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- Types of glazing and their specific values
- ough 1 m² of such a window were equivalent to the energy expenditure from 60 litres of heating oil => Assuming average energy prices in Germany, each square metre of such a window "costs" € 42 in heating energy each year. Not only the energy losses are increased, however. Due to the poor insulaton, the cold can d
- PHI window certification: previous success and new climate zones @planning:thermal_protection:windows:window_certification
- n \\ Important factors in determining a window's energy balance include the thermal values for the glazin... second major incentive to continue improving the energy efficiency of windows. The trend toward wider fra