled entirely through a manual rotary control. The unit runs on a standard AC power supply and is built for straightforward humidification without additional smart features.

A defining structural aspect of this model is its integrated, non-removable water tank, which requires water to be poured directly into the unit for refills. It also omits a built-in display, relying entirely on the rotary dial for user input. The appliance does not offer air-purification capabilities or an ioniser, keeping its function limited to adding humidity. This design prioritises a single purpose over multi-functional climate control. Its construction is aimed at users seeking a dedicated, manually controlled humidification device.

• 30 m² maximum room area – sized for standard bedrooms and home offices
• 280 ml/h humidification capacity – provides a steady rate of moisture output
• 4.5 L water tank capacity – holds enough water for extended operation
• 16-hour operating time – supports continuous use on a single tank fill
• 38 dB noise level – generates low sound output suitable for quiet environments
• 25 W power draw – consumes minimal electricity during active use
• 270 × 277 × 156 mm dimensions – offers a compact footprint for tabletop placement