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Could A New Type Of Paint Lower Home Energy Bills And Reverse The Urban Heat Island Effect?

Summary by 21st Century Tech Blog
An American industrial designer, Joe Doucet, has invented a thermochromic paint that changes colour as outside temperatures rise and fall. He claims that by shifting with the seasons, the changing colour can reduce energy needs for heating and cooling by as much as 25% annually. The paint turns dark grey in winter and white in summer as the temperature climbs to 25 Celsius (77 Fahrenheit) and above. The summer and winter views of the same house …
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21st Century Tech Blog broke the news in on Tuesday, June 10, 2025.
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