California Center for Sustainable Energy

The CSI-Thermal Single Family and Multifamily Low Income Program has launched.  The document includes requirements and information on this portion of the CSI-Thermal program.

Valuable information for installers that eases your sizing pains. There are many ways to determine the correct collector array size. Metering is difficult and expensive, but the methods listed in this paper should provide guidance sizing of the array.

Water Consumption from Freeze Protection Valves for Solar Water Heating Systems

List of valves that are certified by the American Society of Safety Engineers and areacceptable for use in the Solar Water Heating Pilot Program.