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Climate Zone A (warm)
- The results in climate zone A (warm zone) show that the solar factor is of paramount importance, with an average saving of more than 10% when we go from a solar factor of 0.69 to 0.5. Comparing this figure with that of the cold climate zone shows the need to choose the glass according to the situation where it will be installed.
- In second and third position we have the transmittance of the glass, and the air permeability with an average saving of almost 4% and 2% respectively. Once again it is clear that, in terms of energy savings, the focus should be on the transmittance of the glass, and on ensuring that the enclosure maintains a high permeability class throughout its service life.
- In fourth position and with almost negligible savings is the thermal transmittance of the frame. This again shows that a large reduction (43%) in the thermal transmittance of the frame produces hardly any savings in energy consumption.
- In last place is the frame/glass ratio. In this case we observe a small increase in energy consumption due to the higher solar radiation input in summer through a larger glazed surface, and therefore, the increase in air-conditioning costs.
