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ivix | 2 years ago

Cooling the stations is not an engineering challenge. It's a budget challenge. Installing and operating huge chillers is a solved problem.

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> Cooling the stations is not an engineering challenge. Installing and operating huge chillers is a solved problem.

Not correct in context. You cannot successfully chill air without having a place to vent the resulting waste heat.

Where, in deep tube lines, to vent the waste heat, is _not_ a solved problem. It _is_ an unsolved engineering challenge.

The heat has been accumulating there for decades.

As detailed here

At a certain point it seems like there'd be enough stored energy to justify some heat pumps for nearby building heating.