Thermal Windows that Qualify for Federal Tax Credits
| Series | Description |
| 6600, 6603, 6640 and 6643 Single Hung Vinyl Windows | Dual Glazed, with TS28, Argon gas and Superspacer |
| 6800 and 6840 Double Hung Vinyl Windows | Dual Glazed, with TS28, Argon gas and Superspacer |
| 6625 Single Horizontal Rolling Vinyl Windows | Dual Glazed, with TS28, Argon gas and Superspacer |
| 6630 XOX Horizontal Rolling Vinyl Windows | Dual Glazed, with TS28, Argon gas and Superspacer |
| 6825 Double Horizontal Rolling Vinyl Windows | Dual Glazed, with TS28, Argon gas and Superspacer |
| 6850 and 6852 Vinyl Picture Windows (Also Series 6880, 6881, 6882, 6883, 6884 Vinyl Specialty Windows) |
Dual Glazed, with TS28, Argon gas and Superspacer |
Download our Manufacturer's Certification
Download Therma-Tru Doors Manufacturer's Certification
Download Therma-Tru's list of qualified products (2.2meg pdf)
Note: Storm Doors do not qualify for tax credits
(This page last updated 8/6/2018)
