Energy Select - High-performance low-E coated glass for every code. For every region.

Energy codes continue to change, and AGC is evolving to provide architects with products that not only meet current codes, but are positioned to meet the next evolution.

With Energy Select, you get a high-performance low-e coated glass designed specifically for the architectural market. With a broad range of options, Energy Select was developed to help architects meet the regulatory challenges of each project while maintaining their design vision.

Continue reading below to explore AGC's Energy Select product range and contact your AGC architectural representative today to help determine which model is best-suited for your application.

Benefits

  • Coatings available on clear and tinted substrates
  • Performances tailored to meet codes for all climate regions
  • Passive solar and solar control options
  • High-quality, high-performing coatings: pyrolytic and sputter coat

Applications

Energy Select low-e products deliver highly-customized purpose and value for commercial building applications. This spectrally selective glazing allows architects, designers, specifiers, and window fabricators to customize their solar heat gain, insulating value, and visible light transmission levels – while also realizing their own aesthetic vision.

See below for more detailed Clear Low-E and Tinted Low-E glass product information.

* Note: Performance data of insulating glazing units shown are based on a 1" (25mm) Unit – 1/4" (6mm) | 1/2" (13mm) spacer | 1/4" (6mm).

Clear Low-E Glass Products

Energy Select 23

Maximum Solar Control Low-E Glass

Energy Select 23 is designed for maximum solar control in the hottest climate regions. Featuring a neutral blue reflected color, 50% visible light transmittance and 0.23 solar heat gain coefficient, this high performing low-e glass lets natural light in, while keeping more heat out—maximizing energy savings and creating greater indoor comfort.

VLT

50%

SHG

0.23

LSG

2.16

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Energy Select 28

Neutral Triple-Silver Solar Control Low-E with High Visible Light Transmission

The combination of excellent solar control, a neutral appearance and low reflectivity make Energy Select 28 an obvious choice for commercial buildings in the warmest climate regions. In areas where air conditioning costs are the primary concern, Energy Select 28 provides exceptional solar blocking performance, while maintaining a high level of visible light transmission, maximizing building performance and indoor comfort.

VLT

62%

SHG

0.28

LSG

2.18

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Energy Select 31

Neutral Reflective Low-Emissivity Glass for Energy Efficiency and Year-Round Savings

With a solar heat gain coefficient of 0.31 and visible light transmittance of 62%, the high clarity and neutral appearance make Energy Select 31 a natural choice for commercial and mixed-use building applications—meeting even the most stringent energy code requirements. Energy Select 31 provides exceptional performance for both warm and cold weather throughout North America, resulting in energy savings on both heating and cooling.

VLT

62%

SHG

0.31

LSG

2.01

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Energy Select 40

Low-Emissivity Soft-Coated Glass Providing Moderate Solar Heat Blocking in Moderate Climates

The ideal solution for regions with moderate climates, AGC’s Energy Select 40 delivers energy savings and high levels of natural light transmission – all with a stunning neutral appearance.

With excellent solar heat blocking performance, Energy Select 40 is the premier solution for commercial buildings in moderate climate regions. A balanced performer, Energy Select 40 provides excellent solar control that maximizes air conditioning efficiency and delivers interior comfort while providing outstanding levels of daylighting.

VLT

69%

SHG

0.39

LSG

1.79

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Energy Select 63

Low-Emissivity Soft-Coated Glass Allows for Solar Gain and High Levels of Visible Light and Daylighting

In colder climates, Energy Select 63 capitalizes on free solar energy to maximize heat gain and minimize annual heating costs. The ideal choice for the Northern regions, Energy Select 63 enables free solar heat gain during winter months, retaining radiant energy within the building and flooding the interior with light to create more comfortable interior spaces. Energy Select 63 provides outstanding insulating performance and beautifully neutral color to complement any design.

VLT

78%

SHG

0.55

LSG

1.40

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Energy Select 73

Low-Emissivity Hard-Coated Glass that Provides Thermal Insulation with Passive Solar Gain

Energy Select 73 is a pyrolytic low-emissivity glass that combines excellent year-round energy efficiency with hard-coat durability. Energy Select 73 saves energy costs during colder months by reflecting heat back into the room while also allowing free solar energy into interior spaces. During warmer months, Energy Select 73 reduces direct sunlight and blocks re-radiated solar heat.

Download the related resources for more information about Energy Select 73 performance with U4 4th Surface Technology.

VLT

74%

SHG

0.63

LSG

1.17

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Energy Select R42

Beautifully Reflective Low-Emissivity Glass

With its low SHGC and high reflectivity, Energy Select R42 from AGC is the perfect choice for high rise residential and architectural facades. As an outstanding solar blocker, Energy Select R42 is the natural choice for regions where air conditioning is used most of the year. To meet the high aesthetic needs of today's architects, Energy Select R42 offers excellent light transmission and an aesthetically neutral reflectance.

VLT

62%

SHG

0.42

LSG

1.46

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Tinted Low-E Glass Products

Energy Select 20

Triple-Silver Low-E Coating on AGC Forest Green Float Tinted Glass

Energy Select 20 combines the high performance of AGC’s triple-silver low-e coating with an array of tinted glass substrates to yield the best solar heat gain coefficient available. With SHGC as low as .20 and a light-to-solar gain ratio of up to 2.02 (depending on the tint selected), this low-e glass is an obvious choice for climates where air-conditioning costs are a concern.

Energy Select 20 Pure Grey, Pure Bronze, and Forest Green provide excellent solar control by blocking up to 80% of the heat generated by the sun, and boast a beautiful aesthetic that blends harmoniously with nature.

Download the related resources for more information about Energy Select 20 performance with various tinted glass options.

VLT

46%+

SHG

0.23+

LSG

1.99+

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.

Energy Select 25

Triple-Silver Low-E Coating on AGC Forest Green Float Tinted Glass

Energy Select 25 tinted solar control low-e glass was developed to provide more options when designing to meet the most challenging energy code requirements. Achieve as low as a 0.25 solar heat gain coefficient in a double glazed insulating unit (based on the tinted glass option desired), meet code requirements, and achieve stunning aesthetics with Energy Select 25.

Download the related resources for more information about Energy Select 25 performance with various tinted glass options.

VLT

48%+

SHG

0.26+

LSG

1.87+

Related Resources

Look above for additional technical resources available for download or contact your AGC representative for more information.