A250 Thermally Improved Aluminum Single Hung Window

A250 Thermally Improved Aluminum Single Hung Window

A250 Thermally Improved Aluminum Single Hung Window

Milgard A250 Thermally Improved Aluminum windows offer a polyurethane channel to reduce heat transfer and improve energy efficiency for a more comfortable home no matter the weather.

With A250 Thermally Improved Aluminum single-hung windows, the lower panel slides vertically upward when opened and it overlays into the stationary top panel. You can close and lock the window securely, in one motion, with the spring action lock. If the window is closed, it's locked.