The other two important ΔTs – the temperature differential from IT equipment exhaust to cooling unit return intake and from cooling unit supply to IT equipment intake – will account for unexpected differences between the IT equipment ΔT and cooling equipment ΔT. In an...

One of the most successful programs in data center efficiency has to be Power Usage Effectiveness (PUE), which was launched about 20 years ago. The idea is to have PUE as close to 1 as possible. A 1.0 rating means all of the power coming into the data center is used...

There is not just THE ΔT and there are not even just two ΔTs in the data center. As a matter of fact, there are four different ΔTs which contribute to the health of the data center. Two of these temperature differentials are frequently considered as a single metric:...