Single Stage - One point of Contact with the snow. Great for paved drive ways and sidewalks. The perfect choice for 12" or less snow fall. Cleans down to the pavement. Auger driven and light weight.
Two Stage - Two points of contact with the snow. Snow is gathered inward by slow turning augers. It then hits the high - speed impeller, which throws it out of the chute. Great for larger areas, plowed and deeper snow.