The CSI-Thermal Program provides incentives to offset the cost of installing solar water heating systems in California. Whether you're an industry veteran or just beginning to consider a self-installation, this section will equip you with the knowledge and tools needed to help usher in the next solar water heating revolution!
About the CSI-Thermal Program
Learn about the CSI-Thermal Program and rebate application process.
Solar Water Heating Education & Technical Resources
Build your knowledge of solar water heating systems and technology applications.
Become an Eligible Contractor
Follow these steps to become an eligible contractor or self-installer.
Upcoming Events
Join CSE at a future workshop or training.
CSI-Thermal Installer Toolkit
Access application process tutorials, permitting resources, technical guides, marketing tools and other helpful resources.
Frequently Asked Questions
Have a question? Check out the FAQs or contact us directly.