This model tests window overhang and side fins. There are four instances of sha.
The first instance models an overhang only, the second models side fins and
an overhang, the third models side fins only and the fourth has neither an overhang
nor a side fin.
lat because the latitude is now obtained from the weather data bus.redeclare statement for conPar.layer.
wL and wR for overhang
and h for window, to be
measured from the corner of the window.