Bosch Thermotechnology’s new line of tankless gas-condensing water heaters, the Greentherm 9000 Series, offers nine models for high-efficiency domestic hot water in residential or commercial applications. The series features an energy factor of 0.99 with thermal efficiency of 100 percent, and has an operating range between 9,000 and 190,000 Btu. Wi-Fi is an option, enabling homeowners to control the water heater remotely via a free mobile app. Each model offers conversion to LPG using the included manifold injector kit, which eliminates stocking both LP and NG units. 800/283-3787; www.boschheatingandcooling.com.
 


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