After the Empire State Building in New York reported installing smart glass windows, they cut energy usage by $2.4 million and their carbon emissions by 4,000 metric tons, but smart windows are costly.
That’s why news of a new transparent spray-on coating that is much more cost-effective—while providing similar performance—is worth shouting from the tops of skyscrapers.
The simple method for adding a clear coating to existing windows to block heat and also conduct electricity could radically cut the cost of energy-saving smart windows and heat-repelling glass.
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