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:

  • 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

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