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Double-Hung* Double-Hung windows can be raised from the bottom and lowered from the top for two levels of ventilation. *Available in the East Region only. |
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Single-Hung Single-Hung windows can be raised from the bottom for ventilation. |
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Casement and Awning Casement windows feature a hinged sash that swings out. Awning windows are hinged at the top, and open out like an awning. |
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Sliding Sliding windows feature a sliding panel that allows for easy operation. |
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Bay and Bow Bay windows are created by joining three windows together. The Center window is fixed — cannot be opened — with your choice of casement, double-hung* or single-hung** windows angled together on either side. Bow windows feature standard-sized casement windows, joined to form a graceful curve. *Available in East Region only. |
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Special Shapes Special Shape windows are fixed — cannot be opened — and add design interest and more natural light. |
ThermaStar by Pella® windows offer the energy-efficient options that will meet or exceed ENERGY STAR® guidelines in all 50 states. ThermaStar by Pella offers you exceptional energy efficiency for the money.
Interlocking, steel-reinforced sashes help seal out drafts and provide superior structural integrity and resistance to wind.
ThermaStar by Pella windows include an Advanced Balance System that outperforms the industry standard by more than 2-to-1.* Our Advanced Balance System helps to ensure years of smooth, effortless operation.
* In testing conducted pursuant to AAMA 902-07.
Maintenance-free vinyl interior and exterior frames never need painting, and solid color throughout vinyl keeps minor dings and scratches virtually invisible.
Double-Hung Windows*— both sashes tilt for easy cleaning of the exterior glass from inside your home.
Single-Hung Windows— lower sash tilts for easy cleaning of the exterior glass from inside your home.
*Available in East Region only.
Whether you’re replacing, remodeling or doing new construction, there are ThermaStar by Pella® windows for your project. Choose from a wide selection of standard sizes or custom sizes in 1/8" increments.
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