building cooling Archives – The Green Optimistic green tech news, since 2008 Tue, 05 Feb 2019 18:05:44 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Novel coating to keep buildings cool without air-conditioning https://www.greenoptimistic.com/novel-coating-to-keep-buildings-cool-without-air-conditioning-20190205/ https://www.greenoptimistic.com/novel-coating-to-keep-buildings-cool-without-air-conditioning-20190205/#comments Tue, 05 Feb 2019 18:05:44 +0000 https://www.greenoptimistic.com/?p=67834 Air-conditioning can account for more than 40% of the domestic energy consumption, and contributes to greenhouse emissions by making use of chemical refrigerants such as chlorofluorocarbons and halogenated chlorofluorocarbons. Global temperatures, however, keep rising, and the situation becomes more unbearable in the presence of humidity. At 80% relative humidity, temperatures of 32C can be perceived […]

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