Double Hung Windows

Starmark and Okna double hung windows are the premier choice for many homeowners today. While preserving the original architecture of your home, our Double Hung Windows are also extremely energy efficient, easy to maintain and unparalleled in quality construction. Our double tilt-in sashes with recessed, spring-loaded tilt sashes make cleaning effortless, safe and easy. 

Our exclusive Wind Jammer technology eliminates the drafty gaps common in other windows.

The sleek, routered-in lock incorporates ergonomic style with superior design-engineered strength and safety.


Routered-in tilt latches provide an unobtrusive way of tilting the window without taking away from the appearance.


Contoured lift handles combine smooth operation with an elegant appearance and sturdy functionality.