Heat from Below: How Madrid's Metro Could Cut Heating Costs by 50% for Thousands

Madrid enables you to have a heater that is fueled by the warmth of underground tunnels.

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The heat extracted from tube stations allowed more than a thousand households to take hot showers.

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Madrid's plan is changing urban living by warming houses and lowering carbon impact.

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The underground in your city: a green energy treasure or merely a means of transportation?

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Madrid took a risk by converting subway heat into significant home savings

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Warmth from the tube is being used to heat dwellings, a step towards sustainable cities.

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When tube heat is up for grabs, why burn additional fuel?

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Find out how the hub of urban heating solutions might be transformed into subway stations.

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