ElectrifyROI
Honest payback calculators for home electrification.
Independent, ad-supported tools that estimate the true cost and savings of heat pumps, electric vehicles, and solar panels - calculated from your actual local utility rates, fuel prices, and equipment costs. Every assumption is documented and every input is yours to change, so you can see exactly where the numbers come from and test them against your own situation. The math runs entirely in your browser and nothing is sent to our servers.
Heat pump payback calculator
Compare a cold-climate heat pump against your current furnace by entering your fuel type, local energy rates, equipment costs, and available rebates. See annual savings, payback period, and a 15-year cumulative cash flow.
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EV vs gas car cost calculator
Compare the total cost of ownership for an electric vehicle against your current gas car, including fuel, maintenance, and purchase price differences. See annual savings and your break-even timeline.
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Solar panel payback calculator
Estimate how long rooftop solar takes to pay for itself based on your system size, local electricity rate, and available incentives. Includes realistic panel degradation and rate inflation.
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Combined solar + EV calculator
Model the synergy of charging an electric vehicle from your own solar panels. See how bundling both investments shortens the payback period for each.
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Heat pump water heater calculator
Compare a heat pump water heater against your current electric, gas, or oil tank. See annual savings, payback period, and 15-year cumulative cash flow.
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Induction stove vs. gas calculator
Compare the upfront and operating costs of switching from a gas range to an induction stove. Includes indoor air quality context and rebate guidance.
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E-bike vs. car cost calculator
Compare the annual cost of riding an e-bike for commuting and errands versus driving. Enter your distance, fuel prices, and e-bike cost to see annual savings, payback period, and CO₂ reduction.
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Home battery payback calculator
Estimate when a home battery system pays for itself using time-of-use rate arbitrage and backup power value. Enter your battery cost, TOU rates, and available rebates.
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