Fulltext results:
- Types of glazing and their specific values
- han for any other building component. The overall heat transfer coefficient (U<sub>w</sub>-value) of win... -value was about **5.5 W/(m²K)**, * the annual heat losses through 1 m² of such a window were equivalent to the energy expenditure from 60 litres of heating oil => Assuming average energy prices in Germ... ach square metre of such a window "costs" € 42 in heating energy each year. Not only the energy losses