ThermaStar by Pella® Windows. Value backed by Pella.
In a typical home, ENERGY STAR® certified windows can save an average $101 – $583 a year when replacing single-pane windows.35 The temperature throughout your home will be more comfortable and consistent.
ENERGY STAR® Performance. ThermaStar by Pella products offer the energy-efficient options that will meet or exceed ENERGY STAR guidelines in all 50 states.1
Improved overall strength. The multichambered fully welded sash and frame improve the strength and thermal performance of windows.
Fewer worries about drafts and leaks. Steel-reinforced interlocking window sash increase energy efficiency by providing added wind resistance.
Years of smooth operation. Our Advanced Balance System ensures your double- and single-hung windows will open and close easily.31
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Pella® vinyl windows are backed by the Pella Limited Lifetime Warranty – one of the best warranties in the business. See written warranty for complete details.
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Pella has a steadfast commitment to quality – going beyond what meets the eye.
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Get answers to your installation questions in our comprehensive Pella window and door installation guides.
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