Location: Home / Options / High Performance Low-E Glass / Low-E Glass Comparison Chart

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-Factor = 0.17
SHGC = 0.19		 Two Check Marks Three Check Marks
Fade Protection
Factor (FPF) = 44		 Two Check Marks Soft-Lite 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-EMISSIVITY COATING
  2. SOLARCONTROL PLUS
    LOW-EMISSIVITY COATING
  3. Krypton gas between
    glass panes
  4. Super Spacer System
Thermal
Master III®		 Three Check Marks
Whole-Window
U-Factor = 0.19
SHGC = 0.22		 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-emissivity coatings on two glass panes
  2. Krypton Gas Between Glass Panes
  3. PPG Intercept® Spacer System
Energy
Master® III		 Three Check Marks
Whole-Window
U-Factor = 0.23
SHGC = 0.23		 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-emissivity coatings 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-Factor = 0.29
SHGC = 0.20		 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 because of its 0.060" laminated glass. Highly energy efficient. Effective in all geographical areas.
Armor Impact Plus Diagram
  1. Solarcontrol Max
    low-emissivity coating
  2. 0.060" polyvinyl butyral (PVB ) interlayer
  3. ARGON gas between
    glass panes
  4. PPG Intercept® Spacer System
Eco Master™ Two Check Marks
Whole-Window
U-Factor = 0.29
SHGC = 0.20		 One Check Mark Two Check Marks
Fade Protection
Factor (FPF) = 17		 One Check Mark An exceptional new glass system that features a highly advanced Low-E coating — Solar Control Max — to give Soft-Lite 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-emissivity coating
  2. Argon gas between
    glass panes
  3. PPG Intercept® Spacer System
AC Master® Two Check Marks
Whole-Window
U-Factor = 0.29
SHGC = 0.28		 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-Pane Glass
(Not available
from Soft-Lite Gorell)		 Whole-Window
U-Factor = 0.45
SHGC = 0.56		 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

Not Available from Soft-Lite Gorell
Clear Single-Pane Glass
(Not available
from Soft-Lite Gorell)		 Whole-Window
U-Factor = 0.86
SHGC = 0.71		 Spacer Fade Protection
Factor (FPF) = 1		 Spacer Poor energy efficiency. Allows heat and cold to penetrate your home. U-factor shown generated with independently simulated NFRC 200, using LBL 5.0 standard fixed model.
Single Pane Glass Diagram

Not Available from Soft-Lite Gorell
Armor Max
Plus™ (AMP) 5400G Series Window and 6400G Series Door		 Two Check Marks
Whole-Window
U-Factor = 0.28
SHGC = 0.18		 Three Check Marks Three Check Marks
Fade Protection
Factor (FPF) = 50		 Three Check Marks Rugged, heavy-duty impact glass system provides superb protection against violent weather, cost-saving energy efficiency, protection against intrusion, sound reduction and greater safety because of its 0.090" laminate coating. *Level "D" hurricane protection. *Several models meet Miami Dade County requirements.
Armor Impact Plus Diagram
  1. Solarcontrol Max low-emissivity coating
  2. 0.090" polyvinyl butyral (PVB ) interlayer
  3. ARGON gas between glass panes
  4. PPG Intercept spacer system
Armor Impact
Plus™ (AIP) 5300G Series Window		 Two Check Marks
Whole-Window
U-Factor = 0.29
SHGC = 0.20		 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 because of its 0.060" laminate coating. Excellent choice for homes in regions prone to violent weather. *Level “C” hurricane protection.
Armor Impact Plus Diagram
  1. Solarcontrol Max
    low-emissivity coating
  2. 0.060" polyvinyl butyral (PVB ) interlayer
  3. ARGON gas between glass panes
  4. PPG Intercept spacer system

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

ADDITIONAL NOTES: All U-Factors shown are for glass packages in Soft-Lite Gorell 5305 Double-Hung windows. Performance will vary with other window styles. Ultra Master III and Eco Master are only available on select window models.

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