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Comment on A film that can cool buildings without the use of refrigerants

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Seems innovative and awesome if true, but it is not so awesome as to be without issues. Clearly this is great for places that are always warm, slap this stuff on every building in Texas.

But what about places with erratic weather, or even just seasonal changes? It seems like this will need to be some way to flip this stuff.

The article says that the material is only half the solution. The other half is pipes with water to move the heat to the material so it can be dissipated. I assume that if you stop moving as much water, it doesn't cool as much. (It can't radiant heat that isn't there.)

So that's definitely a limitation, but I wouldn't call it an issue --- this would have plenty of application!

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