Energy efficient window and door systems are an important part of any green building project. Thermally broken aluminium window and door systems deliver a number of benefits for green building. ThermalHEART™ window and door systems offer substantially improved insulation properties for the building envelope as well as greater resistance to solar heat gain. ThermalHEART™ thermally broken aluminium window and door systems provide an energy efficient alternative to traditional non-thermally broken aluminium window and door products, helping you maximise efficiency and comfort within your projects.
The insulation properties of a window are measured as a U-value. The U-value provides and indication of how much heat energy is transferred through a window. The lower the U-value, the better the window is at keeping the heat or cold out.
The illustration right shows how the insulation properties of ThermalHEART™ window and door systems, combined with appropriate glass selection, improve the U-value and window performance in a cold climate. The principles would operate in reverse in a warm climate. ThermalHEART™ window and door systems provide excellent insulation minimising the transfer of heat or cold between the internal and external environment.
Find out more about ThermalHEART™ U-values
ThermalHEART™ - U-value
The tables shown below are extracts from the AWS product listings on the WERS certified products database. They illustrate the significant performance gains achieved by ThermalHEART™ systems.
The first table shows WERS data for a typical non-thermally broken CentreGLAZE™ commercial framing system with a common monolithic glass type - this glass and frame combination achieves a U-value of 3.9.
The second table shows WERS data for a typical non-thermally broken CentreGLAZE™ double glazed commercial framing system with a variety of glass combinations - this system achieves a U-value of 2.5.
The third table shows WERS data for a ThermalHEART™ CentreGLAZE™ system using the same glass alternatives as demonstrated in the previous table. This system achieves a U-value of 1.9.
SHGC is a measure of how much solar radiation passes through a window. ThermalHEART™ systems drastically reduce solar heat gain through the window frame. Varying levels of solar radiation will still pass through the glass, offering passive solar heating. Appropriate glass selection will ensure the optimum performance of ThermalHEART™ windows based on climate zone.
Find out more about ThermalHEART™ SHGC-values
ThermalHEART™ - SHGC
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Energy efficient window and door systems are an important part of any green building project. Thermally broken aluminium window and door systems deliver a number of benefits for green building.Learn more
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