Company promises “free” hot water and heating by waste heat from server rack




The German company Cloud & Heat promises offices and homes after placing a server cabinet ‘free’ heating and hot water. Before use, the residual heat of the servers. These are connected to the Internet via Cloud & Heat. The company puts the servers for cloud computing purposes.

Cloud & Heat put the server hardware as an interested party makes a payment of 12,000 euros for including the fireproof server cabinet. Some pictures from the server cabinets in an article about the German start-up show about twenty servers are placed in the cabinet, but the company itself does not releasing details on the exact hardware that uses it.

After placing the server hardware, the system is also linked to any existing heating a home or an office. The residual heat that develop the servers in their computing tasks are not only heated one or more areas, including water may be heated. In order to keep hot water available when the server cabinet temporarily not process computing tasks and thus generates virtually no heat, there is an extra water tank present.

The heat of the Cloud & Heat servers during the term of the contract, usually fifteen years, free to use, although the heat if necessary, be removed, for example, if it is summer. Furthermore, the company pays for fifteen years the electricity and internet costs, it should be noted that a separate Internet will be constructed.

Cloud & Heat rents based on the OpenStack cloud platform available computing capacity in the fragmented cluster of companies and other interested parties. The company believes it can save its decentralized set-up costs because it does not need to hire expensive spaces in data centers with energy-guzzling cooling systems. The environment would benefit by utilizing the waste heat and businesses and households which have placed a server rack could significantly save on energy costs.

According Cloud & Heat servers are adequately protected. For example, the cabinets have a burglar alarm and could access workers only get to the internal hardware. Also, all data is stored encrypted and get the system serviced annually. The company also based on privacy rules promises to store all data within Germany. It is unclear, however, how much the reliability of the associated infrastructure is in comparison to data centers, which often are equipped with backup systems.


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