How Much Does It Cost to Repair or Replace a Water Heater in Texas?

Everything’s bigger in Texas — but what about the bill you’ll receive if your water heater needs to be serviced? Learn more about the average cost to repair or replace a water heater in the Lone Star State.

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Your water heater powers your dishwasher, clothes washer and the hot shower you crave at the end of the day. When it goes kaput, it's not so much a matter of whether you should have it serviced, but how much that service will cost. And if your hot water is already out, the last thing you want right now is to be blindsided by exorbitant water heater service fees. If you’re calling around for estimates, these figures should give you a ballpark idea of how much you can expect to pay in your state.

Repair and replacement costs vary depending on where you live. For comparison, the national average for diagnosis is $101, for repair is $359 and for replacement is $1,396. The good news? We're seeing prices that are, on the national level, lower than when we first reported this data in 2021. National average diagnosis fees are up just $2 in four years, while average repair and replacement costs are down 27% and 20% respectively.

The following average prices are based on aggregated HomeServe data reported by our network of contractors across the state of Texas:

Water Heater Diagnosis: $95

The diagnostic fee is what the technician will charge you to tell you what’s wrong with your system and whether it needs to be repaired or replaced. In Texas, this fee is about 6% lower than the national average.

Water Heater Repair: $282

Any of a number of things may be going wrong with your water heater — issues with the gas control valve, a faulty thermostat or a combination of several malfunctions. This average repair price includes replacement parts and the labor to install them. Repairs cost Texans an average of 21% less than the U.S. overall.

Water Heater Replace: $1,613

Water heaters don’t last forever, and a breakdown might be a sign that yours is on its way out. At the end of your water heater’s usable life (about 10 years), you'll need to spring for a new one. Texas’ average replacement price is more than 10% less than the nation’s.

(Note that HomeServe water heater data should generally be assumed to refer to conventional “tanked” models — the most common type — as opposed to tankless or “on-demand” models, which can cost roughly twice as much.)

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