“While cooling systems may not always get the same level of attention that power tends to get inside the data center, implementing an analytics application can pay for itself in one to two years. Add to that the amount of time it takes to bring on additional data center capacity and suddenly understanding the airflow throughout a data center facility quickly becomes the difference between putting a hole in the capital budget versus maximizing the value of existing IT investments.”
Read this September 2015 article from Data Center Knowledge.