Yet such technology has an immediate impact on energy consumption. “From a consumer perspective, you are not changing your lifestyle. According to Nest, the Google-owned maker of smart thermostats, its consumers have saved more than 1.4 billion kilowatt-hours over the past six years, enough electricity to power more than 135,000 US homes for a year. Products such as smart insulation and windows, HVAC (heating, ventilation and air conditioning) and control systems offer similar energy saving potential as green light bulbs, according to the IEA.Ī recent study by the US Environmental Protection Agency found consumers using programmable thermostats like the ones Cozzi has installed at home reduce energy usage by up to 30 per cent. Her research shows that the efficient use of energy in everyday activities like heating a home, lighting an office building or manufacturing goods in a factory is estimated to have saved enough energy to power Japan, the world’s third largest economy, for a full year.Īnd there is no reason why the success of LED cannot be repeated by other energy-efficient building technologies. There, she leads a group which models climate change and maps energy scenarios – analysis that informs the thinking of governments and corporations worldwide.Ĭozzi’s team is an especially important force in helping the world shift to a more sustainable energy mix, as energy efficiency can achieve much more than building wind farms or solar installations ever could. That’s because beating the drum for efficiency improvements is what Cozzi does for a living as a principal analyst at the International Energy Agency – the globe’s leading authority on energy consumption. It may seem a small gesture but as Cozzi argues, when it comes to energy efficiency, a little can go a very long way. That’s why she religiously monitors and limits electricity use at her Paris home using a smart phone app and connected thermostat.
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