Consumer's Reports recommends finding installation instructions online
from Consumer Reports
Consumer’s Reports Magazine updated their Home Windows Buying Guide internet page. They have removed reference to the InstallationMasters program and only references the AWDI program.
In addition, on the Consumer Reports website, they show their recommendation for the value of the Energy Star/EPA Directive 6 initiative: "Before work begins, find the installation instructions for the windows you've chosen online, and check that the installer plans to follow those instructions, right down to details such as type, amount, and placement of flashing and insulation.”
And they recommend “…look for certification from the
American Window and Door Institute
7701 Las Colinas Blvd., Ste. 800, Irving, TX 75063