Water Heater Replacement Cost

Most homeowners replace a water heater when the tank leaks or the unit reaches the end of its life. Angi reports a national average of $1,348 for a replacement, with most tank-style jobs falling between $882 and $1,826. HomeGuide's wider survey puts a standard 40–50 gallon tank at $600 to $3,100 installed, because it includes premium units and harder installs.

Cost by water heater type

A like-for-like swap of the same fuel and size is the cheapest job. Switching types adds work: see replacing a tank with a tankless water heater.

Labor and permits

Angi puts labor for a tank-style replacement at $150 to $450 and says labor is usually about half of the total bill. HomeGuide's labor range for a standard tank is wider, $200 to $1,000, because it includes difficult access and code work. Permits cost $25 to $300 (Angi) or $50 to $200 (HomeGuide) for gas or electrical work. More detail: water heater installation labor cost.

Extra costs to expect

Repair or replace?

A repair usually costs $228 to $1,017 (HomeAdvisor), so it makes sense for a single failed part on a younger unit. HomeGuide suggests replacing when the heater is over 10 years old or a repair would cost more than half the price of a new one. A leaking tank almost always means replacement. Compare the options in water heater repair cost.

How long a water heater lasts

Angi gives 8 to 12 years for a tank model, about 10 to 15 years for electric tanks and up to 20 years or more for tankless units. HomeGuide lists tankless at 15 to 20 years. If your tank is near the end of that window, budget for replacement before it fails and causes water damage, which Angi says averages $1,300 to $5,550 to repair.

Ways to keep the price down

• Replace with the same fuel type and size to avoid gas line, venting and wiring work.
• Get at least three written quotes that list the unit, labor, permit and haul-away separately.
• Schedule the job during business hours; emergency calls cost more (see emergency water heater repair cost).
• Ask whether the quote includes an expansion tank and code upgrades, since these are common add-ons.

Signs it is time to replace

• Water leaking from the tank itself.
• Rusty hot water that does not clear.
• Frequent repairs on an older unit.
• Not enough hot water for the household anymore.
• Loud rumbling that flushing does not fix.

What the replacement includes

A standard replacement covers draining and removing the old heater, setting the new one, connecting water and gas or electrical lines, venting for gas units, filling and testing, and hauling the old tank away. Many installs also need code-required updates.

Choosing a replacement

• Same type, same size keeps the job simplest and least expensive.
• Higher efficiency tank or heat pump models cost more but lower operating costs.
• Tankless provides continuous hot water but often needs gas, venting or electrical upgrades.
• Bigger capacity if the household has grown.

What affects the price

Tank type and size, fuel, venting, location, code updates, permits and the time of day all affect the final cost. An emergency replacement on a weekend usually costs more than a planned weekday replacement.

Plan ahead

If your heater is getting older, getting quotes before it fails gives you time to compare options and avoid emergency pricing.

Questions to ask

1. Does the price include the permit, haul-away and code updates?
2. What warranty covers the tank and the labor?
3. Is the new heater the right size for my household?

In Texas

Texas homes often have water heaters in garages and attics. Garage installs need the burner elevated off the floor for gas units, and attic installs should include a drain pan with a line to the outside.

Timing your replacement

Water heaters rarely fail at a convenient time. If yours is approaching the end of its expected life, replacing it on your schedule lets you compare quotes, choose the right size and type, and avoid emergency rates. Signs to watch for include rust in the hot water, a tank that rumbles loudly, water around the base and a drop in hot water supply.

Upgrading at replacement time

Replacement is the best time to consider an upgrade. Options include a larger tank, a high-efficiency gas model, a heat pump water heater, or a tankless system. Each has different upfront costs, installation requirements and operating costs. A heat pump water heater, for example, can sharply reduce electricity use but needs space and airflow. A tankless system saves floor space but may need gas line and venting changes. Ask the installer to price both a like-for-like replacement and the upgrade you are considering.

What happens to the old heater

Most installers remove and dispose of the old tank. Some recycle the metal. Confirm that disposal is included in the quote, since some list it separately.

Questions to settle before the installer arrives

Decide on the fuel type, the tank size or tankless capacity, and whether you want a standard or longer warranty. Clear a path from the door to the heater and move stored items away from it. Find out whether your city requires a permit and whether the installer will pull it. Ask how long the hot water will be off, so you can plan showers and laundry around the job. Having these settled makes the visit faster and avoids surprises on the final bill.

Keep the paperwork

Register the new heater with the manufacturer and keep the invoice. Both help with warranty claims.

Sources

1. Angi: How Much Does Water Heater Replacement Cost? (updated Jul 20, 2026)
2. HomeGuide: How Much Does Water Heater Installation or Replacement Cost? (Jan 2, 2026)
3. HomeAdvisor: How Much Does a Water Heater Repair Cost? (updated Jun 17, 2026)