At, MicroHeat Technologies Pty Ltd we provide water heating appliances which is highly efficient. Their water heating appliance like that of electric hot water heater provides a continuous flow of hot water. It does not use any heat exchanger or heat elements. With its usage very little or minimal energy is lost like 1W to 1.5W. The water heater they offer comes with 3 year full replacement warranty. For further details and information about the water heater and their specification do log on to the official website http://www.microheat.com.au/