Table 5. Marginal energy saving contributions from additional trees for west wall shade compared to the unshaded prototypes
Tree TypeConstruction Type
Mason 80Wood 80Mason 50
$%2$%$%
Olive (paraboloid, 85%)1
1 tree406.8346,6765.5
2 trees213.5193.7392.8
3 trees30.520.360.4
Totals6410.85510.61218.7
Polydan eucalypltus (ellipsoid, 84%)
1 tree244.0203.9413.0
2 trees162.7132.5342.4
3 trees132.2132.5271.9
Totals538.9468.91027.3
  • 1. (shape, interception)

  • 2 percentages are of total annual costs