Replacement Windows

4000 Series

4000 DH Series 4000 DH 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.

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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
  • 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 Energy Star 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
*Based on the Department of Energy R5 Building Technologies rating for high performance windows.

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

Product information on this site is subject to change without notice.
Please contact your dealer or customer service representative for the most up to date information.