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No. 1307 Project Straka Residence Status Certified
Lead CPHC Stephen Magneron
Builder Vert Design Inc. Location Ottawa, ON
QA/QC Rater Ross Elliott Architecture Planning Vert Design Inc. Mechanical Systems Designer Design HVAC Experts Inc. & Zehnder America Inc.
Constr. Type Insulated concrete forms Bldg. Function Single Family Floor Area 2094
Project Type New Construction HERS Index LEED Rating
Energy Star Rating Heating Degree Days Cooling Degree Days
Units 1 Certification Type PHIUS+2015 Certification Date March 20, 2018
Exterior Wall ICF - R-65 Double wall - R-67
Floor Slab - R-49 Exposed floor - R-50
Roof R-85
Window Frame Klearwall Eco Therm 90+
Window Glazing Klearwall SHGC 0.61, U-0.105
Entrance Door Klearwall - R-5
Ventilation Paul Novus 300 HRV 93%
Heating System Mistubishi Ductless Mini-splits
Submitter Stephen Magneron
Air-tightness 0.028 cfm50/ft2
Cooling System Mistubishi Ductless Mini-splits
Additional Consultants Homesol Building Solutions Inc. (energy modeling), Building Alternatives Inc. (structural engineering), MTBA Inc. (heritage architecture)
Additional Notes This urban family home is located in New Edinburgh, one of the oldest neighbourhoods in Ottawa, Canada. Built in the first phase of a two-phase infill project, the design was constrained by very restrictive heritage conservation bylaws. The new home’s north wall adjoins a (formerly detached) building constructed in 1945. This project was the first (and possibly the last) multi-story home built by Christopher Straka (VERT using an insulated concrete form based wall assembly in working toward achieving the Passive House standard. Other certified Passive House projects designed by VERT have employed pre-manufactured light wood frame with foam insulation assemblies and site-built light wood frame double wall with cellulose insulation assemblies. The home at 15 Dufferin Road is the 2nd Passive House designed and built by VERT in the neighbourhood and the 4th in the region.

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