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A Piece of Glass Thinner Than a Credit Card Could Solve America’s $25 Billion Energy Problem

As featured in The Wall Street Journal: ultra-thin glass windows could save American households billions of dollars in wasted energy each year

Mar 24, 2025
Ultra-thin glass window technology

Sheets of glass thinner than a credit card can be bigger than a queen-size mattress. This ultra-thin glass exists because of manufacturing and chemistry breakthroughs that made possible the light, strong, scratch-resistant screens on smartphones, tablets, and watches.

The $25 Billion Problem

The Energy Department estimates that U.S. households each waste $200 to $400 a year on energy bills due to drafts, leaks, and inefficiencies, for a total of at least $25 billion a year. A new kind of window incorporating ultra-thin glass and advanced coatings could save American households billions of dollars in wasted energy each year.

A New Kind of Window

These next-generation windows allow expansive views of the outdoors while making homes quieter, more comfortable, and able to survive even the most violent weather. The technology represents a fundamental shift in how windows are designed and manufactured.

Where NxLite Comes In

Companies like NxLite are at the forefront of this revolution, developing proprietary energy-control coatings that can be applied to ultra-thin glass substrates. The result is windows that dramatically reduce heat transfer while maintaining exceptional optical clarity and light transmission.

This article originally appeared in The Wall Street Journal. Read the full piece for an in-depth look at the science, engineering, and market potential behind this transformative technology.

About NxLite

NxLite™ (pronounced “next light”) is bringing air-stable, energy-efficient, lightweight glass and glass-like solutions to the world. Our proprietary permanent, low-emissivity coatings, applicable to both glass and polymeric substrates, uniquely reduce energy consumption while cutting weight compared to conventional alternatives. Partnering with leaders in the window industry, commercial refrigeration, transportation, and beyond, NxLite is scaling this breakthrough technology for global application.

Learn more at www.nxlite.com.

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