If you don't think that you have ever come in contact with refrigeration engineering you are wrong! At some point during the week most people come in contact with this and don't even know it. If you own a convenience or grocery store you definitely come in contact with it, in fact you might even need help getting it serviced. Refrigeration engineering simply refers to the way your refrigeration system works. From time to time these systems run into problems which may require that you call on a professional.
Industrial refrigeration is found in many places. As was mentioned above you will find refrigeration systems at your local grocery store and convenience stores, at ice skating rinks, and other large spaces that need to be kept cold. When working properly, the system will keep the area at the preferred temperature which can be changed according to need. As you can see, industrial refrigeration touches our lives a lot more than we might think and if something goes wrong it can go really wrong and affect not just one person but a whole community.
Most grocery stores and food processing plants use what is called ammonia refrigeration. Ammonia works its way through the lines of the system and effectively cools all of the products and space within the system. If the ammonia levels are not exactly right it can lead to higher than desired temperatures. If you are experiencing an increase in temperature it could be due in large part to not enough ammonia. In some systems you can add ammonia yourself or you may need to call out a professional.
Most grocery stores and the like have a refrigeration professional on contract so whenever there is an issue they can simply call on the company that provides them with the services to come out and fix the problem within a couple hours. Depending on your contract, the company will ensure that the problem is fixed within a certain time frame, when possible. For companies it is important to have someone on contract because if the space gets too warm it could potentially ruin hundreds or even thousands of dollars worth of products.
For this reason, many people are going into the refrigeration engineering field. This is a job that is in high demand. You can see why when you stop and realize how many places use refrigeration systems and the possibility that at some point every day, someone will need their system fixed or serviced. Refrigeration is a big business for those that use it and those that service it despite the fact that most people don't realize how much it really does do for them.