Water dispensers are convenient drinking devices that provide cold, hot, or room temperature drinking water, widely used in homes, offices, and public places. Modern water dispensers feature smart temperature control, energy-saving and environmentally friendly attributes, and multiple filtration functions to ensure safe and healthy water quality. Some high-end models also support UV sterilization and Internet of Things (IoT) control, enhancing user experience. In terms of the environment, water dispensers should be placed in well-ventilated, clean areas that are away from high temperatures and humidity, avoiding direct sunlight. Regular cleaning and disinfection of the water tank and pipes are essential to prevent bacterial growth. Choosing energy-efficient water dispensers can reduce carbon emissions, while designs made from recyclable materials help to lower environmental pollution, aligning with sustainable development principles.