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Raising Inlet Air Temperatures in the Data Center: Pros and Cons

Some data center operators are using increasingly warmer server inlet air temperatures to save energy and expand economizer usage. ASHRAE has expanded the acceptable humidity and temperature ranges it recommends for server environments. And some experts have gone as far to suggest inlet air temperatures could be expanded up to 95 degrees.

Matt Stansberry, Executive Editor of SearchDataCenter, talks with Robert McFarlane, Principal and Data Center Expert for Shen Milsom and Wlke, to discuss the tradeoffs of using warmer server inlet air temperatures to save energy.


Robert McFarlane Principal and Data Center Expert, Shen Milsom and Wilke Robert McFarlane has spent more than 35 years in communications as both a consultant and teacher. His experience spans every segment of the industry including cable design, fiber optics, data communications, telephony, data center facilities, financial trading systems, satellite earth stations, video and multi-media and acoustics. As a pioneer in the field of building cabling design, Bob authored papers that set forth fundamental principles for the industry that are still followed today. He was also instrumental in the development of video teleconferencing, giving nationwide seminars on room and system design before writing the foundation paper, published in Architectural Record, which set the standards for this field. Robert has spoken at countless seminars on building infrastructure for electronic communications, evolving technologies and the highly demanding requirements of data center design and financial trading floors. Bob currently teaches the Data Center Facilities course in the Marist College IDCP (Institute for Data Center Professionals) Certification Program and is a member of the Adjunct Faculty of New York University where he lectures in telecommunications.
Schneider Electric
05 May 2009

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