
What is Ψg and how does it affect the performance of frames and glazing?
Ψg is the linear thermal transmittance coefficient of the frame's glazing
Aluminum frame terminology – types of frames (for doors and windows) you should know. See what types of frames exist, what types of glazing, and what is thermal transmittance, what is anodizing, what is energy-efficient glazing, etc. See the everyday terminology used for your home’s balcony doors and windows, or alternatively, learn about the technical characteristics of aluminum frames and what defines the quality – technical characteristics of frames.

Ψg is the linear thermal transmittance coefficient of the frame's glazing

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These are aluminum frames with different...

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