FYI if you are looking for high transmission windows at a reasonable price/aesthetic..."low iron glass" is the best solution
aka normal clear white glass with no coating
strong UV + infrared transmission
Discussion
Why would you want high transmission windows?
Closed windows made of traditional glass create unnatural-light-spectrum-make-up light inside of the building that essentially tells your body it is permanently solar noon which can significantly disrupt circadian rhythm. Same problem with blue spectrum dominant LEDs. Crack or open windows to leverage the photoelectric effect or this glass above may be appropriate for your climate or energy costs. Happy to expand upon anything.
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Interesting. Glass blocks uv completely, no? Struggling a bit to understand the charts, but father you’re showing how IR usually gets filtered by most windows (whatever the cause, about 30-60%) and that’s the good stuff
No, sir. A huge majority of Earth’s surface only gets UVA and UVB light. UVB light begins and ends at the solar 30° above the horizon threshold. We need it to make Vit D. Traditional glass blocks all UVB but allows some UVA through.
Regarding IR, yes it is good but definitely not better than the whole raw spectrums across the day.
Thanks for clarifying 🙏