Window Double Hung Window
Andersen 400 Series
The Andersen 400 Series is the brand's best-selling mid-premium double-hung window. Solid pine interior with a Perma-Shield vinyl-clad exterior (Fibrex composite available on select units). Tilt-wash sash for single-person interior cleaning. Low-E4 glass standard with multiple upgrade packages, Energy Star 7.0 certified in all climate zones.
Frame Material
Solid pine interior / Perma-Shield vinyl-clad exterior (Fibrex composite available on select units)
Glass Panes
Double pane standard (Low-E4); Triple pane available
U Factor Min
0.2
U Factor Max
0.26
Shgc Range
0.22–0.30
Air Leakage Cfm
< 0.30 CFM/ft²
Model Comparison
7 models
| Specification | White | Sandtone | Terratone | Eagle | Canyon View | Sandstone | Black |
|---|---|---|---|---|---|---|---|
| Model | — | — | — | — | — | — | — |
Shared Specifications
All models| frame_material | Solid pine interior / Perma-Shield vinyl-clad exterior (Fibrex composite available on select units) |
| glass_panes | Double pane standard (Low-E4); Triple pane available |
| u_factor_min | 0.2 |
| u_factor_max | 0.26 |
| shgc_range | 0.22–0.30 |
| air_leakage_cfm | < 0.30 CFM/ft² |
| ENERGY STAR® | Yes |
| nfrc | Yes |
| interior_finish | Pine (unfinished, ready to paint/stain) or factory-primed white |
| grid_options | Colonial, Prairie, Diamond, Perimeter, custom lite patterns; interior/exterior/between-glass |
| glass_packages | Low-E4, SmartSun Low-E4, HeatLock Low-E4, Triple-pane Enhanced SmartSun |
| dp_rating | ±50 psf standard |
| tilt_wash_sash | Yes |
| width_range | 1 ft 10-1/8 in – 3 ft 11-7/8 in |
| height_range | 2 ft 5-7/8 in – 6 ft 5-1/8 in |
| warranty_frame_years | 20 yr |
| warranty_glass_years | 20 yr |
| warranty_finish_years | 10 yr |