What’s the best way to analyze a commercial solar water heating project for optimal energy output? It’s not easy. Several decades ago, a couple of professors from the University of Wisconsin came up with something called the F-Chart methodology. I took their calculations and put them into a spreadsheet of my own. After many tweaks and slight improvements I finally ended up with a program that is both easy to use and remarkably accurate. In this video, I show how to use my F-Chart to determine the appropriate collector area, storage volume, and energy output for a sample project. Enjoy!
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