Built Green Net Zero Group Entry
North Bend Net Zero
Project Details
Builder: TC Legend Homes
GSF: 2,026 sq ft
Completion: January 2019
Location: North Bend, WA
Energy Performance: Home Energy Rating System (HERS) index score of zero with solar PV (34 without PV)
This is a two-story, 2,026 square foot, four-bedroom home in beautiful North Bend, Washington at the base of Mount Si. As with all TC Legend Homes, it is constructed from Structural Insulated Panels, ensuring an air-tight envelope with minimal thermal bridging. It is ENERGY STAR v.3.2, EPA Indoor airPLUS, and Built Green® 5-Star certified. Notable features include:
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A simple rectangular design to minimize exposed surface area
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Orientation and window placement to optimize active and passive solar
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Slab on grade with 4” under-slab insulation
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Insulated concrete forms
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Structural Insulated Panel construction (locally sourced)
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Triple-bead mastic and tape for air sealing of all joints
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Triple-pane windows
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High-efficiency air-source mini-split heat pump system for heating, cooling
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High-efficiency heat pump hot water heater
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ENERGY STAR refrigerator, dishwasher, and exhaust fan
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High-efficiency Heat Recovery Ventilator to ensure clean, balanced ventilation
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.88 (ACH50) air infiltration rating
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Zero-VOC paint
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7.2 kW photovoltaic solar system (locally fabricated)
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Energy Performance: Home Energy Rating System (HERS) index score of zero with solar PV (34 without PV)
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Electric vehicle charging capable
