Profile: Delta Ice, Air & Heat, Inc. designs and manufactures the Sno-Block® ice machine The Sno-Block® machine freezes the ice in perfect size & texture blocks for the snow-ball shavers. It freezes the block from the bottom up. The Sno-Block® cabinet is constructed of durable gel-coated fiberglass with foamed-in-place insulation. Spinner-block ice machine is designed to make round cylinder ice for the hatsuyki and swann shavers.