That means the window is double-glazed, which is a good thing. But it also indicates the gap between the panes is no longer ...

The energy rating of double glazing is measured from A++ to £. Typically, A++ will give you the highest protection.

Double glazing, secondary glazing, triple glazing and even quadruple glazing. There are plenty of options open to homeowners when they look to upgrade their windows. Despite its soundproofing and ...

according to the Australian Window Association. One way to minimise heat loss and save electricity is to use double-glazed windows throughout the home. Double glazing improves the thermal ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...