Grace Richardson, an Energy Master Volunteer with Virginia Cooperative Extension explains how a thermal camera works. “It helps find where air is leaking, when warm air is escaping. The blue light means it is colder and when it turns red, it is warm.” The Energy Master program trains volunteers in energy efficiency and water conservation. Since 2011, 180 volunteers have helped more than 600 families living in affordable housing buildings in Arlington and Alexandria to decrease their energy and water usage.
Photo by Shirley Ruhe.