The 2019 Developing Energy Efficiency Requirements Needs that every one new solitary-relatives households and multi-spouse and children properties that are less than a few stories will have to conform to the new solar code criteria and it is local weather zone-distinct depending on the sizing of a house’s floor region. https://californiasolarservices.news.blog/2024/08/23/what-should-you-consider-when-hiring-commercial-solar-contractors/