Replacement Windows

The Simonton Prism Platinum is part of the Replacement Windows test program at Consumer Reports. In our lab tests, Double-hung window models like the Prism Platinum are rated on multiple criteria, such as those listed below.

Wind resistance 0 degrees Wind resistance measures each window's ability to prevent drafts with 25 and 50 mph winds and an outdoor temperatures of 0ºF.

Wind resistance 70 degrees Wind resistance measures each window"s ability to keep out drafts with 25 and 50 mph winds an an outdoor temperatures of 70º F.

Rain resistance Rain resistance measures their ability to keep water out from heavy, wind-driven rain.