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Tomahawk Island, Portland OR
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Energy
The active solar system. The lower left shows a portion of the solar electric PV system. The upper right shows most of the solar hot-water system.
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- Passive solar design: indirect gain w/ solarium and water storage tank
- Small home size (1150 Sq.Ft. plus 200 Sq. Ft. greenhouse)
- Solar hot-water: water heating system [40 sf]
- Solar electricity: PV system (solar electric)
- Insulation: blown in cellulose - R-30 walls; R-54 ceiling, R-33 floors
- Energy Star appliances:
refridgerator, dish-washer, clothes washer
- Energy Star lighting fixtures:
w/ CF bulbs—over 70% of fixtures
- Energy performance monitoring system:
- kWh produced, imported, exported & consumed
- kWh consumed by major appliance with data logger
- EPA rated low emission fireplace: sealed combustion wood burning fireplace.
- Furnace: Solar assisted Lifebreath hydronic forced air furnace
- Heating ducts: located in conditioned space
- HRV system: Lifebreath Heat Recovery Ventilator
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