Lang Exterior Blog

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The Lang Exterior, Inc.™ Guide to Window Options

Window Options CleanFree glass is specifically designed to eliminate frequent, strenuous exterior glass cleaning. CleanFree is an application added during manufacturing process that repels water and prevents the glass surface … Continue reading

April 1, 2014

The Lang Exterior, Inc.™ Guide to Energy Efficient Windows

Energy Efficient Argon is an inert gas which means it does not react with many other elements, and is about 25% more dense than air. That is why we offer … Continue reading

April 1, 2014

The PowerWeld 1650 Slider + Enhanced Glass package

RESULTS   U-Factor: 0.303   SHG: 0.267   CVT: 0.506 Windows must be ordered with the Enhanced Glass Package to get these ratings. Project Summary Architectural Testing, Inc. was contracted … Continue reading

February 26, 2014

How Low-E Glass Works

According to U.S. Government estimates, an average household spends more than 40% of its annual energy budget on heating and cooling. A heat-reflective coating can add to the energy efficiency of … Continue reading

February 12, 2014

What is the most energy efficient replacement window?

Krypton vs. Argon One of the most sought after qualities in a replacement window is energy efficiency. Most people however wouldn’t know how energy efficiency can be achieved with different window … Continue reading

April 3, 2012

Learn About Lang’s Enhanced Glass Package

Are you interested in becoming more energy efficient? With Lang’s New Enhanced LowE and Argon Package you can save money on your energy bills, and become more energy efficient. In these … Continue reading

March 29, 2012