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Double-Hung Windows
SUNGYE
The Energy Efficient Modern Ventilated Design Double Hung Windows combine ventilation flexibility with A++ energy efficiency. Featuring dual sashes that tilt inward for cleaning and slide vertically for airflow, these windows are ideal for hot climates. The triple-glazed Low-E glass (with argon gas filling) and PA66 GF25 thermal breaks reduce heat transfer by 50%, lowering HVAC costs. The Constant Force Stainless Steel Balance System ensures smooth operation, while the BetterVue® Window Screen enhances visibility without compromising insect protection.
Frame Material: Anodized Aluminum Alloy with PA66 GF25 Thermal Break
Glass Type: Triple Glazed Low-E (5mm + 12mm Argon + 5mm)
Energy Efficiency: A++ (U-Factor: 1.2 W/(m²·K))
Ventilation: Dual Sash Operation (both sashes open independently)
Certifications: NFRC Certified, Energy Star Qualified
Climate Adaptability
The variable airflow control allows users to optimize ventilation during mild weather, while the Low-E coating blocks 99% of UV rays and reduces solar heat gain by 70% .
Low Maintenance
The self-cleaning glass (coated with titanium dioxide) repels dirt, reducing cleaning frequency by 60%. The anodized aluminum frame resists corrosion and requires no painting.
Sound Reduction
Optional Sound Suppression Technology (available as an upgrade) reduces external noise by 50%, ideal for urban environments .
Customization: Tailor glass thickness (4mm–8mm) and hardware finishes (brass, stainless steel) to local climate needs.
Testing: Certified to ASTM E90 standards for air leakage (<0.1 cfm/ft²) and water resistance (Class 6).
Installation: Free on-site consultations to ensure proper airflow and energy performance.
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The Energy Efficient Modern Ventilated Design Double Hung Windows combine ventilation flexibility with A++ energy efficiency. Featuring dual sashes that tilt inward for cleaning and slide vertically for airflow, these windows are ideal for hot climates. The triple-glazed Low-E glass (with argon gas filling) and PA66 GF25 thermal breaks reduce heat transfer by 50%, lowering HVAC costs. The Constant Force Stainless Steel Balance System ensures smooth operation, while the BetterVue® Window Screen enhances visibility without compromising insect protection.
Frame Material: Anodized Aluminum Alloy with PA66 GF25 Thermal Break
Glass Type: Triple Glazed Low-E (5mm + 12mm Argon + 5mm)
Energy Efficiency: A++ (U-Factor: 1.2 W/(m²·K))
Ventilation: Dual Sash Operation (both sashes open independently)
Certifications: NFRC Certified, Energy Star Qualified
Climate Adaptability
The variable airflow control allows users to optimize ventilation during mild weather, while the Low-E coating blocks 99% of UV rays and reduces solar heat gain by 70% .
Low Maintenance
The self-cleaning glass (coated with titanium dioxide) repels dirt, reducing cleaning frequency by 60%. The anodized aluminum frame resists corrosion and requires no painting.
Sound Reduction
Optional Sound Suppression Technology (available as an upgrade) reduces external noise by 50%, ideal for urban environments .
Customization: Tailor glass thickness (4mm–8mm) and hardware finishes (brass, stainless steel) to local climate needs.
Testing: Certified to ASTM E90 standards for air leakage (<0.1 cfm/ft²) and water resistance (Class 6).
Installation: Free on-site consultations to ensure proper airflow and energy performance.
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