Vacuum double glazing is perfect for residential windows retrofitting for below reasons:

1.Improve windows energy performance by 100%,help overall building energy rating to new stage.

2.Improve windows acoustic performance by 20%.

3.Decrease windows retrofitting time and costs by about 100%.

4.Vacuum glazing fit any existing windows frame,whether heritage building steel windows,wood windows,PVC windows or aluminium windows.

5.Replacing glass with vacuum glazing is quick and faster,avoid disturbing daily life.

6.Help building owners free from condensation.VIG can prevent condensation effectively.