David Johnston
David Johnston is president of What’s Working Inc., Boulder, Colo. He is the author of Toward a Zero Energy Home and Green Remodeling and can be reached through his Web site www.greenbuilding.com or david@whatsworking.com.
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Events
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- RD+B Profitable Design/Build
- 05/22/2013
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- KBDN Art+Science Seminars
- 02/21/2013
-
- RD+B Profitable Design/Build
- 05/22/2013
- KBDN Art+Science Seminars
- 02/21/2013
