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net_exterior_wall_area – Used to calculate envelope_UA and house_content_heat_transfer_coeff.


module residential;
class house {
  double net_exterior_wall_area[sf];


This is an automatically calculated value, not a variable the user may set.

It is calculated by:

net_exterior_wall_area = exterior_wall_fraction * gross_wall_area - window_area - door_area


Using default values:

[math]1 \cdot 1633\text{ft}^2 - 244.95\text{ft}^2 - 78\text{ft}^2 = 1310.05\text{ft}^2[/math]

Therefore the default net_exterior_wall_area is about 1310 square feet.

See Also