New building rules in California – looking for more energy efficiency
In the last few days, news spread around the world about California becoming the first U.S. state to require the installation of solar panels in most new homes, starting January 1, 2020. You can read some news reports here. However, the decision approved by the California Energy Commission is far more comprehensive than that. Actually, the rules involve a revision of the Building Energy Efficiency Standards, process that is undertaken routinely every few years. (You can see t