Coolgenic cold aisle containment

Optimise your data centre, drive return on investment and contribute to a greener future with cold aisle enclosures that optimise your server rack cooling system.

About Cold Aisle Containment

Cold aisle containment is one of the most widely-recognised data centre containment solutions. Coolgenic is Cross-Guard’s leading brand of cold aisle containment.

Although sometimes referred to as a data centre cooling solution or server cooling system, cold aisle containment does not generate cooling for servers. Instead, it manages airflow around your data centre, which ultimately results in server rack cooling by maximising the efficiency of the existing server room cooling system within your data centre.

While keeping servers at ambient temperatures without the need to increase energy consumption, cold aisle containment results in cost savings, power usage effectiveness with better return on investment.



Cold aisle containment is one of the most widely-recognised data centre containment solutions to maximise the effectiveness of server rack cooling. Coolgenic is Cross-Guard’s leading brand of cold aisle containment.

  • Cost savings and energy savings
  • Improved power usage effectiveness (PUE)
  • Longer-lasting IT equipment
  • Reduced carbon emissions in the environment
  • Excellent return on investment
  • Reduced hot spots

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Satisfied Clients

Vassil G


I just wanted to say that your team did a really good job.  Thank you and looking forwrad to a new project with Cross-Guard!

Mike Lawrence


"Cross-Guard are an excellent company to deal with. Technical questions are dealt with very efficiently, products are well manufactured and delivered on time."

Matt Holloway

European Datacentre Manager at ControlCircle, Dartford, UK

"I have used Cross-guard for all my secure cage builds and designs for over 10 years have always found them to be professional and their work to be of the highest quality."

Gary Kilmister

Head of Data Centres at Pulsant Limited, Colchester, UK

"I have used Cross-guard over the last 10 years in my various capacities. I am not easily pleased, but the quality of the cage works, professionalism with pre and post sales and installs is second to none. I have no hesitation in using them where the opportunity presents itself and happy to recommend."

Reka Dobsi

Office and Marketing Manager at Catsurveys Group, Southend on Sea, UK

"We have used Cross-guard for the first time and we have been very impressed with the excellent service and fast turnaround they have provided us with. I would highly recommend them."

Bhavesh Amin

Data Centre Manager at TATA Communications Ltd. (FKA VSNL), Reading, UK

"I recommend this product."

Martin Buckley

Facilities Technician at Digital Realty, Ireland

"I worked with Cross-Guard at a data center facility based in Paris, France. I found their quality of workmanship and install team always a pleasure to work with and would highly recommend them."

Matthew Reid

UK Data Centre Manager at CGI, Newport, UK

"I have used Cross-guard on several occasions and have always found their work exceptional, delivered on time and to budget; I would always use Cross-guard for work in and around secure environments."

Adam Matthews

Construction Manager at Overbury

"I first used Cross-Guard back in 2006 and found service, product and staff to be very good, I have subsequently used them several times over the past few years for cages and security doors. In my line of business the big questions are would I recommend Cross-Guard and would I use them again? Yes and Yes."

John Maccallum

Data Centre Manager at TelecityGroup, London, UK

"Quality product with excellent before and after sales service."