The Carbon Lighthouse Association, a local nonprofit affiliated with the S.F.-based private company Carbon Light-house, has awarded its Carbon-Free Plaque to the Jewish Community High School of the Bay.

The plaque was presented May 29 at the San Francisco school.

According to a press release issued by Carbon Lighthouse, an energy and environmental firm, JCHS “has completed several projects with Carbon Lighthouse to eliminate its building’s entire carbon footprint.”

Following the company’s analysis at JCHS, efficiency improvements were made, including the installation of day-lighting sensors and new controls for the boilers, compressors, economizers and air handlers.

“These measures reduced the energy use of the building’s systems by 25 percent,” the press release noted, “requiring no new major capital equipment.”

Rabbi Howard Ruben, the JCHS head of school, said JCHS is proud to be able to “care for a fragile planet through green practices.”