26 Apr '12, 4pm

90% less energy than a similarly sized office building! Farmhouse deep energy retrofit (DER) and office conversion:

90% less energy than a similarly sized office building! Farmhouse deep energy retrofit (DER) and office conversion:

Project Summary | Commercial Deep Energy Retrofit The Bullitt Center, located in the heart of the hill towns of the Pioneer Valley, has undergone a complete renovation to meet the net-zero carbon goal of the client, The Trustees of Reservations, and the occupant, the Hilltown Land Trust. The historic farmhouse was stripped of the existing skin, revealing its historic timber frame and sheathing, and then wrapped with a new super-insulated exterior. MEASURES IMPLEMENTED The exterior walls were coveredwith polyisocyanurate rigid foam, while the roof received new structural insulatedpanels (SIPs). In addition to providing thermal bridge-free continuous insulation, the SIPs' rigidity and span worked very well with a roof that had succumbed to structural sag over time. The interior building cavities and the foundation walls were sprayed with closed cell foam insulation. Two air ...

Full article: http://www.zeroenergy.com/commercialbuildings.html

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