Is vacuum glazing the same as double glazing?
2023-10-27
No, they are different types of glass solutions that have different thermal performance and characteristics. Vacuum glazing eliminates air convection between two panes of glass by creating a vacuum cavity, which reduces heat transfer and improves thermal and sound insulation. Double glazing uses air or gas to fill the gap between two panes of glass, which allows some heat transfer and convection. Vacuum glazing has a lower U-value and a higher solar heat gain coefficient than double glazing, which means it is more energy efficient and reduces heat loss. Vacuum glazing is also thinner and lighter than double glazing, which makes it more versatile and compatible with listed buildings.
