Achieving Energy Efficiency in Queensland
Climate Zones in Queensland
The Queensland coastal region (climate zone 2) is primarily a cooling climate, so it is most important that your Windows and Doors have a low Solar Heat Gain Coefficient (SHGC), as you want to prevent the heat from the sun from entering your house.
At the same time, climate zone 2 experiences mild winters, so having windows with a lower U Value is equally important. A lower U Value contributes to energy efficiency by minimising heat loss and reducing the need for heating in cooler seasons. In turn, this lowers energy consumption and associated heating costs.
For the Western region, including Toowoomba and Dalby (climate zone 5), 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 Queensland climate zone, 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.
GOOD
SG Clear Hard Coat Low-E
Our Good upgrade from Trend’s Standard Clear Single Glazing is Clear Hard Coat Low-E. The glass is coated in thin layers of metallic oxide when manufactured, which reflects radiant heat helping to maintain a cooler interior.
BETTER
SG Neutral Hard Coat Low-E
For even Better performance in more demanding climate zones, orientations or house designs, you can apply a ‘Neutral’ Hard Coat Low-E coating to your glass, providing a significant improvement in reducing your SHGC.
BEST
DG Soft Coat Low-E
The Best performing glass to achieve improved energy efficiency is a Double Glazed Soft Coat Low-E. This combination will provide best energy efficiency and will help with compliance for even the most demanding designs or sites.
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.
Synergy Awning Window
| WERS Code | Option | Glass Type | U Value | SHGC |
| TND-002-002 | - | Clear | 6.5 | 0.65 |
| TND-002-TBA | Good | Low E Clear | 5.1 | 0.57 |
| TND-002-TBA | Better | Low E Neutral | 5 | 0.43 |
| TND-002-TBA | Best | Low E - DG | 3.2 | 0.33 |
Synergy Fixed Window
| WERS Code | Option | Glass Type | U Value | SHGC |
| TND-003-033 | - | Clear | 5.9 | 0.78 |
| TND-003-032 | Good | Low E Clear | 4.0 | 0.66 |
| TND-003-TBA | Better | Low E Neutral | 4.0 | 0.48 |
| TND-003-TBA | Best | Low E - DG | 2.2 | 0.38 |
Synergy Sliding Window
| WERS Code | Option | Glass Type | U Value | SHGC |
| TND-001-002 | - | Clear | 6.5 | 0.72 |
| TND-001-303 | Good | Low E Clear | 4.8 | 0.62 |
| TND-001-TBA | Better | Low E Neutral | 4.7 | 0.46 |
| TND-001-TBA | Best | Low E - DG | 3.2 | 0.33 |
Synergy Sliding Door
| WERS Code | Option | Glass Type | U Value | SHGC |
| TND-017-001 | - | Clear | 6.4 | 0.73 |
| TND-017-TBA | Good | Low E Clear | 4.5 | 0.63 |
| TND-017-TBA | Better | Low E Neutral | 4.4 | 0.46 |
| TND-017-TBA | Best | Low E - DG | 2.8 | 0.34 |
Quantum Awning Window
| WERS Code | Option | Glass Type | U Value | SHGC |
| TND-059-002 | - | Clear | 6.7 | 0.56 |
| TND-059-032 | Good | Low E Clear | 5.7 | 0.49 |
| TND-059-TBA | Better | Low E Neutral | 5.6 | 0.37 |
| TND-060-TBA | Best | Low E - DG | 3.8 | 0.28 |
Quantum Sliding Window
| WERS Code | Option | Glass Type | U Value | SHGC |
| TND-078-002 | - | Clear | 6.7 | 0.67 |
| TND-078-031 | Good | Low E Clear | 5.2 | 0.58 |
| TND-078-TBA | Better | Low E Neutral | 5.2 | 0.43 |
| TND-079-TBA | Best | Low E - DG | 3.3 | 0.34 |
Quantum Fixed Window
| WERS Code | Option | Glass Type | U Value | SHGC |
| TND-024-001 | - | Clear | 6.2 | 0.75 |
| TND-024-006 | Good | Low E Clear | 4.4 | 0.65 |
| TND-024-TBA | Better | Low E Neutral | 4.3 | 0.48 |
| TND-031-TBA | Best | Low E - DG | 2.3 | 0.38 |
ACHIEVING ENERGY EFFICIENCY IN QUEENSLAND
Window and Door Specification for 7-stars
Download our window and door specification guide QLD 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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