Learn, Shop, Track, Offset
A lot of heat can be lost through poorly insulated windows, up to 20% in some cases.
Two sheets of glass with a gap between them make up double glazed windows, with triple glazing having three sheets. The gap is around 16mm and acts as an insulating barrier which keeps the heat within the building.
Advantages include:
Windows are given an energy rating from A-G, with A being the most efficient so it is worth checking the rating of your windows, and upgrading to double glazing to save carbon and money.