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Yes, Pella's exclusive weather protection system helps protect a home from leaks and drafts. Encompass by Pella windows offer solutions that will meet or exceed ENERGY STAR® guidelines in all 50 states.¹

Pella offers the following product lines made of vinyl: Pella® 250 Series, Encompass by Pella®, Pella® Hurricane Shield Series™ and Pella® Defender Series™. Pella® 150 Series is also made of vinyl, sold exclusively through Lowe's. ThermaStar by Pella® is available in the East only, exclusively through Lowe's.

In general, Pella's vinyl windows are more budget friendly than fiberglass or wood windows. Of the vinyl window product lines, Encompass by Pella® is the most affordable.

Yes, sliding windows, available in fiberglass and vinyl, offer enhanced energy efficiency. These designs have an interlocking system where the sashes come together to create a tight air seal.