0:06 What do low energy buildings need?
1:24 How do you measure insulation?
2:20 How do you measure airtightness?
5:05 What happens if it'a not airtight?
6:02 How to get condensation (!)
7:46 Fresh air
10:34 How many air changes per air per person
12:08 How can you change air?
13:01 Natural ventilation
14:20 Is too much ventilation bad?
15:43 Heat loss through ventilation
17:02 Degree hours (G)