美国环境保护署（U.S.Environmental Protection Agency）最近的一份报告显示，数据中心目前约占美国能源消耗的1.5%，预计到2013年，能源消耗将翻一番。毫无疑问，必须齐心协力降低数据中心的能耗。众所周知，节约能源的最有效方法是降低It设备内的能耗，因为这种节约是如何在整个基础设施中级联的，但本文的重点将仅限于冷却系统。 在数据中心应用中，节能器（流体或空气）的应用有时被视为降低能耗的最终方法。尽管如此，本文的目的是表明数据中心可以采用其他节能方法，从而实现非常有利的节能和较低的系统总拥有成本（TCC）。本文包括一个案例研究，展示了使用节能器系统（液体或空气）的设备和安装成本，以及每个系统的能耗。 除了节能，在决定采用更节能的解决方案时，还必须考虑总体拥有成本。设备和安装成本以及年度能源成本用于计算和比较15年期间的总拥有成本。引文:ASHRAE会议论文，2010年，第116卷，pt。新墨西哥州阿尔伯克基2号

A recent report by the U.S. Environmental Protection Agency indicates that data centers now account for approximately 1.5% of energy consumption in the United States, with energy consumption expected to double by 2013. No doubt, a concerted effort must be made to reduce energy consumption in the data center. It is known that the most effective way to conserve energy is to reduce consumption within the IT equipment because of how this savings cascades throughout the entire infrastructure, but the focus of this paper will be only on the cooling system. The application of economizers, either fluid or air, is sometimes viewed as the ultimate method to reduce energy consumption in data center applications. Nonetheless, the purpose of this paper is to show that other methods of energy reduction can be employed in the data center, resulting in very favorable energy savings and low system Total Cost of Ownership (TCC). This paper includes a case study, showing equipment and installation costs of with economizer systems, either fluid or air, along with the energy consumption of each.In addition to energy savings, total cost of ownership must also be considered when deciding on employing more energy efficient solutions. Equipment and installation costs, along with annual energy costs, are used to calculate and compare total cost of ownership over a 15-year period.