EnergyTech¹ for Greater Thermal Control » Viridian Glass


Performance single glazing

EnergyTech¹ is a single glazed hard coat Low E product which is designed specifically to improve thermal insulation and offers solar control performance with low visible light reflection.

As the pyrolytic hard coating of EnergyTech¹ is applied during the float glass process it is extremely durable and can incorporate additional processes after manufacture compared to soft coated products.

Due to the nature of the coating it can be exposed to the interior of a building to provide improved thermal insulation and can also be used as part of a laminated or insulated glass unit.

EnergyTech¹ is supplied in a range of clear, coloured and toned float glass types for design and solar control flexibility.


EnergyTech¹ is a registered trademark of Oceania Glass.

Technical Specifications

Features & Benefits

  • A broad range of solar control performance.
  • Low visible light reflectivity for good transparency.
  • When toughened, EnergyTech¹ is a Grade A safety glass.


  • Residential
  • Commercial


  • Windows
  • Doors
  • Overhead Glazing
  • Facades
  • Retrofit Glazing



  • Haze may be present under certain light conditions.
  • When single glazed, the coating needs to be exposed to the interior of the building, the product label will be applied to the non-coated surface. The Viridian product label affixed to the glass must be installed to the outside of the building.
  • When incorporated into an IGU, it is recommended that the coating be applied to the internal surfaces of the unit, and the coated surface is identified and oriented for optimal performance.


How to Specify

  • Available in Clear, Light Grey, Grey, Green and SuperGreen.
  • Select from: laminated, toughened laminate or insulated glass unit.


Standard Stock Sizes

Product Name Thickness Stock Size
EnergyTech¹ Clear 4mm 5100mm x 3210mm
EnergyTech¹ Clear 5mm 5100mm x 3210mm
EnergyTech¹ Clear 6mm 5100mm x 3210mm
EnergyTech¹ Clear 8mm 5100mm x 3210mm
EnergyTech¹ Clear 10mm 5100mm x 3210mm
EnergyTech¹ Clear 12mm 5100mm x 3210mm
EnergyTech¹ Light Grey 6mm 5100mm x 3210mm
EnergyTech¹ Grey 4mm 5100mm x 3210mm
EnergyTech¹ Grey 6mm 5100mm x 3210mm

Note: Subject to further processing requirements. Standard stock sizes do not reflect actual available stock, please consult Viridian.

Performance Data

Product Name Nominal Thickness VLT (%) U Value SHGC Selectivity
EnergyTech¹ Clear (#2) 4 83 3.70 0.72 1.15
EnergyTech¹ Clear (#2) 5 82 3.70 0.71 1.15
EnergyTech¹ Clear (#2) 6 81 3.60 0.70 1.16
EnergyTech¹ Clear (#2) 8 81 3.60 0.70 1.16
EnergyTech¹ Clear (#2) 10 79 3.60 0.66 1.20
EnergyTech¹ Clear (#2) 12 79 3.60 0.63 1.25
EnergyTech¹ Light Grey (#2) 6 57 3.70 0.54 1.06
EnergyTech¹ Grey(#2) 4 50 3.70 0.54 0.93
EnergyTech¹ Grey(#2) 6 40 3.70 0.48 0.83

All performance data is determined using LBL window 7 software. NFRC 100 – 2010 conditions have been used.
Glass surfaces are counted from the exterior to the interior of the building.

Refer to Viridian Performance Data for more values.

Select Your Tone

EnergyTech™ & Soltech™ are available in a variety of different tones to achieve different glass performance measures. Browse the options to preview all the different looks:

EnergyTech™ Clear

EnergyTech™ Grey

EnergyTech™ SuperGreen

SolTech™ Grey

SolTech™ Neutral

EnergyTech™ Light Grey

Product Card

Learn more about EnergyTech¹