Lang Exterior Blog

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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

R5 Super Series

We make Being Eco-Friendly Easy The largest source of heat loss in a consumer’s home could be greatly improved upon when purchasing an R5 window. It may be possible to … Continue reading

March 15, 2012