Refrigeration controls let users know if temperatures are off balance or if there has been a power outage. These accurate, energy-saving devices are located inside refrigerators and make inventory more manageable because they function with fewer parts. Newer refrigeration controls are able to alert users if the compressor needs to be replaced or if the relay is about to fail. In some instances, the controls are connected to the internet and they can alert technicians of any problems. This prevents food from spoiling and loss of profits which would more likely occur if you called a technician by phone, and then had to wait for them to come out to your business to assess the problem. Refrigeration controls also feature better defrost management that keeps temperatures stable. This element prevents food from suffering an increase and decrease in defrost temperatures, thus enhancing the quality of food and reducing shrinkage.