NFRC Certified U-Factor Window Ratings
The lower the U-Factor the higher the efficiency
[Page shows a double bar graph of NFRC ratings for Tri-State Window Factory compared to its competitors.]
Casement Windows NFRC Ratings
- Tri-State Window Factory: .17
- Alside: .28
- Andersen: .31
- Home Depot: .31
- Marvin: .3
- Alpha: .3
- Pella: .29
- Certainteed: .31
- Champion: .29
- Great Lakes: .29
- Harvey Ind: .24
- Ideal: .31
- Jeld-Wen: .24
- Lowes by Pella: .25
- Royal: .31
- Sears: .27
- Thermotech: .27
- US Window: .29
Double Hung Windows
- Tri-State Window Factory: .16
- Alside: .29
- Andersen: .31
- Home Depot: .31
- Marvin: .3
- Alpha: .29
- Pella: .27
- Certainteed: .37
- Champion: .29
- Great Lakes: .2
- Harvey Ind: .19
- Ideal: .31
- Jeld-Wen: .28
- Lowes by Pella: .34
- Royal: .33
- Sears: .23
- Thermotech: .3
- US Window: .31