His climate-responsive paint, as he dubs it, appears “very, very dark gray” below 77 degrees Fahrenheit and gradually turns lighter as the temperature rises. Doucet has since filed a patent ...

Yuechao Liu, Dong Guo, Min Zhou, Shanshan Wu, Dongmei Li, Optimization method of hourly heat load calculation model for heat storage air-conditioning heating system in different climate zones, Energy ...