• Alternate Energy Research Center - with Jack Long + New Street Group (1978-1983)
  (green roof, wind generator, passive and active solar, greenhouse, geodesic dome) Calgary, Alberta
• Wind Generator Demonstrations: Solar Shelter (1978-1983), Seabird Island (2003-2004)
• One of Western Canada's first energy efficient, sustainable concept plans
  (Olds College Homestead - 1979-81)  Olds, Alberta
• 1st & 2nd Place Winner, Innovative Land Development Competition: an energy efficient, land efficient community eco plan for Edgemont, Calgary, Alberta (Long, Sieniuc, de Ridder, Sordi - 1982 )
• 1st Place Winner (4 categories), Winter Cities Competition: energy efficient sustainable community plan for Cloverdale/Rosedale , Edmonton, Alberta  (Long, Sieniuc, Moriarty - 1985)
• Energy Efficient Plan for Cypress Hills Resort , Saskatchewan (with J. Long + New Street Group - 1982)
• Early green roof application in Vancouver - Parkview Terrace Townhouses (1987)
• Designers of rigid insulated panel systems (1979) Styrotherm (1986)
• First multi family application Nascor Insulated Wall System in Vancouver (1986-87)
• First CMHC demonstration vinyl frame energy efficient windows for multifamily in BC (1991)
• Numerous passive solar homes & community facilities (1979 - present)
• "Living Air Floor"- heating slabs, with Tang Lee (1988 - present)
• Designers of an Integrated Metal Solar Roof (2003-2004)
• First Canadian application of recycled plastic sill plates /rainscreen strapping as an alternative to treated wood (Altwood 2002-2004)
• First North America application low off gassing Supro Roofing membrane (2003-04)
• First Canadian application mould-resistant drywall for multi family housing
  (Georgia Pacific - 2002-2004)
• Early advocates formaldehyde free building products
  John Manville formaldehyde free batt insulation demonstration (2003)
• Early advocates low VOC paints and sealers
• Designers of the Seabird Island Sustainable Community Demonstration Project (2003-04)
  (sponsored by Canada Housing & Mortgage Corp, INAC, National Resources Canada)
• Net metering Demonstration (Seabird 2002- 2003)
  (First small scale wind generators allowed to be tied to the grid in BC)
• Designers Takhini Hot Springs Conceptual Plan For An Eco Village Resort (2005)
• Low-tec geo thermal (Earthtubes) for preheating & cooling ventilation air (1988 - present ) includihg Seabird Island  BC single and multi family housing, Government House Admin Centre in Mayo, Social Health Building and Daycare Centre in Carmacks, Yukon
• Various applications of geothermal/geo-exchange systems (1999 - present)
• Yukon's first small scale district geo-exchange central services (2007- 2012)
  First Nation Na Cho Nyak Dun (Government House/Central Services)
• Sustainable Eco Community/Government House, FNNND, Mayo, Yukon (2004-2009)

We are advocates for community self construction: to maximize the use of local resources, materials and labour; to feed local economies, save energy, minimize waste and pollution and to promote self reliance.

Our completed self built projects include:

• Hal'aw (Golden Eagle) multi unit housing (1991-1992)
• Beatrice Street Strata Homes (1994)
• Kitsilano (1996)
• Cayoose Creek Community Services Centre: S7istken Earth House (1992-1998)
• Seabird Island Multi Unit Townhousing (2002-2004)
• Seabird Island Single Family, Duplex Housing (2002 -2004)
• Government House, FNNND, Mayo, Yukon (2004-2009)
• Central Services Building (2007-2009)
• Community Family Housing - 8 Single Family Homes, (2008-2009)
• Numerous Single Family Homes (1979 to present)
  (including Wave, Creek, Rainforest, Treetop, Woodlands residences)