Windows
0:00 Opening
0:10 Claims and questions
2:27 "We used special insulting paint on our house"
3:10 "These bricks have foam in the middle to help them insulate better"
4:19 "This wall insulation will reduce your heating bills by 90%"
5:16 Windows
6:45 The best insulators
8:53 Double glazing
9:59 The 1970s oil shock
11:32 Double glazing TV advertisment
12:48 Thickness of air
14:26 Why does thicker stop being better?
16:40 Other ideas to improve windows
17:38 Emissivity
18:41 Transmission, reflection and absorption
21:10 Low-e coating
21:47 More ideas to improve windows
23:00 Summary of window developments
24:25 Problem solving steps
24:25 Finding the U value of a paper wall
26:44 Data and equations for the calculation
27:40 Dimensions of the window
28:59 Closing
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