When choosing a front door glass insert, there are a few key factors to consider regarding utility and aesthetics. For utility, tempered or triple-layered glass provides increased security and energy efficiency while still allowing light transmission. Modern front doors in Toronto often feature decorative glass inserts that balance natural light with privacy, using obscure glass that maintains visibility without compromising privacy. Selecting the right front door glass insert depends on priorities like safety, efficiency, aesthetics, light, and privacy.