Disadvantages
Deep water source cooling requires a large and deep water quantity in the surroundings. To obtain water in the 3 to 6 °C (37 to 43 °F) range, a depth of 66 m (217 ft) is required.
The set-up of a system is expensive and labour-intensive. The system also requires a great amount of source material for its construction and placement. For example, the pipes alone can range several hundreds of metres or feet when placed end to end.
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