We have a revolutionary Patented (138 countries) Low low voltage computer server cooling system. 100% recyclable 100% eco friendly and 1/10th of the electricity of conventional systems using water chillers or even better when put up against standard air conditioning. Our system runs on 24v ac and as little as 6 amps! You can save Hundreds of thousands of dollars. Sounds to good to be? Call us for a presentation anywhere in the world. Our headquarters For this company is in Pretoria South Africa. Norge Green Air/ Universal Pulse trading Co. These systems are all custom built to order for all types of applications. No matter what server towers you are using , and no mater what computer servers. Does not effect any warranties. We do NOT modify your computers. Call 414-736-3040