What a water heater replacement costs — line by line
A standard tank water heater replacement is typically a low-four-figure job in the US. Rather than one blended range, OurHomeSays shows it as line items — the unit, labor, a service fee, and add-ons like permits and old-unit disposal — each an industry estimate with its assumptions stated. Adjust the inputs below for your situation.
Tank water heater replacement — estimated cost
| Base / service feeestimate Trip charge or job minimum; varies by contractor. | $80 |
| Materialsestimate Assumes mid-grade materials at the quantity/size you entered. | $700 |
| Labor (3 hr × $120/hr)calculation Assumes standard access and no hidden damage. | $360 |
| Permitestimate Optional / situational. | $120 |
| Old-unit disposalestimate Optional / situational. | $60 |
| Expansion tank / code upgradeestimate Optional / situational. | $180 |
Honest range for this job
$1,200 – $1,875
mid estimate $1,500
Assumptions
- • Every dollar figure is a Tier-3 industry-survey ESTIMATE, not a fixed price or a quote.
- • Region multiplier 1.00× is a OurHomeSays cost-of-living adjustment, not a cited local price.
- • Mid-grade materials, standard access, and no hidden damage are assumed.
What changes the price
- • Local labor rates and how many contractors are competing for the work.
- • Material grade (good / better / best) and the exact quantity or size.
- • Hidden damage, code upgrades, permits, and disposal of the old unit.
Why tankless costs more up front
A tankless unit and its installation run higher than a tank ($1,400–$3,900 vs roughly $881–$1,825 for a tank, industry estimates), partly because it can need gas-line or venting upgrades. It lasts longer (20+ years per DOE) and cuts standby energy loss, so the higher price can pay back over time — but only if your setup doesn't need expensive upgrades.
These are estimates, not quotes
Every figure here comes from contractor-lead industry surveys and is a ballpark, not a fixed price. The publishers earn revenue from connecting you to pros, so treat the numbers as a starting point and get at least two written quotes.
When to call a professional
- • Water heater installation involves gas or water connections and often a permit — use a licensed plumber or gas fitter.
- • Get at least two written quotes before committing.
Common questions
- Why is my quote higher than the estimate?
- Local labor rates, code upgrades (like an expansion tank), difficult access, or switching fuel types all add cost. A real quote reflects your home; a national estimate can't.
- Tank or tankless?
- Tankless costs more up front and lasts longer with lower standby loss. Tank is cheaper and simpler. If your gas/venting already suits tankless, the payback is better.
Sources
- Tank water heater replacement (unit + install): $881–$1,825 (avg ~$1,300) (US, industry estimate). Tier 3 (industry estimate)estimate · has commercial bias
HomeGuide · verified 2026-07-26 - Tankless water heater replacement: $1,400–$3,900 (up to $5,600 high-efficiency) (US, industry estimate). Tier 3 (industry estimate)estimate · has commercial bias
Angi · verified 2026-07-26 - Conventional tank water heater typical service life: 6-12 years. Tier 2 (standards/extension)
InterNACHI (Standard Estimated Life Expectancy Chart) · verified 2026-07-26