Four Walls, Inc
Portland, Oregon
Partner of the Year
Home Energy Rater
An ENERGY STAR® partner since 2007, Four Walls, Inc collaborates with numerous builder partners in Oregon and Washington. Four Walls is committed to advancing energy efficiency in the residential sector by focusing on improvement of testing and verification techniques. The company, originally established in 1974, is receiving ENERGY STAR Partner of the Year recognition for its support of the ENERGY STAR Certified Homes program. Key 2015 accomplishments include:
- Verifying more than 200 homes in 2015, for a cumulative total of nearly 1,000 homes since joining the program.
- Pursuing opportunities to enhance equipment, testing, and verification techniques and efficiency ratings, while presenting the results in understandable ways that help builder partners improve their ENERGY STAR certified homes.
- Focusing on cultivating long-standing relationships with large and small home builders, while offering technical assistance and additional site visits, leading to increased builder sales and satisfied clients.
- Using in-depth knowledge of building science to make specific suggestions to improve the home envelope performance.












