American Water Heaters is a leading manufacturer of high-quality water heater products with manufacturing, research and development, and corporate offices located in Johnson City, TN. American offers a comprehensive line of residential water heaters, including the Polaris(R) High Efficiency gas heater, as well as commercial water heaters including the Commercial Condensing Ultra-Low NOx Indoor natural gas tankless water heater with X3® Scale Prevention Technology. American also offers a wide variety of Energy Star certified products, such as the Premier® Power Direct Vent High Efficiency gas water heater with an efficiency of up to 96%. From gas and electric water heaters to tankless models and even solar thermal, American has a model to fit every unique need.