Every tankless water heater generally provides hot water on-demand, meaning it heats water temperature almost instantly anytime you need it. Besides this main function, the appliance is usually equipped with some additional features to improve ease-of-use, energy efficiency, and more. One of the most fully-featured tankless water heaters is the RTG-84XN by Rheem.
Main Features and Benefits
Besides its function as a tankless water heater, the Rheem RTG-84XN has at least 4 major additional features including energy-efficient, low minimum flow rate, digital display, and warranty coverage.
1. Energy-efficient
In terms of energy efficiency, this appliance is smartly equipped with all-copper heat exchanger. Copper is one of few materials with high thermal conductivity, meaning it has an excellent ability to conduct heat. When used for heat exchanger, copper is better than other common metals such as stainless steel and aluminum. In fact, copper has a higher thermal conductivity compared with all other metals except silver. Since heat can pass through copper very quickly, less energy is required to produce hot water. [Read more...]