By using appropriate shading strategies, you can use a glazing system with a higher SC that allows more visible light. Glazing Options Mirror films are commonly used in tall office towers to reject heat. Standard reflective coatings aren't choosy, they block visible light and heat. The SC can be as low as 0.11. Mirror coatings have lost some appeal.
Reflections can be annoying and dangerous, if they blind drivers.
The reflected heat can scorch landscape plants. Tinted glass absorbs energy, which turns to heat. Some of this heat flows back outside, but some continues inward. Bronze and gray tints block much of the visible light as well as heat. While tints give the windows a noticeable color, many people like the appearance of tints better than mirror coatings.