🔌 Home Energy Tools

Eight tools for home energy planning — appliance costs, solar payback, EV charging and generator sizing. Every one runs entirely in your browser.

🔌 Appliance Running Cost Calculator

Free appliance electricity running cost calculator.

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☀️ Solar Panel Payback Calculator

Free solar panel payback period calculator.

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💡 LED vs Incandescent Cost Calculator

Free LED vs incandescent light bulb cost comparison calculator.

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🏡 Home Energy Usage Estimator

Free total household energy usage and cost estimator.

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🌡️ Thermostat Savings Calculator

Free thermostat degree-adjustment savings estimator.

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🚿 Water Heater Running Cost Calculator

Free electric water heater running cost calculator.

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🔋 EV Charging Cost Calculator

Free electric vehicle charging cost calculator.

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⚙️ Generator Sizing Calculator

Free backup generator wattage sizing calculator.

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