New window films can reduce heat lost through windows by more than 50%.

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Father rolled down his window, and the thick heat of the day spilled in.

NEWYORKER: Naima

Sears, for example, has developed a response model based on weather, e.g. targeted emails on window AC units during a heat wave targeted at relevant zip codes 3-5 days after a heat wave.

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Regular window glass deflects the majority of this heat.

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It's no secret that the Xbox 360 can get a little hot under the collar -- after all, this is the same console that drove people to build elaborate support systems or hang their power bricks out the window -- but who knew that the heat was intense enough to cook up some disgusting scrambled eggs?

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No heat, no light, except what came through a little window I could not reach.

NEWYORKER: Amundsen