
ThermaStar by Pella® awning windows are:
EASY TO MAINTAIN
Vinyl never needs painting and won't rot — plus, ThermaStar by Pella vinyl window and patio doors are quality-built to perform beautifully year after year.
EASY TO INSTALL
Easy to follow installation instructions save you time and help ensure the job is done right. Choose from a wide selection of standard sizes and custom sizes in 1/8" increments for an exact fit. Plus, factory-assembled window combinations save time by making installation easier.
BUILT TO PERFORM
All ThermaStar by Pella products are made of high-quality vinyl, so you're assured a consistent look and high performance with every window and patio door. Interlocking sashes on windows (panels on patio doors) help seal out drafts and improve energy efficiency.
ENERGY EFFICIENT
All ThermaStar by Pella windows and patio doors with Low-E insulating glass meet or exceed ENERGY STAR® guidelines in all 50 states.
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