To enable one person to easily, safely and efficiently perform the removal of snow from a roof which is extremely hard labor, and the removal of a large quantity of snow lying on a stadium, a park, a sidewalk, or the like in an area in need of daily snow removal work such as a heavy snowfall area.

High pressure compressed air supplied from a compressor 2 is powerfully blasted at an ultra-high speed in large capacity from a nozzle 5 to blow away and remove the snow lying on the roof 9, the ground, or the like, and hot water is sprayed to a place rid of the snow 11, to liquefy or vaporize the remaining snow 11 for removal.