Patent attributes
A system and method for collecting and purifying rainwater. The system includes a humidifier including a heat exchanger for preheating collected rainwater. The preheated water is output to a heater. The heater heats the water to between about 80 degrees C. and about 100 degrees C. The humidifier also includes a nozzle coupled to an outlet of the heater. The nozzle injects water vapor into the humidifier. The humidifier also includes a fan capable of circulating the water vapor in an inner volume of the humidifier. The water vapor condenses on an outer surface of the heat exchanger. The system also includes a collector for collecting the condensed potable water from the outer surface of the heat exchanger and a delivery system for delivering the potable water.