Outside Air Economizers and Proper operation in Data Centers

“Correctly designed outside air economizer systems can result in significant energy and economic savings for data centers. Without proper attention to the above items, the introduction of outside air can pose additional risks to data center operation and uptime. However, if one takes into consideration these issues, a properly designed HVAC system will yield positive results.  Three issues to pay attention to: 1) Proper Mixing of Outside and Return Air, 2)Temperature and Humidity Changes 3) Building Pressurization”–Robert F. StyWhat about using liquid to cool servers instead of air? http://www.midasgreentech.com/