Replacement Window Comparison Chart
Not sure which series is best for your home? Use this chart to compare our products side-by-side.
| Key Features | Potomac-hp | Fortis | Georgetown |
|---|---|---|---|
| Performance Grade | 65 | 50 | 40 |
| Air Infiltration (cfm/ft²) | .01 | .02 | .09 |
| VyFoam™ | Frame & Sash | Frame & Sash | |
| Fusion-welded Frame |  |
|
|
| Fusion-welded Sash | |
|
|
| Jamb Depth of Frame | 3 1/4″ | 3 1/4″ | 2 3/4″ |
| Sash Configuration | dual | dual | dual |
| Lock and Keeper w/ Composite Reinforcement | |
|
|
| Integral Locking Sash | |
|
|
| Cam Locking System | |
|
|
| Integrated Sash Lock and Tilt System | |
||
| Tilt-in Sash for Easy Cleaning | |
|
|
| Dual Vent Latch | |
|
|
| Balance System | constant force | constant force | constant force |
| Glass Strength | double-3.0 mm | double-3.0 mm | single-2.5 mm |
| Insulating Glass Unit (IGU) Thickness | 7/8″ | 7/8″ | 3/4″ |
| Warm Edge Spacer System | Super Spacer® | Super Spacer®, Duralite® | Duralite® |
| Mortised Sill Dam Wall | |
|
|
| Sill/Sash Interlock | |
|
|
| Magnetic Seal | |
||
| Glass Packages | Potomac-hp | Fortis | Georgetown |
| Energy Saver Plus™ | |
|
|
| Energy Saver Max™ | |
||
| Energy Saver R5™ | |
|
|
| TripleSilverLoE™ | |
|
|
| Energy Saver R5 w/TripleSilverLoE™ | |
|
|
| Design Features | Potomac-hp | Fortis | Georgetown |
| Interior Colors | White, True Black, Beige | White, Beige | White, Beige |
| VyCoat Exterior Colors™ | |
|
|
| VyWood™ Interior Laminate | |
||
| Flat Grids | |
|
|
| Contour Grids | |
|
|
| Simulated Divided Lites (SDLs) | |
||
| Screen Options | Potomac-hp | Fortis | Georgetown |
| Screen Frame | Extruded | Extruded | Extruded |
| VyClear™ Screen | |
|
|
| Flex Screen | |
|
|