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Higher-Performance Windows and Glazing

In this 4th installment of our Higher-Performance series, we’ll take a deeper dive into key components that impact the energy performance of fenestration. We’ll cover windows and storefronts for residential […]

QII For Contractors

In the 2019 California Energy Code, QII (Quality Insulation Installation) changed from a credit measure to prescriptive measure, meaning it sets the target for compliance. QII is a protocol for […]

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