Compact RO is a water purifier installed in the kitchen to purify harmful materials such as fine particles, rust residue, chlorinated ingredients, and heavy metals in contaminated tap water to provide clean water at room temperature or hot and cold temperatures. Hot water can be adjusted to three levels to make frequently consumed beverages such as tea or coffee. Compact RO goes beyond simply providing clean water with the aim of creating healthful drinking habits for consumers.  Each user's drinking quantity stats can be stored, so Compact NT can analyze data and offer solutions through a smartphone app. The purifier also offers a sterilization system to increase its own interior cleanliness.