Exterior, House Building Type, Gable RoofLine, and Wood Siding Material “Who better than the farmer and the farmer's family to know how most effectively and easily to find efficiency?” says architect Alan Barlis. Regional architecture inspired the barn-life structure of the house, an open volume that aides in efficient heating and cooling of the space.  Best Photos from A Passive House and "Sauna Tower" Join a 19th-Century Barn in the Hudson Valley