Founded in 2006, Four Walls, Inc. is an energy-efficiency consulting firm based in Portland, Oregon. We predict how buildings use energy, helping clients understand the energy and cost savings of their buildings. We serve builders, architects, engineers and real estate professionals throughout the Pacific Northwest.
Similar to the EPA’s fuel economy ratings for cars, the Home Energy Score estimates a home’s energy costs. Since Jan. 1, 2018, Home Energy Scores have been required for most single-family homes for sale in Portland, Oregon.
If you’re a homeowner or realtor needing a Home Energy Score, count on us for:
We’re proud to work with some of the region’s finest builders and real estate professionals.