Tag Archives: SRCC OG-300

In celebration of our 12 new SCRCC-approved OG-300 solar water heating systems, we decided to use Free Hot Water’s handy-dandy solar hot water cost calculator and find out which states provided the fastest payback time for residential solar water heating. … Continue reading →

More solar water heating news from Free Hot Water HQ: The Solar Rating and Certification Corporation (SRCC) has approved a total of 12 new OG-300 residential solar water heating systems manufactured by Free Hot Water. The certifications include 12 closed-loop … Continue reading →