Tank vs Tankless Lifetime Cost Calculator

See exactly how total cost adds up over 10 and 20 years, factoring in installation, energy, maintenance, and expected replacements. Every default number is cited to our methodology page.

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Breakeven year: Tankless never becomes cheaper over the next 40 years

Time horizonTank totalTankless total
10 years$5,945$9,100
20 years$11,890$18,200

All default prices and lifespans come from our methodology page. The computation does not replace a professional quote; use your own install numbers if you have them.