Compare Window World Double Hung vs Sliding Windows with SolarZone - Window World - (815) 729-3100

Compare Window World Double Hung vs Sliding Windows with SolarZone

SolarZone™ Insulated Glass Package

Thermal Performance Comparison*


Clear Glass Double-Hung

  • U-Value: 0.46 SHGC: 0.59

Clear Glass Sliding

  • U-Value: 0.45 SHGC: 0.59

SolarZone Double-Hung

  • U-Value: 0.29 SHGC: 0.3

SolarZone Sliding

  • U-Value: 0.28 SHGC: 0.3

SolarZone ThermD Elite Double-Hung

  • U-Value: 0.27 SHGC: 0.21

SolarZone ThermD Elite Sliding

  • U-Value: 0.27 SHGC: 0.21

SolarZone ThermD iE Double-Hung

  • U-Value: 0.27 SHGC: 0.3

SolarZone ThermD iE Sliding

  • U-Value: 0.27 SHGC: 0.3

*Whole window values are based on double-strength glass, standard 4000 Series offering with composite reinforcements. ST and HP performance values are also available.

Air/Water/Structural Results Window World 4000

  • Air/cfm – 0.4
  • Water/psf – 6.0
  • Structural – DP40

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