NEW YORK - An Indian American man, with the help of his son, has invented a snowmelt system that helps melt snow an inch and half per hour, the media reported on Thursday. Raj Parikh, who has lived at the New Jersey house in the US since 1980, has radically redesigned it in accordance with the nature, calling it as the “Zenesis House”, hardly had to do any shovelling in the last week's snow blizzard in the country.