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• 22:45, 26 December 2025 Marcin talk contribs created page Open Source Heat Pump Calculations (Created page with "=Cost= Components $11k OSE, $5k industry standard, but installed industry standard is $15k. Real savings come from zero marginal energy cost and aeriveability over lifetime, with 30 year TCO of $17k OSE and $80k industry standard. https://chatgpt.com/share/694f053b-ac5c-8010-9abd-48733240b9d8")