The foundation in this unit was built with insulated concrete forms (ICFs) bringing it to R-41.
An extensive gutter system around the eaves delivers water to rain barrels for site watering.
An extensive south-facing window wall features triple-glazed glass and a concrete floor to capture and hold solar heat.
Finishes on the outside include black metal cladding that also captures solar energy in this cold climate. Cedar soffit and fascia are regional species and very durable. Concrete window wells are durable and introduce daylighting to basement space.
An optimally placed Sanyo 12 kW PV system makes this 1,500-sq.-ft. home the only one of the three that has achieved its net-zero-energy potential. The other two homes are prewired for solar, and have been sold, but to date they have no on-site power source.
The door to the roof deck can help with ventilation by providing a stack effect for excess heat to escape.
- Les Wold, Effect Home Builderswww.effecthomes.ca
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