1996 won Sto with the transparent insulation the innovation prize of German commerce. At the low sun in winter, the wall behind the insulation is warmed up.
At the high sun in summer, this effect is much less.
Context description: Weiz Styria Styrian Austria Austrian building construction renovation exhibition exhibitions convention conventions event events date time year 2005 05 month 10 Oct October autumn fall 2005-10 200510
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