A multi-physics simulator for the should-I-upgrade-my-home decision: annual bills and CO2 from your envelope, HVAC, water heater, solar and EV, with 14 upgrades ranked by 25-year IRR after IRA tax credits.
energy-efficiency building-physics roi-analysis heat-pump electrification solar-pv home-energy ira-tax-credits
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Updated
Jun 12, 2026 - Python