California Energy Consultant Service
Window Installation, Replacement Window, Double Hung Windows
Both sash on Double Hung windows open fully.
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Special shape windows include angled, rectangular or curved shapes that do not vent.
Created by mulling three windows at either 30- or 45-degree angles
Sash are hinged on top and crank out and upward.
Sash are hinged on the side and crank open a full 90 degrees* for maximum ventilation.
One sash opens and closes by gliding from side to side, while the other remains fixed.
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