Achieving Energy Efficiency in Queensland
Climate Zones in Victoria and ACT
The climate zones in Victoria and the ACT (climate zones 6, 7 and 8) are considered heating climates, and require windows and doors with a low U Value (which denotes better insulation) and high Solar Heat Gain Co-efficient (SHGC) (to capture free heat from the sun).
For the Central Victorian region from Shepparton to the NSW border and out to Echuca (Climate zone 4), please refer to the Window and Door Specification for 7-Stars - NSW guide.
Options for improving your Energy Efficiency through glass
To make your selection easier, we've created a good, better, and best glass offer for the VIC and ACT climate zones, with tiered performance levels. While performance will be a major consideration in deciding which glass to use, other factors such as cost, window colour, availability, and lead times may also play a role. There are many other options available to meet a variety of needs; please contact your Trend representative for more information.
Energy Ratings
In addition to good design and orientation, the products and glazing we recommend below will assist in achieving 7-stars for your building.
Residential Awning Window
| WERS Code | Product Series | Option | Glass Type | U Value | SHGC |
| TND-002-015 | Synergy | Standard | Clear IGU | 4.1 | 0.57 |
| TND-002-019 | Synergy | Good | Low E Clear IGU | 3.3 | 0.45 |
| TND-120-023 | ThermaHybrid | Better | Double Coat Low E IGU | 2.7 | 0.43 |
| TND-102-033 | ThermaRes | Best | Double Coat Low E IGU | 2 | 0.38 |
Residential Sliding Window
| WERS Code | Product Series | Option | Glass Type | U Value | SHGC |
| TND-001-015 | Synergy | Standard | Clear IGU | 4.2 | 0.58 |
| TND-001-021 | Synergy | Good | Low E Clear IGU | 3.2 | 0.46 |
| TND-001-300 | Synergy | Better | Double Coat Low E IGU | 3.0 | 0.42 |
| TND-104-024 | ThermaRes | Best | Double Coat Low E IGU | 2.5 | 0.48 |
Residential Sliding Door
| WERS Code | Product Series | Option | Glass Type | U Value | SHGC |
| TND-017-009 | Synergy | Standard | Clear IGU | 3.8 | 0.63 |
| TND-017-022 | Synergy | Good | Low E Clear IGU | 2.8 | 0.49 |
| TND-017-300 | Synergy | Better | Double Coat Low E IGU | 2.6 | 0.45 |
| TND-108-024 | ThermaRes | Best | Double Coat Low E IGU | 1.7 | 0.44 |
Architectural Awning Window
| WERS Code | Product Series | Option | Glass Type | U Value | SHGC |
| TND-060-002 | Quantum | Standard | Clear IGU | 4.5 | 0.49 |
| TND-060-053 | Quantum | Good | Low E Clear IGU | 3.9 | 0.39 |
| TND-031-300 | Quantum | Better | Double Coat Low E IGU | 3.7 | 0.36 |
| TND-103-020 | ThermaArc | Best | Double Coat Low E IGU | 2.1 | 0.35 |
Architectural Sliding Door
| WERS Code | Product Series | Option | Glass Type | U Value | SHGC |
| TND-017-009 | Quantum | Standard | Clear IGU | 3.8 | 0.63 |
| TND-017-013 | Quantum | Good | Low E Clear IGU | 2.9 | 0.48 |
| TND-917-300 | Quantum | Better | Double Coat Low E IGU | 2.4 | 0.44 |
| TND-109-051 | ThermaArc | Best | Double Coat Low E IGU | 1.9 | 0.42 |
ACHIEVING ENERGY EFFICIENCY IN VIC and ACT
Window and Door Specification for 7-stars
Download our window and door specification guide for VIC and ACT which includes the glass options for improving your energy efficiency to meet the 7-star requirements, as well as a cheat sheet of WERS values to make product selection easy.
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