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David Lazerwitz was a tour guide at our HQ this weekend, as was Pamela Burton, Scott Cooper, Will Sumner, Corey Fitch, Jeremy Smithson, and assorted volunteers from the Green Homes Tour. About 100 folks showed up over Saturday and Sunday, and it was an enthusiastic and informed crowd. It was show-and-tell for the three solar electric systems, solar hot water system, radiant heating system, blower door and thermal imager, edible landscaping, rain water collection system, new whole-house monitoring system, electric vehciles and charging, all in a high-performance 104-year-old house.  The weather was gorgeous and solar production was high…