Heat Mirror® Insulating Glass
Heat Mirror® insulating glass was the world's first commercially produced low-e glass invited by Southwall Technologies. Since 1970, Southwall Technologies manufactures its films using a proprietary sputter coating process that deposits a thin layer of metals and metal oxides onto a flexible substrate, usually polyester. In the sputtering process, a solid target and a substrate are placed in a large vacuum chamber. This coated films which are suspended (SCF Suspended Coated Film) in the middle of an insulating glass unit to create multiple insulating cavities, creating industry leading performance. Heat Mirror® units are available in a wide variety of films with diverse glass products; the performance needed for almost any project can be realized, making Heat Mirror® an ideal choice for almost every application.
Visually Clear and colorless
High performance with clear appearance.
Energy Efficiency
In cold winter conditions and hot summer condition, Heat Mirror® IGU's very high insulation performance reduces the need for perimeter heating and cooling systems otherwise needed for comfort in commercial buildings, thus providing further energy savings.
LEED / Sustainable design
Heat Mirror® IGU can help designers realize up to 21 LEED points (based upon design execution).
Increased comfort (High R-value, Low U-value)
Higher R-value makes warmer around windows in winter Higher Solar control makes cooler around windows in summer.
Minimal Condensation
Heat Mirror® IGU structure can resists condensation, a particularly important benefit for pool and spa enclosures, computer rooms, and other high-humidity environments.
Super Solar Control
A range of choices including SHGC performance below 0.20 reducing chiller requirements and indoor comfort.
High Ultraviolet Protection
99.5% of ultraviolet radiation is blocked increasing the life of fabrics, furniture, flooring and other items in the home.
Higher Sound Control
Heat Mirror® IGU's unique construction insulates against unwanted sound transmission, the Insulation value at least 5dB higher than ordinary double-pane windows.
Use of Glass
Residential or Home Solutions / Commercial applications / Structural or non-structural facades / Showrooms / Skylights
Maximum Size:1980 x 3000mm. ( Available in cut to size only, manufacturing in oversize )
Books and Recommendations
Factor Four: Doubling Wealth, Halving Resource Use
Author: Amory B. Lovins & L. Hunter Lovins
Natuial Capitalism: The Next Industrial Revolution
Author: Amory B. Lovins & L. Hunter Lovins, Paul Hawken
The Smart House
Author: James Grayson Trulove
Green Architecture in Wet-Humid Climates
Author: Professor. Lin Hsien T (National Cheng Kung University)
Hot, Flat, and Crowded
Author: Thomas L. Friedman
Heat Mirror® IGU’s Product Ratings & Test Results
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IGCC Insulating Glass Certification Council - CBA "A" Level Certification
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IGMA Insulating Glass Manufacturers Alliance – CBA "A" Level Certification
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Complies with Thermal Aging and Ultraviolet Exposure test per ASTM D-882, G-53
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Passed CBA Level testing for Thermal Stress and Wet Environment per ASTM E773-88, E774-88
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Passed Canadian Ultraviolet Fogging testing per NRCC CAN2-12.8-M76
1980 Heat Mirror® insulating glass as the world's first commercially produced low-e glass.
1990 Popular Science magazine chooses Heat Mirror® Insulating Glass as Best of What’s New (December). Architecture magazine features Southwall Technologies for its innovations in window technology.
2000 Popular Science chooses Heat Mirror® Insulating Glass film as one of the 100 Top Inventions of the Millennium.
2010 Completed Energy Efficiency Retrofit for the Empire State Building. All 6,514 windows, more than 26,000 total panes of glass in the Empire State Building have been retrofit in to Heat Mirror® Insulating glass units in a dedicated processing space located onsite in the building
Worldwide Project
 National Air & Space Museum，Virginia |  The Empire State building, New York |  Lativ Distribution Center, Taoyuna |
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 The Guggenheim Museum, New York |  Tropicana Hotel, Las Vegas |