How accurate is this water heater calculator?

It gives a solid ballpark based on your unit type, the work needed, and how soon. It’s an estimate, not a quote — venting, gas lines, and local code can shift the final number, which your pro confirms at no obligation.

Does the estimate include installation?

Yes — the ranges reflect the installed price (parts plus labor) for a standard job, not just the unit on the shelf. Permits and code upgrades may be added separately.

Is a tankless water heater worth the higher cost?

Tankless units cost more upfront but use less energy and last longer, with endless hot water. They make the most sense for higher hot-water demand or when you want lower running costs over time.

How long does a water heater last?

A tank water heater typically lasts 8–12 years; tankless units often last 15–20. If yours is past 10 years or leaking from the tank, replacement usually beats repair.

Free tool · Updated 2026

Water Heater Cost Calculator

Estimate your water heater replacement, installation, or repair cost in under a minute. Pick your unit type, size, and job — the calculator below adjusts the price live for your situation. Then talk to a licensed pro for an exact, no-obligation quote.

Start the calculator Call: (844) 817-0277

Interactive estimate

Build your water heater estimate

Every choice updates the price instantly, with a clear equipment / labor / add-ons breakdown — no email required.

Which type of water heater?

Tank size

What’s the job?

Add-ons you’ll likely need

Where are you?

Timeline

Your estimate

$1,700–$2,200

Installed price (parts + labor). Updated live.

Equipment (unit)$1,000
Labor & installation$650
Add-ons$250

Call: (844) 817-0277

No obligation Licensed pros

Estimate only — venting, gas lines, and local code can shift the final number. A pro confirms it on-site.

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National averages · 2026

Average water heater costs

Installed price ranges across the US. Open your city for a locally adjusted estimate.

Tank — gas (40–50 gal)$1,200 – $2,800
Tank — electric (40–50 gal)$1,000 – $2,500
Tankless — gas$3,000 – $6,000+
Heat pump / hybrid$2,500 – $5,500
Installation labor only$1,000 – $2,200
Repair (per visit)$150 – $800

* Installed (parts + labor). Permits and code upgrades may be added separately.

Behind the numbers

What affects your water heater cost

Unit type

A tank, a tankless, or a heat-pump (hybrid) unit each sit at a different price point. Tankless and hybrid cost more upfront but use less energy.

Fuel source

Gas vs electric changes both the unit and the install — gas adds venting and a gas line; electric may need a circuit upgrade.

Capacity & size

A 40-gallon tank costs less than a 75-gallon, and a higher-GPM tankless costs more. Size to your household’s peak hot-water demand.

Permits & code

Most jurisdictions require a permit, an expansion tank on closed systems, and proper venting. Some states (like California) require seismic strapping.

Local labor

Labor rates swing by metro. The calculator anchors to national averages; your city page adjusts for local rates.

New install vs swap

A like-for-like replacement is the most straightforward job. Fuel conversions, relocations, and first-time installs add labor.

FAQ

Water heater calculator FAQs

In 2026, a standard tank water heater runs about $1,000–$2,800 installed, a tankless unit $3,000–$6,000+, and a heat-pump (hybrid) model $2,500–$5,500. Your exact price depends on fuel, size, and local labor — use the calculator above and a pro confirms it on-site.

Got your estimate? Lock in the real price.

Talk to a licensed water heater pro now — no obligation, no pressure.

(844) 817-0277 Available now · Same-day service