Sub-Zero Group, Inc. is a privately-held American company that manufactures and sells luxury kitchen appliances.

It now sells domestic cooking appliances from kitchen stoves, cooktops, wall ovens, warming drawers and ventilation equipment.

The company's products compete with those made by Viking, Dacor, Thermador, GE Monogram, KitchenAid, JennAir and Miele.

[5] Sub-Zero manufactures two series of built-in refrigeration as well as wine storage and under counter units.

[citation needed] The Sub-Zero 424 Wine Cooler has held virtually the same design since the early 1990s.