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S
- Solar warmth profits (QS)
They are gains of warmth of a building through sun rays on walls and roofs and transparent components (windows). They are dependent on the sky direction and the inclimation of the exposed areal as well as on the parent insulation which has both advantages - utmost solar warmth gains at minimal transmission warmth loss. Using TWD-systems attention must be paid on insulation in summertime to prevent the building from overheating.
- Solar collectors
They consist of absorbers which deliver the son warmth to a warmth carrier medium (e.g. water-glycol-mix) and make sun rays usable for heat warmth and heating water.
