K&S Services offers Mezzo windows in many sizes and colors that feature a thermally optimized narrowline frame and sash with a dual-pane and triple pane insulated glass solution designed to meet stringent ENERGY STAR® requirements. The elegant narrowline construction ensures maximum daylight visibility while advanced technological reinforcements deliver dependable strength while minimizing energy transfer.
You’ll sleep well knowing that Mezzo’s enhanced forced-entry hardware and modernized screen and bulb design provide greater protection against insect and other undesirable intrusions.
Strong, durable and weathertight, with the custom beauty you’ve come to expect.  The Mezzo window is in a class by itself – an affordable window with performance power above and beyond the rest. Plus, our impressive Lifetime  Warranty* delivers the peace of mind you would expect from an industry leader.