Four Walls, Inc. tests and provides support to builders and developers to ensure that new buildings, including residential, commercial and multi-family projects, meet current energy codes. Energy code compliance testing includes:
- Duct tightness testing.
- Blower door testing for building envelope tightness.
- Verification that energy efficiency measures were installed correctly.
We provide Whole Building Air Tightness testing, which is required for all commercial and multi-family buildings in the state of Washington, the United States General Services Administration and all United States Army Corps of Engineers projects.