Standard Water Heater Prices
Analysis of 4,811 eBay listings for standard water heaters.
What you'll usually pay
💡 Used ones cost about 65% more here.
👉 In short easy summary
The best value is found in Corded Electric models, which sit 51% below the market median. High-capacity units (81-120 gal) command the highest premiums at 380% above the median.
💚 Best value for your money
Price by power source
Why? Prices vary by fuel type, with NG (Natural Gas) at 299.99 and Corded Electric at 71.84.
Price by tank capacity
Why? Larger tanks cost significantly more, peaking at 700 for 81-120 gal versus 89.49 for under 20 gal.
Price by voltage
Why? Voltage requirements impact cost, with 208 V units at 307.03 and 110 V units at 67.61.
Price by mounting location
Why? Specialized installations like RV (199.61) are more expensive than standard Indoor (115.06) units.
🛒 Some on sale right now
Common questions
What is the median price for a high-capacity water heater (81-100 gal)?
The median price for units in the 81-100 gal range is 700.
How do used water heaters compare to new ones in price?
The used median is 200, while the new median is 120.9.
Which power source is the most affordable?
Corded Electric is the most affordable power source with a median price of 71.84.
How we got these numbers
Worked out from 200 live eBay listings (price range $38–$806, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 26, 2026.