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Climaguard 63/31

Climaguard 63/31 is a residential window glass from Guardian that provides balanced performance for regions with both heating and cooling requirements.The U-factor provides superior insulating performance during cold nights and a lower solar heat gain coefficient provides relief from the intense heat of the sun. This balanced high performance allows Climaguard 63/31 to make rooms warmer in the winter and cooler in the summer making it very ideal for Tri-State’s 3-season and 4-season sunrooms.

Guardian’s glass scientists and engineers designed ClimaGuard 63/31 residential glass to have the characteristics window manufacturers and homeowners need. With ClimaGuard 63/31 homeowners can truly enjoy their sunrooms and conservatories year-round.

ClimaGuard 63/31 residential window glass also:

  • Helps meet ENERGY STAR® standards in all United States zones
  • Helps windows qualify for $1,500 tax credit in the 2009 American Recovery Reinvestment Act
  • Delivers clear, crisp views
  • Solar Heat Gain Coefficient = 0.31
  • Available in heat-treatable version
  • Brightens homes with 63 percent of the sun’s visible light