planning:thermal_protection:windows:window_certification:start
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planning:thermal_protection:windows:window_certification:start [2014/09/18 18:19] – external edit 127.0.0.1 | planning:thermal_protection:windows:window_certification:start [2022/02/15 19:54] (current) – admin | ||
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Important factors in determining a window' | Important factors in determining a window' | ||
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- | \varPsi_{opaque} = \varPsi_{g} +\dfrac{U_{f}\cdot A_{f}}{l_{g}} | + | \Large{\varPsi_{opaque} = \varPsi_{g} +\dfrac{U_{f}\cdot A_{f}}{l_{g}}} |
- | </ | + | $$ |
After the certification program, the introduction of this classification system proved to be the second major incentive to continue improving the energy efficiency of windows. The trend toward wider frames and, in turn, worse Ψ< | After the certification program, the introduction of this classification system proved to be the second major incentive to continue improving the energy efficiency of windows. The trend toward wider frames and, in turn, worse Ψ< | ||
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===== Read more ===== | ===== Read more ===== | ||
- | //These in-depth articles are available exclusively to iPHA members!// | ||
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- | [[planning: | + | [[planning: |
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[[http:// | [[http:// | ||
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+ | (read also in {{ : |
planning/thermal_protection/windows/window_certification/start.1411057157.txt.gz · Last modified: 2014/09/18 18:19 by 127.0.0.1