Replacement Windows
4000 Series
The EcoShield 4000 line 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
- 3¼" Frame Depth
- Available in Rolling, PW and Hopper
- Full Length Lift Handles
- Locking Half Screen
- Approved Forced Entry Locking System
- Double Recessed Meeting Rail Locks
- DP 50 Rated
- Interlocking Sloped Sill
- Dual Night Latches
Performance Options
- ST Stimulus – Federal Tax Credit Approved Glazing Package
- DOE-R5 Glazing Package*
- White, Beige and Bronze/White Colors
- Cherry, Light and Dark Oak Simulated Woodgrain Interior
- 14 Exterior Decorative Colors
- Flat, Profile or SDL Grid Package
- Foam Frame Wrap
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.
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EcoShield Window Systems, a quality product of Kasson and Keller Inc.
Manufacturing replacement windows, new construction windows, and storm windows since 1947