Energy efficient display cases and state-of-the-art refrigeration systems are what Zero Zone is known for. Established in 1961, Zero Zone is a leading manufacturer of refrigerated display cases and commercial refrigeration systems for supermarkets, drug, dollar, and convenience stores. With display case plants in North Prairie and Waukesha, WI and a refrigeration systems plant in Ramsey, MN, Zero Zone also manufactures industrial refrigeration systems for cold storage, food processing, pharma, and ice arenas.

As a responsible environmental steward, we are actively developing and testing new refrigeration systems which utilize natural refrigerants like CO2, ammonia and glycol. We are focused on perfecting “Green” technologies to solve our customers’ current and future refrigeration requirements, while protecting the planet we all share.