"Suburban Construction did a good job on our windows. They explained which windows would work best in our house, installed them quickly and at a fair price. Their customer service is excellent. They r... » more
- Karen Thomson of Orion, Illinois


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Visible transmittance (VT)

The percentage or fraction of the visible spectrum (380 to 720 nanometers) weighted by the sensitivity of the eye that is transmitted through the glazing.

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