We trust in the safety of the fresh and frozen food we buy at the market. In today’s video from Building Wisconsin TV, we’ll learn about Ammonia Refrigeration Systems which make fresh and frozen food distribution possible. Host Stuart Keith visits Summit Refrigeration Group where owners Mike Conti, Fred Anderson and Rick DeGroot provide a tour along with members of Steamfitters Local 601. We’ll check out the fabrication shop, visit a cold storage construction site and finish in a massive cold storage food warehouse. This video has over 60,000 views on YouTube.