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Which Energy Efficient, Low-E Glass Is Right
For Your Replacement Windows and Patio Doors?

GLASS SYSTEM ENERGY EFFICIENCY SOUND REDUCTION UV BLOCKING SECURITY COMMENTS GLASS SYSTEM DETAILS
Ultra
Master III®		 Three Check Marks
Whole-Window
U-value = 0.14
SHGC = 0.22 		Two Check Marks Three Check Marks
Fade Protection
Factor (FPF) = 44 		Two Check Marks Gorell’s best-performing triple-glass system offers unsurpassed thermal efficiency and energy cost savings. Remarkable shading coefficient ratings make it excel in warmer regions.
Ultra Master III Diagram
  1. SolarControl Max Low-E Coating
  2. SolarControl Plus Low-E Coating
  3. Krypton Gas Between Glass Panes
  4. Super Spacer System
Thermal
Master III®		 Three Check Marks
Whole-Window
U-value = 0.17
SHGC = 0.26 		Two Check Marks Two Check Marks
Fade Protection
Factor (FPF) = 16 		Two Check Marks Extraordinary triple-glass system that provides superb thermal performance and holds extremely high ratings for energy efficiency in all regions of the country.
Thermal Master III Diagram
  1. SolarControl Plus Low-E Coating On Two Glass Panes
  2. Krypton Gas Between Glass Panes
  3. PPG Intercept® Spacer System
Solar
Master III®		 Three Check Marks
Whole-Window
U-value = 0.19
SHGC = 0.26 		Two Check Marks Two Check Marks
Fade Protection
Factor (FPF) = 16 		Two Check Marks Gorell's newest triple-glass system that provides superb thermal performance and holds extremely high ratings for energy efficiency in all regions of the country.
Solar Master III Diagram
  1. SolarControl Plus Low-E Coating On Two Glass Panes
  2. Krypton and Argon Gas Blend Between Glass Panes
  3. PPG Intercept® Spacer System
Energy
Master® III		 Three Check Marks
Whole-Window
U-value = 0.21
SHGC = 0.26 		Two Check Marks Two Check Marks
Fade Protection
Factor (FPF) = 16 		Two Check Marks Outstanding triple-glass system with impressive thermal properties that result in exceptional energy savings and comfort. Excellent choice for homes in the north or the south.
Energy Master III Diagram
  1. SolarControl Plus Low-E Coating On Two Glass Panes
  2. Argon Gas Between Glass Panes
  3. PPG Intercept® Spacer System
Armor
Glass® Plus System		 Two Check Marks
Whole-Window
U-value = 0.27
SHGC = 0.32 		Three Check Marks Three Check Marks
Fade Protection
Factor (FPF) = 50 		Three Check Marks Best multi-benefit glass system available in America. Keeps out intruders, noise, weather and UV. Highly energy efficient. Effective in all geographical areas.
Armor Glass Plus Diagram
  1. SolarControl Max Low-E Coating On Two Glass Panes
  2. Protective Polyvinyl Butyral Interlayer
  3. Argon Gas Between Glass Panes
  4. PPG Intercept® Spacer System
Armor Impact
Plus™ (AIP)		 Two Check Marks
Whole-Window
U-value = 0.27
SHGC = 0.32 		Three Check Marks Three Check Marks
Fade Protection
Factor (FPF) = 50 		Three Check Marks Remarkably strong hurricane glass system that offers outstanding security, safety, UV blocking, sound deadening and energy efficiency. Excellent choice for homes in regions prone to violent weather.
Armor Impact Plus Diagram
  1. SolarControl Max Low-E Coating On Two Glass Panes
  2. Protective Polyvinyl Butyral Interlayer
  3. Argon Gas Between Glass Panes
  4. PPG Intercept® Spacer System
Eco Master™ One Check Mark
Whole-Window
U-value = 0.27
SHGC = 0.23 		One Check Mark One Check Mark
Fade Protection
Factor (FPF) = 17 		One Check Mark An exceptional new glass system that features a highly advanced Low-E coating—SolarControl Max—to give Gorell windows strong, all-around performance properties pertaining to both cost-saving energy efficiency and protection from damaging UV light.
AC Master Diagram
  1. SolarControl Max Low-E Coating
  2. Argon Gas Between Glass Panes
  3. PPG Intercept® Spacer System
AC Master® One Check Mark
Whole-Window
U-value = 0.28
SHGC = 0.32 		One Check Mark One Check Mark
Fade Protection
Factor (FPF) = 6 		One Check Mark Performs very well in keeping heat inside or outside, depending on the season. Very good all-climate choice, although its higher shading coefficient makes it a slightly better selection for warmer regions.
AC Master Diagram
  1. SolarControl Plus Low-E Coating
  2. Argon Gas Between Glass Panes
  3. PPG Intercept® Spacer System
Clear Double Insulating Glass Whole-Window
U-value = 0.46
SHGC = 0.63 		Spacer Spacer
Fade Protection
Factor (FPF) = 2 		SpacerOne Check Mark Two panes of glass offer minimal energy efficiency and protection. Only slightly more effective than single-pane glass at improving home comfort.
Double-Insulating Glass Diagram
  1. PPG Intercept® Spacer System
Clear Single-Pane Glass Whole-Window
U-value = 0.86
SHGC = 0.71 		Spacer Fade Protection
Factor (FPF) = 1 		Spacer Poor energy efficiency. Allows heat and cold to penetrate your home. U-value shown generated with independently simulated NFRC 200, using LBL 5.0 standard fixed model.
Single Pane Glass Diagram

PERFORMANCE: 3 check marks "Excellent", 2 check marks "Very Good", 1 check mark "Good".

ADDITIONAL NOTES:

  1. U-values shown are for 5301 picture windows.
  2. U-values shown for Eco Master are with a 5101 picture window.
  3. Ultra Master III and AIP are available on select product models.
  4. Actual performance may vary, depending on the model, size and glass system selected.

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