While it's highly likely you've heard of double glazing – window made with two panes of glass separated by an air gap for ...

The thermal insulation that double-glazed windows provide can make a difference to your energy bill, but that isn't the only ...

Pilkington has a glass product called energiKare that can achieve a U-value of 0.9 in a double glazed centre pane, for example. There are lots of interesting glazing technologies besides triple ...