Differentiating high solar gain and low solar gain windows
This question is related to a recent thread on measuring performance of existing windows.
Is a solar incidence meter/heat lamp setup a reasonable way to differentiate high solar gain and low solar gain windows? The solar meter is sensitive from 400 to 1100 nm (but not a flat response curve) and readings were taken at a baseline and then with glazing between the lamp and the meter. I understand that the measurement may not be accurate in terms of absolute SHGC but am I correct in assuming that there should be a measurable difference in the % transmission under these conditions?
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