Immediately. Most customers are surprised to learn that many of their storage units are operating out of their intended range and running inefficiently. Many institutions take temperature readings only once or twice per day and any fluctuations in between these readings go undetected. On the other hand, Guardian interface system measures temperature several times per minute. It will then quickly and clearly reveal all the issues and trends with your monitored equipment so that immediate corrective action can be taken. The interface system provides immediate peace-of-mind derived from a high level of confidence and comfort in the integrity of your systems and equipment, as well as very tangible benefits realized from enhanced operating efficiency.