Double Hung Window replacement

Benefits of the OKNA 800 Replacement Window

The OKNA Enviro Star 800 Series window offers top of the line energy efficient features along with a sleek frame design that will look beautiful in any home while providing exceptional energy savings. Some of the feature and benefits include: Full 3 1/4″ Depth Welded Mainframe with foam-filled frame and sash Full integral interlock along the meeting …

Benefits of the OKNA 800 Replacement Window Read More »