Raising the thermostat is the single most simple energy saving move a data center can make.
Here are some reasons why not all companies do:
* Colocation data centers have to be all things to all people
* Concern over higher failure rates and performance issues
* Cultural norms and inertia
* Fear, uncertainty, doubt (fud)/ignorance
* Intolerable work environment
* Some HVAC equipment can’t handle higher return air temperatures
* Thermal ride-through time
Top 7 Reasons Data Centers Don’t Raise Their Thermostats from Data Center Knowledge