Tankless Water Heater Installation
New tankless units installed, sized and permitted — gas or electric, garage, closet or exterior wall.
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Service area
Tankless Water Heater Service in Round Rock, TX
Installation, repair, replacement, maintenance and descaling for tankless water heaters in Round Rock, TX and the surrounding neighborhoods.
Round Rock is two-story brick, mostly built from the mid-1990s through the 2000s — Forest Creek, Behrens Ranch, Teravista, Sonoma, Chandler Creek — with a scattering of older homes around Old Town. And in a large share of those two-story houses, the water heater is in the attic, sitting in a pan above finished ceilings.
That is the job we do most often up here: taking the tank out of the attic and putting a tankless unit on the garage wall. It removes the flood risk, frees the pan space, and makes the annual descale a ten-minute setup instead of a ladder and a crawl.
What matters in Round Rock specifically
- Water: Round Rock's supply comes largely through the Brushy Creek Regional Utility Authority from Lake Georgetown, and it is harder than what Austin Water delivers a few miles south. Tankless units here scale faster. We recommend descaling at nine to twelve months rather than annually unless the house has a working softener.
- Permits: the City of Round Rock requires a permit and inspection for water heater replacement. We handle both.
- Housing: attic installs dominate the 1990s and 2000s subdivisions. If your heater is up there and it is over ten years old, the question is not whether to move it but whether to do it before or after it leaks.
What we do in Round Rock
Tankless Water Heater Repair
Error codes, cold sandwiches, no ignition, dropping flow — diagnosed and fixed, usually in one visit.
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Tankless Water Heater Replacement
Old tank or worn-out tankless unit swapped for the right size, with the venting and gas work brought up to code.
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Tankless Water Heater Maintenance
The annual service that keeps the warranty valid: flush, filter, burner, venting, controller and safety checks.
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Tankless Water Heater Descaling
A proper circulating vinegar or solution flush that pulls Central Texas scale out of the heat exchanger.
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Gas Tankless Water Heater Installation
Natural gas and propane units: line sizing, meter capacity, sealed venting and combustion set-up done properly.
Learn moreQuestions from Round Rock homeowners
Can you move my attic water heater down to the garage?
In most Round Rock two-story homes, yes. It typically adds $400 to $900 to the job and eliminates the possibility of a tank failure coming through your ceiling.
Is Round Rock water harder than Austin's?
Generally yes. The Lake Georgetown supply runs harder than Austin's Colorado River water, which is why we shorten the descaling interval for homes up here.
Do you serve the Williamson County side of Round Rock and nearby Brushy Creek?
Yes, both, along with Hutto and Wells Branch on the way through.
Nearby cities we cover
Book a Round Rock appointment
Same-week scheduling across Round Rock, TX. No hot water is treated as urgent.