Project Details

Builder: TC Legend Homes
GSF: 2,026 sq ft
Completion: January 2019
Location: North Bend, WA

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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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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

• Orientation and window placement to optimize active and passive solar

• Slab on grade with 4” under-slab insulation

• Insulated concrete forms

• Structural Insulated Panel construction (locally sourced)

• Triple-bead mastic and tape for air sealing of all joints

• Triple-pane windows

• High-efficiency air-source mini-split heat pump system for heating, cooling

• High-efficiency heat pump hot water heater

• ENERGY STAR refrigerator, dishwasher, and exhaust fan

• High-efficiency Heat Recovery Ventilator to ensure clean, balanced ventilation

• .88 (ACH50) air infiltration rating

• Zero-VOC paint

• 7.2 kW photovoltaic solar system (locally fabricated)

• Energy Performance: Home Energy Rating System (HERS) index score of zero with solar PV (34 without PV)

• Electric vehicle charging capable