The Ultraseal Glass difference
- Superior insulation compared to anything single-glazed
- Control solar heat gain
- Reduce heating and cooling energy waste
- Reduce heating and cooling energy costs
- Increase the size of your window/door without compromising performance
- Control visible light levels / glare factors
- Ultraviolet (UV) protection against fading factors
- Virtually eliminate internal condensation
- Superior acoustics versus any monolithic option
- High performance coated lowE options to meet energy efficiency
demands from building codes
U4 Technology
Adding U4 - 4th Surface Technology to your IGUs is a true game-changer.
You can improve your total window U-value performance by 0.04 or more, without changing
your manufacturing processes.
Now, you will be able to exceed new ENERGY STAR standards and still maintain your
competitive edge.
Options
Glass:
- Standard glass
AGC/Guardian float clear glass and clear LoE glass
- Tempered and laminated glass available
Spacers:
- Warm edge spacer
- Aluminum spacer
- Color options in stock:
- Light grey
- Black
- White
Special colors available upon request
Sealant:
- Polysulphide: Adapted to all types of glass
- Hot melt: Adapted for small to medium openings
Gas Fills:
- Argon
Lower conductivity insulates better than air
- Krypton
Lowest conductivity of any gas used
Grille Bar:
- Rectangular: 1/4" x 5/8", 1/4" x 5/16"
- Pencil bar
- Georgian bar
- Various color options available
Glass Data - AGC
Comfort SelectTM Dual Insulating Units - 1/8" (3mm) | 1/2" (12.7mm) | 1/8" (3mm)
Product |
Transmittance |
Reflection |
Winter U-Value |
SHGC (100% Air) |
LSG |
DWI ISO |
Visible |
Solar |
UV |
Out |
In |
Solar |
Air |
Argon |
Clear | Comfort Select 73 #3 |
74% |
60% |
44% |
17% |
16% |
17% |
0.33 |
0.29 |
0.73 |
1.02 |
0.64 |
Clear | Comfort Select 63 #3 |
80% |
54% |
33% |
11% |
11% |
29% |
0.30 |
0.25 |
0.62 |
1.30 |
0.66 |
Comfort Select R42 #2 | Clear |
65% |
40% |
25% |
25% |
20% |
38% |
0.30 |
0.25 |
0.44 |
1.49 |
0.50 |
Comfort Select 40 #2 | Clear |
72% |
36% |
19% |
12% |
13% |
37% |
0.29 |
0.25 |
0.40 |
1.83 |
0.56 |
Comfort Select 36 #2 | Clear |
66% |
33% |
16% |
14% |
17% |
38% |
0.29 |
0.24 |
0.36 |
1.83 |
0.51 |
Comfort Select 31 #2 | Clear |
65% |
29% |
11% |
21% |
20% |
46% |
0.29 |
0.24 |
0.31 |
2.06 |
0.45 |
Comfort Select 28 #2 | Clear |
63% |
26% |
17% |
14% |
15% |
45% |
0.29 |
0.24 |
0.29 |
2.19 |
0.48 |
Comfort Select 23 #2 | Clear |
50% |
20% |
13% |
21% |
21% |
47% |
0.29 |
0.24 |
0.23 |
2.17 |
0.36 |
Comfort SelectTM Dual Insulating Units with U4 Technology #4 Surface - 1/8" (3mm) | 1/2" (12.7mm) | 1/8" (3mm)
Product |
Transmittance |
Reflection |
Winter U-Value |
SHGC (100% Air) |
LSG |
DWI ISO |
Visible |
Solar |
UV |
Out |
In |
Solar |
Air |
Argon |
Comfort Select 63 #2 | U4 |
67% |
52% |
33% |
19% |
20% |
17% |
0.26 |
0.23 |
0.60 |
1.13 |
0.55 |
Comfort Select 73 #2 | U4 |
72% |
47% |
25% |
14% |
15% |
28% |
0.24 |
0.20 |
0.53 |
1.36 |
0.56 |
Comfort Select R42 #2 | U4 |
59% |
36% |
19% |
27% |
22% |
39% |
0.24 |
0.20 |
0.41 |
1.45 |
0.44 |
Comfort Select 40 #2 | U4 |
66% |
33% |
15% |
14% |
16% |
38% |
0.23 |
0.20 |
0.37 |
1.77 |
0.48 |
Comfort Select 36 #2 | U4 |
60% |
30% |
12% |
16% |
19% |
39% |
0.23 |
0.20 |
0.34 |
1.77 |
0.44 |
Comfort Select 31 #2 | U4 |
59% |
26% |
8% |
22% |
22% |
47% |
0.23 |
0.20 |
0.29 |
2.00 |
0.39 |
Comfort Select 28 #2 | U4 |
57% |
23% |
13% |
15% |
18% |
46% |
0.23 |
0.20 |
0.27 |
2.13 |
0.41 |
Comfort Select 23 #2 | U4 |
45% |
18% |
10% |
22% |
22% |
47% |
0.23 |
0.20 |
0.21 |
2.12 |
0.31 |
Comfort SelectTM Triple Insulating Units Low E #2 - 1/8" (3mm) | 1/2" (12.7mm) | 1/8" (3mm) | 1/2" 12.7mm | 1/8" (3mm)
Product |
Transmittance |
Reflection |
Winter U-Value |
SHGC (100% Air) |
LSG |
DWI ISO |
Visible |
Solar |
UV |
Out |
In |
Solar |
Air |
Argon |
Comfort Select 73 #2 | Clear | Clear |
68% |
52% |
36% |
21% |
22% |
19% |
0.24 |
0.21 |
0.59 |
1.15 |
0.57 |
Comfort Select 63 #2 | Clear | Clear |
73% |
47% |
28% |
16% |
17% |
30% |
0.22 |
0.19 |
0.53 |
1.38 |
0.59 |
Comfort Select R42 #2 | Clear | Clear |
60% |
36% |
21% |
28% |
24% |
40% |
0.22 |
0.19 |
0.41 |
1.48 |
0.46 |
Comfort Select 40 #2 | Clear | Clear |
66% |
33% |
16% |
16% |
18% |
39% |
0.22 |
0.19 |
0.37 |
1.81 |
0.51 |
Comfort Select 36 #2 | Clear | Clear |
61% |
30% |
14% |
18% |
22% |
39% |
0.22 |
0.18 |
0.34 |
1.81 |
0.46 |
Comfort Select 31 #2 |
59% |
26% |
10% |
24% |
25% |
47% |
0.22 |
0.18 |
0.29 |
2.04 |
0.41 |
Comfort Select 28 #2 | Clear | Clear |
58% |
24% |
15% |
17% |
20% |
46% |
0.22 |
0.18 |
0.27 |
2.17 |
0.43 |
Comfort Select 23 #2 |
46% |
18% |
11% |
23% |
25% |
47% |
0.22 |
0.18 |
0.21 |
2.16 |
0.33 |
Comfort SelectTM Triple Insulating Units Low E #2 and #5 - 1/8" (3mm) | 1/2" (12.7mm) | 1/8" (3mm) | 1/2" 12.7mm | 1/8" (3mm)
Product |
Transmittance |
Reflection |
Winter U-Value |
SHGC (100% Air) |
LSG |
DWI ISO |
Visible |
Solar |
UV |
Out |
In |
Solar |
Air |
Argon |
Comfort Select 73 #2 | Clear | Comfort Select 73 #5 |
62% |
45% |
27% |
23% |
23% |
20% |
0.19 |
0.16 |
0.57 |
1.09 |
0.49 |
Comfort Select 63 #2 | Clear | Comfort Select 73 #5 |
66% |
41% |
22% |
19% |
19% |
31% |
0.18 |
0.14 |
0.50 |
1.31 |
0.51 |
Comfort Select R42 #2 | Clear | Comfort Select 73 #5 |
54% |
32% |
16% |
30% |
25% |
40% |
0.17 |
0.14 |
0.39 |
1.41 |
0.40 |
Comfort Select 40 #2 | Clear | Comfort Select 73 #5 |
60% |
29% |
13% |
18% |
20% |
40% |
0.17 |
0.14 |
0.35 |
1.73 |
0.44 |
Comfort Select 36 #2 | Clear | Comfort Select 73 #5 |
55% |
27% |
10% |
20% |
23% |
40% |
0.17 |
0.14 |
0.32 |
1.74 |
0.40 |
Comfort Select 31 #2 | Clear | Comfort Select 73 #5 |
54% |
23% |
7% |
26% |
25% |
48% |
0.17 |
0.14 |
0.28 |
1.96 |
0.36 |
Comfort Select 28 #2 | Clear | Comfort Select 73 #5 |
53% |
21% |
11% |
18% |
22% |
47% |
0.17 |
0.14 |
0.25 |
2.09 |
0.38 |
Comfort Select 23 #2 | Clear | Comfort Select 73 #5 |
42% |
16% |
8% |
24% |
25% |
48% |
0.17 |
0.14 |
0.20 |
2.09 |
0.29 |
About AGC
AGC Glass North America is one of the largest manufacturers of glass and glass-related products in North America, employing more than
4,300 in the United States, Canada and Mexico and offering the widest selection of flat glass for architectural, interior, residential, and
industrial applications. AGC glass products are available through an extensive network of glass fabricators and Our Partners
throughout North America.
How Does U4 Work?
AGC U4 technology incorporates a low-emissivity coating on the #2 surface of the exterior pane, in combination with a low-emissivity coating on
the #4 surface of the interior pane, increasing the insulating (U-value) performance of your dual-insulated window.
Glass Data - Xinyi
Performance of Xinyi Low E Glass
Coating Type |
Low E Glass Thickness |
Visible Light (%) |
Solar Energy (%) |
U-Value (BTU/hr·ft2·°F) |
Shading Coefficient |
SHGC |
Transmission |
Reflectance |
Winter Night |
Summer Day |
Passive Low E Glass |
3mm XENE0185 |
87.2 |
15.5 |
0.634 |
0.475 |
0.825 |
0.715 |
4mm XENE0185 |
86.9 |
15.0 |
0.636 |
0.479 |
0.813 |
0.704 |
5mm XENE0185 |
86.5 |
14.0 |
0.632 |
0.477 |
0.799 |
0.692 |
Solar Control Low E Glass |
3mm XDNE0175 |
78.2 |
38.1 |
0.575 |
0.400 |
0.472 |
0.407 |
4mm XDNE0175 |
77.9 |
35.9 |
0.579 |
0.408 |
0.475 |
0.409 |
5mm XDNE0175 |
77.5 |
33.2 |
0.569 |
0.396 |
0.471 |
0.405 |