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gray home exterior with impact-resistant windows

Designed to weather the storm.

Pella® Defender Series™

Pella Defender Series windows are always ready to handle storm. Engineered to protect you and your home, our impact-resistant windows can withstand hurricanes and increasingly stringent coastal requirements. You can count on these high-performance windows every day to deliver improved noise reduction, excellent energy efficiency and security against intruders. And with nearly 100 years in the business, you can trust Pella has you covered.

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Blocks Nearly 100% of UV Rays

Pella Defender Series windows with laminated, insulated glass block 99.7% of UV rays, protecting your carpet, artwork and furniture from fading. Keep your home quiet, more comfortable and protected year-round with windows that provide noise reduction, excellent energy efficiency and help prevent against intruders.

Designed to Do The Work, So You Don't Have To.

Simplified storm protection

Designed to weather the storm with exceptional durability, Pella Defender Series impact-resistant windows protect your home and everything inside. To prep for the storm, just close and lock your windows.60 It’s that simple.

Reliable, everyday performance

Pella Defender Series windows not only stand up to the storm, they provide noise reduction, excellent energy efficiency and protection against intruders. Keep your home quiet, more comfortable and protected year-round. Laminated, insulated glass blocks 99.7% of UV rays, helping protect your carpet and window treatments from fading.

Precise-installation frame design

When it comes to performance, installation matters. That’s why Pella Defender Series products are equipped with a precise-installation frame design. With installation holes pre-drilled into the frame, your home is secured quicker and easier.

Reliable Protection for Your Home

Pella Defender Series windows will help protect your home and everything inside.

Protect What Matters Most

Help prevent intruders with shatter-resistant, laminated glass.

Noise Reduction

From the roar of the storm to barking dogs and traffic, Pella Defender Series windows help reduce more sound than products with non-laminated glass.

Improved Energy Efficiency

With insulating air chambers and argon gas between panes of glass to help reduce the transfer of heat and improve energy efficiency.

UV Protection

Protect furniture, carpet and window treatments from fading with advanced glass technology.

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The Pella Difference

With Pella, you get so much more than stunning windows and doors. We go beyond industry requirements when testing our windows and doors and continuously innovate.


Pella products are backed by some of the strongest warranties in the business.

Learn more about Pella warranties