BIG is a third-party residential green building verification system that assures your residential building meets the energy efficient guidelines for certification.

Energy Liberty Corporation performs the guidance, test and certification applications for new and upgraded homes throughout California. A BIG rating is the easiest way for potential home buyer to trust that the benefits of a living in a green home; improved comfort, indoor air quality,  along with energy savings and reduced maintenance are verified to be incorporated into their home.

If you are considering going green on your next project, contact us for a free consultation to learn how easy it can be.