Energy-efficient glass with a microscopically thin coating that reflects heat while allowing light to pass through, reducing energy costs and improving comfort in buildings.

Low-E glass is energy-efficient glass with a microscopically thin coating that reflects heat while allowing light to pass through, reducing energy costs and improving comfort in buildings by controlling heat transfer. The “Low-E” designation stands for “low emissivity,” referring to the coating’s ability to emit low levels of radiant thermal energy. This advanced glazing technology is essential for modern energy-efficient construction and green building practices.

The primary purposes include reducing heating and cooling costs, improving indoor comfort by controlling heat transfer, minimizing UV radiation damage to furnishings, meeting energy efficiency codes and standards, supporting sustainable building practices, enhancing window performance without sacrificing natural light, and providing year-round energy savings in various climates.

Types and coatings involve hard coat Low-E, soft coat Low-E, double Low-E, and triple Low-E systems for different performance levels and applications.

Fun Fact: Low-E glass technology was originally developed by NASA in the 1960s for spacecraft windows! The coating is only 3-15 nanometers thick – thinner than a human hair by a factor of 10,000. Low-E glass can reduce energy loss through windows by up to 50% compared to standard glass. Interestingly, the coating contains precious metals like silver, making it literally valuable as well as energy-efficient!

• Glass Block
• Insulated Glass Unit (IGU)
• Safety Glass