Operational for more than 70 years, Sub-Zero is a manufacturer of refrigeration solutions and cooling applications. It provides refrigerators, freezers and wine storage units for more than 60 years. Sub-Zero is a provider of professional cooking equipment for restaurants and hotels. The company offers built-in refrigeration, wine storage, PRO 48 and undercounter refrigeration products. Sub-Zero offers catalyst condominiums, kitchen trends and interactive kitchen vignettes in a variety if colors and styles. It maintains an online portal that provides kitchen tips, recipes, and planning and design information.