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Gregory Duncan
Profile picture used for my interview in The International Passive House...
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Uploaded on Aug 1, 2011
Wolfgang Feist addressing the Passive House conference
15th Annual International Passive House Conference
15th Annual International Passive House Conference
15th Annual International Passive House Conference
15th Annual International Passive House Conference
15th Annual International Passive House Conference
15th Annual International Passive House Conference
15th Annual International Passive House Conference
15th Annual International Passive House Conference
Tour of a Passive House at Energiepark near Innsbruck
window detail at Passive House at the Energiepark near Innsbruck
Design
9 photos
13 views
Passive House
94 photos
52 views
Travel Photos
42 photos
3 views
One Bryant Park
14 photos
14 views
New York City
15 photos
2 views
