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All IT servers produce heat, but it’s important for the optimum operation of the servers that they do not overheat. All data centers therefore use cooling systems to remove this heat from the data halls.

Cooling systems can be responsible for a significant proportion of a data center’s energy consumption. Using energy efficient cooling systems not only saves money but improves sustainability and lowers your carbon footprint.

The Nordic region has a cold but stable climate. With average high daytime temperatures below 5°C across the region for six months of the year, there are considerable opportunities for natural cooling.

How do Data Center Cooling Systems Work?

Data center cooling systems remove the heat produced by the IT infrastructure. The energy used to cool customer equipment can be managed by good operational control, reducing consumption without affecting service delivery. One such tactical measure is the use of 'free cooling' available from low seasonal outdoor temperatures in the Nordics. Our innovative, award winning Air-to-Air cooling systems maximize these advantages to reduce the need for artificial cooling which saves money and resources.

What is the Ideal Temperature for a Data Center?

The relationship between optimum performance and heat is paramount for energy efficient data center operations. This is recognized in the design of servers that are now capable of operating efficiently at temperatures that are higher than previous generations of IT servers. As such, the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) has increased the recommended server inlet temperatures to be between 18 and 27 degrees Celsius (64.4 to 80.6 degrees Fahrenheit).

Data Center Cooling Standards

Increasing the operating temperature set points in the data center reduces the demand for cooling and reduces the energy needed to cool the data center. DigiPlex recommends that customers operate their data halls at slightly higher temperatures than they might have been used to whilst remaining within the ASHRAE recommended envelope to further decrease their operating costs.

Types of DigiPlex Data Center Cooling

Air-to-air innovative cooling systems

Our current data centers use our award winning Air-to-Air evaporative cooling which capitalizes on the cool climate of the Nordics to deliver extremely efficient cooling. It works in line with nature to save energy, reduce costs and decrease the environmental footprint. This technology employs low ambient air temperatures for computer hall cooling rather than energy-consuming refrigeration plant. This can result in energy savings of up to 25% compared to the industry average, without loss of quality.

Concert control

DigiPlex’s innovative concert control solution is the intelligence behind some of the most energy efficient data centers operating anywhere in the world.

Concert control uses a ground-breaking algorithm to optimize the performance of DigiPlex’s already energy-efficient evaporative cooling system. This pioneering solution accurately controls the provision of data hall cooling based not only on data hall temperature but also on electrical power consumed by the data servers. This way, cooling demand is accurately matched to IT heat load.

Cold-hot aisle containment

Air flow management within the data hall is essential for energy efficient data hall cooling. Cold/hot aisle containment measures ensure a more cost effective and efficient way to cool the servers. Heat escapes through a dedicated system whilst cold air is channeled specifically where it needs to be. In this way, only the server racks are kept cool – not the whole data center.

Energy-efficient lighting systems

We use motion-activated controls and/or LEDs to reduce energy consumption and ambient heat from operating lights.
 

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