National Technical Reference Manual (TRM) List Windows and Window Attachments
National Technical Reference Manual (TRM) list for primary and storm windows, cellular shades, solar screens, and window films. This list highlights TRM’s for more than 20 states across the United States that include window calculations.
Window Upgrade Flowchart
Wondering how you can improve your windows to make your home more comfortable and reduce your utility bills? Follow this flowchart to check out your options!
Secondary Windows Savings Calculator
This commercial secondary windows savings calculator generates separate savings for heating, HVAC auxiliaries, and cooling based on a data set developed from parametric Energy Plus runs using prototype models developed for and by the Bonneville Power Administration, in partnership with the Partnership for Advanced Window Solutions.