The exterior of a single-storey school, recently completed in North Wales, is pleasant enough though conventional in style but the method of heating both the building itself and the water for pupils, staff and kitchens is anything but.rnThe school will accommodate 220 children from nursery age groups through to year six. With an eye to the future - in terms of both energy costs and environmental considerations - the education authority opted for a system using the heat always present at a more or less constant temperature in the "near-surface geothermal layer" underground.
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