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Old 06-15-09, 04:13 PM   #3
groar
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Location: Toulouse, France
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Currently 32°C (90°F) outside by day. No cooling here, only ceiling fan in summer position. Inside stays at 26°C (79°F).

As the house is East/West, we installed shades recently in front of the kitchen window and the living-room bay (9x7feet). Gonna install a shade in front of the office bay (9x7feet) soon as the ground in front of the office bay is dark so very hot in afternoon and always hot in the evening.

These do have an impact on not heating in summer but will have to be removed in winter for these windows to be heated by the sun.

These shades may have an impact on the solar panels as the shades are light beige so they reflect the light. By preventing dark ground to heat they may also permit the panels to heat less, but this must be confirmed more thoroughly.

Denis.
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    (2.66 kg/l diesel)
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    (59.1 g/kWh)
Radioactive wastes saved by 3kWc photo-voltaic solar panels :
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  • Short life (<300 years) : 31.7 g/yr (10.0 mg/kWh)
Based upon "official" French figures...
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