Concord Films qualify for the 2009-2010 Energy Tax Credit.
You may be able to deduct up to 30% of your purchase, up to $1,500.00

OK.  You're Located In Zone 4, 5, 6, 7 or 8:

The next question is what type of glass do you have?  Click on your selection

Single Pane
Double Pane
Dual Pane Low-E
Dual Pane Solar Control Low-E

Help !!  I don't know !!

Document Links:
Concord's Manufacturer Certification
IRS Form 5695 For 2009