In that time, several methods and techniques of precooling were developed, primarily to meet requirements of the large producers and markets in the United States and Europe. Pre-cooling Interest in pre-cooling fresh fruits and vegetables is increasing in Alberta. These products need an improved shelf life and must be of high quality to enter and compete in retail markets. Many Alberta market gardeners, however, do not pre-cool their produce. Often, they do not pre-cool because of the initial costs involved, the problem in deciding which pre-cooling method to use and not knowing how to effectively set up a precooling process. This publication discusses the various cooling technologies and the basis for selecting and setting up systems that will meet the needs of a wide range of market gardeners. What is Pre-cooling? Pre-cooling is the rapid removal of heat from freshly harvested produce. This process is typically done before the produce is shipped to market or put into cold storage. Although produce may be pre-cooled in a cold storage facility, pre-cooling differs from cold