Written By Scott Feller, CEO and Owner of Koala Cooling & Plumbing | October 7, 2025 | Updated: May 15, 2026 Hot ... Read more
1102 S Industrial Blvd, Suite C, Round Rock, TX, 78681
Office: (512) 759-8800
Reliable Water Heater Repair You Can Count On
No hot water? Leaking tank? Strange popping noises? Koala Cooling & Plumbing's licensed plumbers repair water heaters and hot water heaters across Austin, Round Rock, Pflugerville, Hutto, Georgetown, Cedar Park, Leander, and Taylor. Tank, tankless, gas, electric — we fix them all, usually same-day when our schedule allows and next-day or 48-hour at the longest. Most repairs land between $150 and $750 with every price posted online. 300+ five-star plumbing reviews. Backed by our 100% Satisfaction Guarantee.
Tank Water Heater Repairs
Traditional tank-style water heaters are reliable but can develop issues over time as parts wear out or sediment builds up. Our technicians know how to troubleshoot and repair these units quickly. Common tank repairs include:
Tankless Water Heater Repairs
Tankless systems provide on-demand hot water, but they have unique components that require specialized care. Our team has the training to diagnose and repair tankless units so they perform as they should. Common tankless repairs include:
Common Signs You Need Water Heater Repair
Your water heater will usually give you warning signs before it stops working altogether. Knowing what to look for can help you catch problems early and save money in the long run.
Watch for these common issues:
If you notice any of these problems, give us a shout before the issue gets worse.
Water Heater Repair by City
Koala Cooling & Plumbing repairs water heaters across Central Texas from our Round Rock headquarters. Response time varies by location — typically same-day for our nearby service areas when our schedule allows, with next-day or 48-hour timing at the longest during high-demand weeks.
Water Heater Repair in Austin
We service tank and tankless water heaters across central, north, and northwest Austin. Austin's hard water can shorten tank life and clog tankless heat exchangers — we diagnose the root cause before quoting. Most Austin water heater repairs land between $150-$750. Same-day service when our schedule allows.
Water Heater Repair in Round Rock
Our headquarters is in Round Rock, so we run the most water heater calls here. We repair every tank and tankless system, plus gas and electric. Round Rock's water hardness commonly causes sediment buildup at the bottom of tank units — flushes and anode rod replacements often add years to the unit before replacement is needed.
Water Heater Repair in Pflugerville
Our Pflugerville response is fast — less than 10 miles from our headquarters. Pflugerville's water is particularly hard, which is why we frequently see tankless heat exchanger fouling and premature tank failure in Pflugerville homes. Most repairs are completed same-day; full installs typically next-day or within 48 hours.
Water Heater Repair in Georgetown
Georgetown water heater calls cover everything from quick element replacements to full tankless system diagnostics. We dispatch from Round Rock and typically reach Georgetown within an hour during business hours.
Water Heater Repair in Cedar Park
Cedar Park's older neighborhoods often have aging tank water heaters past their 10-year mark — we'll tell you straight when repair is the right call versus when replacement makes more sense.
Water Heater Repair in Leander
We service Leander's tank, tankless, gas, and electric water heaters with the same posted-pricing and same-day-when-possible standard as the rest of our service area.
Water Heater Repair in Taylor
Taylor calls are part of our regular service rotation. Same diagnostic process, same posted prices, same guarantee.
Why Timely Water Heater Repair Matters
When your water heater starts showing signs of trouble, it’s more than just an inconvenience. A lack of hot water can disrupt cooking, cleaning, and bathing, but the problems don’t stop there. Leaks can lead to water damage and mold growth, while faulty components may cause energy waste that drives up your utility bills.
Delaying repairs can also create safety risks. A failing pressure relief valve, for example, can put excess strain on the system. Rust inside the tank can affect your water quality, leaving it discolored or with an unpleasant odor.
Taking care of these issues quickly helps you avoid bigger repairs or even a full replacement later. At Koala Cooling & Plumbing, we diagnose problems thoroughly and provide straightforward solutions so you can feel confident your system is running safely and efficiently again.
What Water Heater Customers Say
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"Once again, Koala Cooling's service technicians were fantastic! They replaced the water heater in a short amount of time, while being courteous and friendly. Koala Cooling will continue to be my go-to company for both HVAC and plumbing issues!"
Terry C
Pflugerville
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"Once again, Koala Cooling's service technicians were fantastic! They replaced the water heater in a short amount of time, while being courteous and friendly. Koala Cooling will continue to be my go-to company for both HVAC and plumbing issues!"
Melissa W
Georgetown
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"Koala now includes plumbing in addition to HVAC as part of the Koala Klub. This provides spring and fall HVAC inspections and maintenance. The addition is an annual plumbing inspection, plus misc. items including a water heater flush. The plumber who came out for my service was Ethan, who was very professional, knowledgeable, and explained everything very well. A detailed report is provided with any issues as well as recommendations with no pressure. An excellent value."
Dan F
Georgetown
What Our Customers Say About Us
Trusted by Over 300 Central Texas Neighbors
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for Koala Cooling:Plumbing Department - your specialists for drain service, water heaters, water softeners, and emergency plumbing.
Real reviews. Real names. Real neighbors. We earn every star.
Backed by Our 100% Satisfaction Guarantee
Every job we do — every repair, every install, every service call — is backed by our written 100% Satisfaction Guarantee. If we can't make you happy, we'll remove our equipment and refund every dollar.
Frequently Asked Questions: Water Heater Repair
Most water heater repairs run $150 to $750, depending on the issue. Common fixes like replacing a heating element, thermostat, or pressure relief valve land at the lower end. Major repairs involving the tank, gas valve, or tankless control board land higher. We post every repair price online and quote you the full cost in writing before any work starts — no hourly meters, no surprises.
The most common issues we see are no hot water (failed heating element or thermostat), inconsistent temperature, leaks around the tank or fittings, popping and rumbling noises from sediment buildup, rust-colored water, and pilot light or ignition failures on gas units. Tankless systems most often have descaling issues, error codes, or flow sensor problems.
The most common causes are a tripped breaker or thermostat on electric units, a pilot light or gas supply issue on gas units, a failed heating element, or a leaking tank. If hot water is gradually disappearing rather than gone suddenly, the cause is usually sediment buildup or a failing element. Same-day diagnosis is typically available — call (512) 759-8800 to confirm an arrival window.
Shut off the water supply to the heater (look for the cold water shutoff valve on top), then shut off the power — turn off the breaker for electric units, or set gas units to the "vacation" or "off" setting. Move anything valuable away from the leak. Then call us at (512) 759-8800 — a leaking water heater is one of the few plumbing situations where every hour matters because of potential floor and structural damage.
Most repairs can be completed in a single visit, often within a few hours. The exact time depends on the issue and whether parts need to be replaced. Common repairs like thermostats or heating elements are typically done in 1 to 2 hours. Larger jobs involving the gas valve, control board, or tank itself can take longer.
It depends on the age and condition of your unit. If your water heater is under 8 to 10 years old and the repair is minor, fixing it usually makes sense. Older systems or those with major problems — especially a leaking tank — are usually better candidates for replacement. We'll give you both options in writing with transparent pricing so you can decide.
Koala responds to water heater emergencies same-day during business hours when our schedule allows, with next-day at the longest during high-demand weeks. Call (512) 759-8800 to confirm an arrival window.
Yes. We partner with several lenders for financing on water heater repairs and replacements, with approvals typically returned in just a few minutes. See our Financing page for current options. Koala Club members also get discounted repair pricing — check out our Koala Club to see how you can get $2,300 in services for less than $1 a day.
From The Learning Center
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