Rheem is introducing Rheem Maximus, a super high-efficiency gas water heater designed with a powerful, efficient burner. ENERGY STAR certified, Maximus reduces energy use and carbon emissions by up to 36 percent and NOx emissions by up to 75 percent and features 100% recyclable packaging. With combined power vent and power direct vent, this water heater allows homeowners, especially those with larger homes, to enjoy optimal hot water performance while benefiting from energy cost savings. Created to give homeowners ample hot water access, the unit’s sustainable design is up to 55 percent more efficient than a standard gas water heater.