$31m to improve energy efficiency of windows

The US is investing $31 million (£21.8m) to improve the energy efficiency of existing single-pane windows in commercial and residential buildings. A total of 14 schemes will receive a share […]

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By Jacqueline Echevarria

The US is investing $31 million (£21.8m) to improve the energy efficiency of existing single-pane windows in commercial and residential buildings.

A total of 14 schemes will receive a share of the fund to develop innovative window coatings and windowpanes.

The Single-Pane Highly Insulating Efficient Lucid Design (SHIELD) programme is expected to accelerate the development of materials that could cut the amount of heat lost through single-pane windows in half without replacing the full window.

Retrofitting, rather than replacing single-pane windows, can reduce heat loss and save the amount of electricity needed to power 32 million of US homes per year, according to the Department of Energy.

The project teams are developing window technologies which will improve thermal insulation, reduce condensation and enhance occupant comfort.