If you want to win the world’s first double glazing quiz then you need to watch the video in my previous post and answer the following three question:
1. Where has the study been conducted? Alaska / Alfreton
2. What did Professor Howard use to demonstrate the insulation transmission of windows? Bag of Ice / Warm Edge Spacer
3. Which is more efficient at preventing heat conduction? Single pane / Double pane windows?
The first person to write down the answers below wins the goodies!
