Replacement Window
4000 Series
Vinyl Double Hung
The EcoShield 4000 double hung unites elegance and performance in a single, highly-efficient system. Engineered for strength and durability, with high-end features typically found only in the most expensive premium lines, the 4000 vinyl replacement window delivers superior value.
Click here for DOE R5 Glazing information
Standard Features
- Thermal Fusion Welded Frame and Sash
- Sleek Slimline Sash Profile
- Quad Weather-Stripping at Key Contact Points
- Block and Tackle Balance System
- 3ΒΌ" Frame Depth
- Also available in Rolling, Picture Window, and Bay
- Full Length Lift Handles
- Locking Half Screen
- Approved Forced Entry Locking System
- Sash Tilt In for Easy Cleaning
- Double Recessed Meeting Rail Locks
- DP 50 Rated
- Interlocking Sloped Sill
- Dual Night Latches
Performance Options
- ST Energy Star Glazing Package
- DOE-R5 Glazing Package*
- White, Beige and White/Bronze Colors
- Cherry, Light and Dark Oak Simulated Woodgrain Interior
- 14 Custom Exterior Colors
- Flat, Profile or SDL Grid Package
- Foam Frame Wrap
*Based on the Department of Energy R5 Building Technologies rating for high performance windows.
| Glazing | U-Value | SHGC | VLT |
|---|---|---|---|
| DOE - R5 - Triple | 0.21 | 0.21 | 0.39 |
| ST Energy Star | 0.29 | 0.26 | 0.49 |
| HP Low E | 0.34 | 0.26 | 0.49 |
| Clear | 0.45 | 0.56 | 0.58 |
Not sure what the difference is between a double hung window and a single hung window? Check our frequently asked questions page for answers to common window questions. View or print installation instructions for replacement double hung windows.