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Achieving 5-Star Plus Energy Ratings

Thermal insulation methods to achieve 5-Star Plus home energy ratings on the Peninsula.

Insulation and Thermal Bridging

Wood studs act as cold pathways. We wrap framing in continuous exterior foam boards (R-10) to break the cold path and increase wall ratings to R-38.

Air Seal Testing & HRVs

We utilize blower-door tests to find and seal leaks, then install Heat Recovery Ventilators to provide fresh air while capturing exhaust warmth.

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Planning Checklist

  • Verify attic blown-in depth is R-60
  • Tape all vapor barrier joints
  • Perform pre-drywall blower door test
  • Exceed 5-Star Plus criteria benchmarks