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Wonder Extreme

Extreme = Warm Edge Triple Heat Shield Krypton Technology with foam filled frame.

If you’re looking for the finest windows Rochester has to offer, our Wonder Extreme windows are sure to exceed your window needs. You'll have the ultimate in energy-efficiency, protection, style and long-lasting reliability, with its air tight welded frame, dense foam insulation and triple pane Heat Shield with Krypton glass package.

Precision Weld Double Hung Windows
  • Foam insulated frame
  • Triple Heat Shield with Krypton technology
  • Available with most window types and styles
  • Guaranteed to resist wind, rain, snow and heat
  • Lowest air infiltration
  • NFRC U-Factor: 0.15  Air Infiltration: 0.02  Solar Heat Gain: 0.26