The I-Wall is an IoT-enabled built-in device that provides filtered, chilled and sparkling water. It uses smart technology for a customisable user experience, integrates an intuitive touchscreen and offers a high level of connectivity. The customisable display can be used to set the desired quantity and temperature. It also shows unit data like filter status and filling quantity of the CO₂ tank in real time and allows the user to select times when the unit should run in energy-saving mode.