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Hot And Cold Aisle Containment

Separating the hot from the cold aisles in a data centre prevents cold air short-circuiting straight back to the air conditioning system before it has done any useful work. This offers one of the easiest ways of reducing cooling energy costs and can be incorporated into new designs or retro-fitted in existing data centres.

About Hot and Cold Aisle Containment

Either the hot or the cold aisle can be contained and which one is best will vary from one data centre to another. Hot aisle containment has the advantage that the room as whole is at a comfortable temperature while cold aisle containment is easier to retro-fit. In principle there is no difference between the two systems in their potential for saving energy, although in practice, hot aisle containment can be run hotter than a cold aisle containment which would improve its performance. In existing data centres the type of air handling plant and the air distribution system will be deciding factors as to which solution is adopted. For example, APC in-row cooling is ideal for an enclosed hot aisle whilst an under-floor supply with room return to CRAC units would be better suited to cold aisle containment.

The Benefits

  • Preventing mixing of cold supply air with hot return air thus immediately improving energy efficiency
  • Allowing increased return temperatures which will further reduce cooling energy use
  • Reducing air volumes thus saving on fan energy
  • Eliminating ‘hot-spots’
  • Increasing AHU cooling capacities

Why Choose Future-tech?

At Future-tech we have designed and installed a broad range of aisle containment solutions and the use of hot and cold aisle containment is standard practice for all our new data centres. We have also designed and installed many retro fitted systems to live legacy facilities. This has had the benefits of removing hot spots and often increasing available cooling duty.

Steve Watt, Chief Information Officer, St Andrew’s University

“One of the key aspects to the Future-tech relationship is that we have access to the whole company, from the Engineers to the Managing Director”

Get in touch


If you require any further information or have a specific enquiry call one of our in-house consultants:

T: 0845 9000 127

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