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Calkins Residence 2011 Green Leaf Award recipient for: Best in Show - Remodel Owner: Joanne Calkins Designer: Cadmon Whittey Size: 2,000 SF Renovation/addition of circa 1947, completed 2011 Certifications: N/A

Sustainable Features:

• Landscape/Site - Existing infill site in established neighborhood; native plants watered by graywater and rainwater collection; minimal site disturbance during construction.

• Water Efficiency - Graywater and rainwater collection for landscape irrigation.

• Energy Efficiency - Existing house wrapped with straw bales, with exterior bales also on second floor addition; windows of existing house replaced or moved to outside of the bales with added insulation around them to improve efficiency; roof filled with blown insulation and covered with several inches of foam insulation;  solar panels installed to supply 80% of heating and cooling needs. South-facing greenhouse windows collect heat in winter.

• Materials/Resource Efficiency - Straw bales are renewable and local resource; windows recycled from local salvage company, Habitat for Humanity, or from existing structure; lumber purchased at local salvage company, where possible; wooden laminated I-beams, in place of old-growth dimensional lumber, where possible; advanced framing techniques.

• Indoor Environmental Quality - Low or zero-VOC paints; non-toxic straw bales; reduced air infiltration so home is cooler in summer and warmer in winter.

• Innovation in Design/Features - This existing house was wrapped with straw bales to increase insulation, improve aesthetics, and conserve energy.

"This home has thick voluptuous walls, regional and salvaged materials and the new second floor addition provides lots of daylight and fabulous views of the Sandias."