“Home Remodel for off grid home power system continued. Boiler reconfigured with water recirculation pump, heat exchanger improved, boiler power now at 60kW or 200k BTU/Hr. Wood chip feed fully automated with manual flame power control (chip delivery speed). Keeping home warm with night T in 20’s (F). Heats home in ~2 hours, good for 24. Next goal, 2000 Gal hot reservoir and home on thermostat.”
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Tree trimming companies often deliver wood chips for free, which would make this system extremely cost effective.