Profile: California Controlled Atmosphere is a industrial refrigeration contracting firm specializing in large scale plant design, specification and installation of ammonia refrigeration systems & components. Long-term table grape storage and controlled atmosphere facilities are our specialties. Our design & build specialty consists of refrigeration for cold storage & freezer storage systems, hydro-cooling for fresh produce, wine & juice chilling, process product heating for degreening of citrus fruit and IQF freezer tunnels.