The new Dux 26L/min features a 6.4 star equivalent efficiency rating, making it one of the most energy efficient of any non-condensing 26L water heater sold on the Australian market. This equates to less gas consumption and greater running cost savings. Compact and efficient, Dux’s latest range of Continuous Flow units are an excellent option for Australian homes. Dux gas continuous flow water heaters heat the water only as needed, not wasting energy by keeping water in a tank hot.