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Gregory Duncan's photostream |
Gregory Duncan, RA, LEED AP
member of NY Passive House and the International Passive House Alliance
Contacts (0)
Gregory Duncan hasn't listed any contacts yet.
Groups (8)
- People Portraits 1,687,444 photos, 82,134 members
- Arch Daily 71,108 photos, 5,116 members
- blower door test 15 photos, 4 members
- Travel Photography 1,400,121 photos, 65,735 members
- Green Buildings + Sustainable Communities 6,876 photos, 1,669 members
- Zero Energy Homes 226 photos, 35 members
- NY Passive House 88 photos, 2 members
- Guatemala 30,161 photos, 1,781 members
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