South-facing windows. This impact can be for the better or for the worse. ... the opportunity of opting instead for angled glass which when installed correctly does a better job at absorbing the sun light from the South, but does run the risk of overheating in the Summer. The shading coefficient (SC) of a glazing indicates the amount of solar heat gain that is admitted into a building relative to a single-glazed reference glass. But, you must remember that the glass of the window may magnify the heat to dangerous levels. In warm, sunny climates excess solar gain may result in high cooling energy consumption; in cold and temperate climates winter sun entering south-facing windows can positively contribute to passive solar heating; and in nearly all climates controlling and diffusing natural illumination will improve daylighting.Well-designed sun control and shading devices can dramatically reduce building peak heat gain and cooling requirements and improve the natural lighting quality of building interiors. For my latitude (north hemisphere 50 ° 50`40“ N and 19 °14`17“ E) that maybe 50-70 ° angle of face glazing. Durability and maintenance issues are also a concern.Require A&E professionals to fully specify all glass.
In any case, this is kind of disappointing, because our new Energy 101: Daylighting video explains that south-facing windows are best for daylighting. The optimal length of an overhang depends on the size of the window and the relative importance of heating and cooling in the building.In the summer, peak sun angles occur at the solstice on June 21, but peak temperature and humidity are more likely to occur in August. What about the windows that look out onto them? South-facing bedrooms which have doors closed for long periods tend to overheat and dry out, which can lead to disrupted sleep. It requires more creative design, than the usual, but it can be done.Does sunlight hitting roof and side of apartment still raise temp inside if there’s no window?Yes, absolutely. South facing windows: Why house facing direction matters for your home improvements. That all depends on the lat/long of where you live, combined with local weather conditions, as angles and roof overhangs are impacted by snow and rain, cloudy days and other factors that aren’t often considered.
Remember that an overhang sized to fully shade a south-facing window in August will also shade the window in April when some solar heat may be desirable.To properly design shading devices it is necessary to understand the position of the sun in the sky during the cooling season. The light that enters through south-facing windows is the strongest and brightest. Because the sun follows a slightly southern east-to-west arc across the sky, southern windows usually have strong light intensity. Typically glass has less insulating properties than a wall, but there are many different ways to build a wall. If anyone knows some web with that information or calculator based on latitudes data, please let me know.In regard to what is worse, a wall or triple-paned (or glazed?) Foliage Plants. Re: Blocking Sunlight From South Facing Windows « Reply #17 on: April 05, 2015, 08:46:30 AM » We used solar screens on our last house, fitted to the exterior, in place of the regular bug screens. South-Facing Windows: Direct Sunlight. While they often perform well, their practicality is limited by the need for manual or mechanical manipulation. For example, if it rains a lot, where you are, the angle of the roof will impact overall drainage. Plants in southern windows receive full sunlight from the time the sun rises until it sets in the evening. Angled glass, however, is frequently used in passive solar design because it increases the amount of solar energy that can be absorbed.
Shading can be provided by natural landscaping or by building elements such as awnings, overhangs, and trellises. Over time, operable shading devices can require a considerable amount of maintenance and repair.When relying on landscape elements for shading, be sure to consider the cost of landscape maintenance and upkeep on life-cycle cost.Shading strategies that work well at one latitude, may be completely inappropriate for other sites at different latitudes. So even if it is 95-100 degrees outside, as long as no light enters directly through windows, that hot air won’t make the room hotter?Is there a passive solar design where the north, non-sun side has mountain views to take advantage of which are located on the exact opposite sunny south side? So I guess it could certainly be worse. The earlier in the design process that shading devices are considered they more likely they are to be attractive and well-integrated in the overall architecture of a project.Given the wide variety of buildings and the range of climates in which they can be found, it is difficult to make sweeping generalizations about the design of shading devices.
When the sun sets and outside temp drops significantly, the inside still remains pretty warm and temp did not drop by a lot.
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