RDH Building Science

Argon gas is used within IGUs to improve thermal performance. As windows have a relatively low R-value to begin with, every improvement including low-e coatings, gas fills, and extra glazing layers are important. As we strive for more energy efficient buildings, enhancements such as using argon gas fill will become more commonplace. Based on a number of argon fill projects we have reviewed recently, the initial and ongoing argon fill in IGUs is variable.

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