Engineering the Future of Architectural Comfort™
The next revolution in architecture is not how buildings are constructed. It’s how people experience them.

Engineering Architectural Comfort™
IQ Radiant Glass® Technology transforms glazing into an active Architectural Comfort™ system.
For the Undercroft project, this advanced performance was essential. Electrically heated glazing raises the interior glass-surface temperature, eliminating the cold-wall effect, improving mean radiant temperature, and preventing condensation. The result is a more balanced indoor environment with fewer downdrafts, reduced temperature variations, clear views, and greater comfort near expansive glazed areas—without relying solely on heated air.
IQ Radiant Glass® Technology
Proof of Concept Beneath the Lincoln Memorial
SELECT JANSEN PRODUCTS & SYSTEMS
Architectural Artistry, Classical & Contemporary available with Electrically Heated Glass
Learned Experience on America's Greatest Buildings
IQ Radiant Glass® Technology transforms glazing from a passive building material into an intelligent, high-performance architectural system.
Our advanced electrically heated glazing eliminates condensation, improves thermal comfort, enhances visual clarity, and contributes to overall building performance. By warming the interior glass surface rather than simply heating the surrounding air, IQ Radiant Glass® eliminates the cold-wall effect, maintains the glass above the dew point, and creates healthier, more comfortable environments with unobstructed views.
Designed to work seamlessly with modern steel and aluminum framing systems, IQ Radiant Glass® helps architects and engineers create buildings that are more energy efficient, sustainable, and comfortable—redefining the role of glass in modern architecture.

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