Great Lakes Windows

The Grandview 5000 product line offers energy efficient custom designs with decorative and cut glass options.

• Energy Star® windows

• Heavy duty weather stripping

• Wood grain finishes or new generation vinyl with integrated no fade color

• Pinch fusion welding construction instead of the staples, screws, or caulk used by some companies

• R-Core insulation: window mainframes and sash are filled with patented R-Core® high density polyurethane insulation, the same type used in freezer and refrigerator doors

Oklahoma Windows from Sooner State come with a lifetime service and product warranty. As a BBB member with 30 years in the business you can count on our company to stand behind our products and installation services.

Windows with Energy Efficiency

• HP Glass: One lite of soft coat, 7/8" single surface vacuum deposition low E glass with argon gas
• HP2 Glass: two lites of low E glass, 7/8" dual surface multi-layer vacuum deposition low E glass with argon gas
• HP Max Glass: a triple pane combining two lites of low E glass, with an interior glass substrate which provides two insulating chambers of window argon gas.

 Call 888-692-3444 for a Free Estimate

Windows with designer or decorative cut glass
For those with discerning taste, designed and crafted by hand, these windows bring character and distinction to your home.

Decorative Window Grids