R-18. 8-mm.
Transparent Insulation™ by LuxWall is Scienced with Vacuum Insulation Technology
With a U-factor of 0.055, a 20-year warranty, and fully tempered strength, Enthermal® delivers superior thermal performance, energy savings, enhanced comfort, and acoustic control. Its ultra-slim profiles offer endless design options from Glass-Only Retrofits to complete window reglazing. Enthermal delivers exceptional condensation resistance, lower embodied carbon, and sleek modern aesthetics — without compromise.
1. Comparing to Double Pane Clear for Glass-Only Retrofit • 2. Center of Glass U-Factor comparison of Enthermal Triple Silver on surface 2 (U-Factor 0.055) vs. Double Pane IG, Air Fill (U-Factor 0.473).
0.055
U-factor
(BTU/hr-ft2 -F)
64%
Visible Light
Transmission (VLT)
0.26
Solar Heat Gain
Coefficient (SHGC)
0.055
U-factor
(BTU/hr-ft2 -F)
77+
Condensation
Resistance Factor
31
Outside Inside Transmission
Coefficient (OITC)
ENERGY STAR® Certification for Residential Windows
ENERGY STAR® is a program run by the U.S. Environmental Protection Agency (EPA) that promotes energy efficiency in consumer products, including windows. ENERGY STAR 7.0 is the latest version of the ENERGY STAR program’s requirements for windows. Enthermal products scienced by LuxWall Transparent Insulation™ technology are engineered to deliver exceptional thermal performance across all ENERGY STAR® climate zones — from the coldest northern regions to the hottest southern environments. By combining advanced vacuum insulation technology with high-performance low-emissivity coatings, Enthermal minimizes heat transfer while optimizing solar control and daylight transmission. The result is a glazing solution that reduces heating demand in cold climates, limits solar heat gain in warm climates, and maintains interior comfort year-round.
| ENERGY STAR® REQUIREMENTS |
C180 | C270 | C272 | C340 | C366 | C452 | SB60 | SB70 |
|---|---|---|---|---|---|---|---|---|
| U-factor ≤ 0.22, SHGC ≥ 0.17 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| U-factor ≤ 0.23, SHGC ≥ 0.35 | ✓ | ✓ | ✓ | |||||
| U-factor ≤ 0.24, SHGC ≥ 0.35 | ✓ | ✓ | ✓ | |||||
| U-factor ≤ 0.25, SHGC ≥ 0.40 | ✓ | |||||||
| U-factor ≤ 0.26, SHGC ≥ 0.40 | ✓ | |||||||
| U-factor ≤ 0.25, SHGC ≤ 0.40 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| U-factor ≤ 0.28, SHGC ≤ 0.23 | ✓ | ✓ | ||||||
| U-factor ≤ 0.32, SHGC ≤ 0.23 | ✓ | ✓ |
*Assumptions: Coating surfaces are located on surface 2. All panes are 5-mm thickness. Window LBNL calculation method.
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