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Generic question about frit and its impact on building performance..

I am trying to come up with a quick way to estimate how different levels of frit applied to glazing will impact a space. At this point all I am interested in is cooling load and annual energy use impacts. How wrong will it be to just use the simple glazing system inputs (U and SHGC) in EnergyPlus/OpenStudio? To put the question in another way, what, if any, are the impacts of adding frit to glazing other than reducing the SHGC?

Generic question about frit and its impact on building performance..

I am trying to come up with a quick way to estimate how different levels of frit applied to glazing will impact a space. At this point all I am interested in is cooling load and annual energy use impacts. How wrong will it be to just use the simple glazing system inputs (U and SHGC) in EnergyPlus/OpenStudio? To put the question in another way, what, if any, are the impacts of adding frit to glazing other than reducing the SHGC?

Generic question about frit and its impact on building performance..

I am trying to come up with a quick way to estimate how different levels of frit applied to glazing will impact a space. At this point all I am interested in is cooling load and annual energy use impacts. How wrong will it be to just use the simple glazing system inputs (U and SHGC) in EnergyPlus/OpenStudio? To put the question in another way, what, if any, are the impacts of adding frit to glazing other than reducing the SHGC?