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Four Walls Inc. provides energy efficiency ratings and testing for new residential homes and multi-family properties in Oregon and SW Washington.
We participate in many certification programs including ENERGY STAR, HERS, Energy Trust of Oregon/EPS and the federal government's 45L Tax Credit for Energy Efficient New Homes.
We offer testing and consulting to builders, architects and developers interested in achieving more energy efficiency in their buildings and meeting current and upcoming building code requirements in both states.
Contact us today to get started.