US invests $30m in energy efficient homes

An investment worth $30 million (£19.5m) will help make homes and buildings more energy efficient. The loan comes from the US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E). The […]

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By Jacqueline Echevarria

An investment worth $30 million (£19.5m) will help make homes and buildings more energy efficient.

The loan comes from the US Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E).

The projects will focus on developing innovative materials to retrofit windows to explore the benefits of double insulated windows and reduce their heat loss by 50%.

Building heating accounted for 14% of the nation’s total energy consumption in 2013, stated ARPA-E.

Around a quarter of that energy is wasted by heat leaking through windows, it added.

It estimates retrofitting single-pane windows can reduce heat loss and save the amount of electricity needed to power 32 million houses per year.