What type of water system can be installed to provide hot water on demand without taking up additional counter space?

A tankless water heater is designed to provide hot water on demand by heating water directly as it flows through the unit, eliminating the need for a storage tank. This type of system is highly efficient because it only heats water when necessary, which can lead to energy savings over time. Moreover, since it doesn't require a bulky storage tank, it takes up significantly less space compared to traditional hot water systems.

In contrast, a traditional hot water tank stores a large quantity of water, which requires a dedicated space in the home, often leading to valuable counter or storage space being utilized. Meanwhile, an instant water cooler primarily serves the purpose of providing cold water, not hot, and is unrelated to hot water heating. A water filtration system, while essential for ensuring clean drinking water, does not provide hot water at all. Therefore, the tankless water heater stands out as the optimal choice for those needing a space-efficient, on-demand hot water solution.