Water Heater Replacement Cost Calculator
Last updated: July 2026
Estimate water-heater replacement cost and operating savings for tank, tankless or heat-pump options using editable project assumptions.
Estimated net replacement cost
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- Gross installed cost: —
- Estimated annual operating savings: —
- Simple payback on upgrade: —
- Estimated monthly operating savings: —
On this page
Quick summary: Estimate water-heater replacement cost and operating savings for tank, tankless or heat-pump options using editable project assumptions. Enter the requested values, calculate, review the result, and compare more than one realistic scenario before making a decision.
Read the complete guide
What this calculator estimates
Estimate water-heater replacement cost and operating savings for tank, tankless or heat-pump options using editable project assumptions. It is designed for fast planning and comparison in the United States. The output is an estimate, not a binding quote, approval, tax determination, insurance offer or professional recommendation.
How to use it
Enter the requested values using a single consistent time period and currency. Select Calculate, review the headline result and supporting figures, then change one assumption at a time to compare another scenario.
How the calculation works
The calculator totals equipment, labor, permitting, upgrade and removal costs, subtracts rebates and compares entered annual operating costs.
Important limitations
Fuel type, capacity, venting, electrical service, location, code, warranty and household hot-water use affect price and savings.
Frequently asked questions
Is the result exact?
No. It is a planning estimate based on the assumptions entered.
Can I compare different scenarios?
Yes. Change one input at a time so you can see which assumption changes the result.
Does the calculator store my inputs?
The calculation runs in the browser and does not require an account. Avoid entering unnecessary confidential information.