Enviro-Star
800 Series​

Enviro Star is our high-end Replacement Window. The Enviro-Star combines superb craftsmanship with an old world look and feel. This Series offers a myriad of glass and structural options to seamlessly blend with any décor while providing the utmost in energy efficiency. Since all OKNA products are custom-made, you can be sure of a perfect fit every time.

Our classically refined 800 Series windows offer a traditional wood window look without the wood window maintenance responsibilities. A streamlined design, packed with a variety of features, make the 800 Series a sophisticated choice.