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L75igf9es-126 Feb 2011 17:03This topic has already been discussed here. Our single-family house with about 160 m² (1,722 sq ft) of usable space is currently planned with double-glazed windows. With a U-value of 0.9 W/m²K (0.16 Btu/h·ft²·°F), they are not the worst. Nevertheless, we are considering whether it might be better to opt for triple glazing. Especially on the large window fronts, we are somewhat concerned about overheating in summer and cold drafts in winter due to the cold interior surface of the windows.
The architect is currently clarifying the additional costs (estimated around 5,000 CHF). Since we want to use the latest technology, we tend to lean toward triple glazing.
The windows are to be manufactured by a local window maker. Would it not be better to choose well-known mass producers such as Internorm?
Thank you for your feedback.
The architect is currently clarifying the additional costs (estimated around 5,000 CHF). Since we want to use the latest technology, we tend to lean toward triple glazing.
The windows are to be manufactured by a local window maker. Would it not be better to choose well-known mass producers such as Internorm?
Thank you for your feedback.
M
MODERATOR1 Mar 2011 21:18Hello again,
Regarding manufacturing, you are on the right track. Triple-glazed windows are heavier and thicker than double-glazed ones. Large-scale manufacturers offer the advantage of consistent (industrial) quality; once properly designed, the windows are always produced with the same standard – the production process can be well monitored, ensuring consistently good quality.
Local window makers can also produce triple-glazed windows, sometimes even cheaper than the large manufacturers. However, it is important to ensure that the necessary experience in manufacturing is available and that a quality inspection is conducted or documented. It is not just about having three panes in one frame, but also about meeting the energy performance requirements.
Triple-glazed windows are heavier than conventional ones; beyond a certain window width, it may no longer be possible to install tilt-and-turn windows, and a (more expensive) sliding window might have to be planned instead. Regarding concerns about overheating, external shading should also be considered with triple glazing, which is actually essential.
Regarding manufacturing, you are on the right track. Triple-glazed windows are heavier and thicker than double-glazed ones. Large-scale manufacturers offer the advantage of consistent (industrial) quality; once properly designed, the windows are always produced with the same standard – the production process can be well monitored, ensuring consistently good quality.
Local window makers can also produce triple-glazed windows, sometimes even cheaper than the large manufacturers. However, it is important to ensure that the necessary experience in manufacturing is available and that a quality inspection is conducted or documented. It is not just about having three panes in one frame, but also about meeting the energy performance requirements.
Triple-glazed windows are heavier than conventional ones; beyond a certain window width, it may no longer be possible to install tilt-and-turn windows, and a (more expensive) sliding window might have to be planned instead. Regarding concerns about overheating, external shading should also be considered with triple glazing, which is actually essential.
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