Written By Scott Feller, CEO and Owner of Koala Cooling & Plumbing | October 7, 2025 | Updated: May 15, 2026 Hot Water Smells Like Rotten Eggs? Here's How to Fix It TL;DR — ... Read more
1102 S Industrial Blvd, Suite C, Round Rock, TX, 78681
Office: (512) 759-8800
Water Heater Installation & Replacement in Round Rock
Tank or tankless. Gas or electric. Whether your old water heater finally gave up or you're upgrading to something more efficient, Koala Cooling & Plumbing's licensed plumbers install water heaters across Austin, Round Rock, Pflugerville, Hutto, Georgetown, Cedar Park, Leander, and Taylor. Most installations completed same-day or next-day. Written pricing before any work begins. Backed by our 100% Satisfaction Guarantee.
What Our Customers Say About Us
Tank Water Heater Installation
Traditional tank water heaters remain the most popular choice for Central Texas homes — they're reliable, affordable, and proven over decades. We install gas and electric tank units in sizes from 30 to 80 gallons. Most tank installations are completed in 2-4 hours when there are no major code updates required.
What tank installation includes:
- New tank unit, sized correctly for your household demand
- Removal and disposal of your old water heater
- All connections (water, gas or electric, drain, T&P relief)
- Code-required safety upgrades (expansion tank, drain pan, etc)
- Permit and inspection (handled by us)
- Standard warranty registration
Tankless Water Heater Installation
For endless hot water, lower energy bills, and significantly longer system life, tankless is hard to beat. Koala Cooling & Plumbing is a Navien Certified Installer and Service Provider — recognized on Navien's official website — which means our installers are factory-trained on the brand and your warranty stays fully intact. And we work on other brands, as well.
Tankless installation is more involved than tank replacement because the existing gas line, venting, and electrical typically need to be assessed and often upgraded. We handle all of it.
What tankless installation includes:
- Navien tankless unit, sized for your home's flow rate and demand
- Removal and disposal of your old water heater
- Gas line sizing assessment and upgrade if needed
- New venting (typically PVC concentric)
- Electrical connection
- Isolation valves for future maintenance
- Permit and inspection (handled by us)
- Full Navien warranty registration
Most tankless installations are completed in a single day. Complex installations (gas line resizing, relocating the unit, retrofitting older homes) may run into a second day — we'll tell you upfront.
Signs It's Time to Replace Your Water Heater
Most water heaters give you warning signs before they fail outright. The earlier you replace, the less likely you are to deal with water damage from a sudden tank failure.
- Age — Tank water heaters typically last 8-12 years in Central Texas. Hard water shortens that significantly. If yours is over 10 years old, start planning.
- Rust-colored water — Often a sign of corrosion inside the tank. Once the inside of the tank goes, leaks aren't far behind.
- Popping or rumbling noises — Sediment buildup at the bottom of the tank. Reduces efficiency, accelerates wear.
- Inconsistent hot water — Failing heating element, thermostat, or dip tube. Sometimes repairable, sometimes a sign of bigger problems.
- Energy bills climbing — A struggling water heater works harder to do the same job.
- Pooling water around the base — Don't wait. A leaking tank can fail catastrophically.
Not sure whether to repair or replace? Read our water heater repair guide — we lay out the repair-vs-replace decision honestly.
Water Heater Installation by City
Koala Cooling & Plumbing installs water heaters across Central Texas from our Round Rock headquarters. Response time varies by location — most installations scheduled within 1-2 days; emergency replacements typically same-day or next-day when our schedule allows.
Water Heater Installation in Austin
We install tank and tankless water heaters across central, north, and northwest Austin. Austin's hard water is brutal on tank water heaters — we routinely replace 7- and 8-year-old tanks here that would have lasted 12 years in softer-water regions. If you're replacing a tank, this is a great time to consider adding a water softener to extend the new unit's life.
Water Heater Installation in Round Rock
Our headquarters is in Round Rock, so we install more water heaters here than anywhere else in our service area. Tank, tankless, gas, electric — we install them all, typically with same-day or next-day scheduling.
Water Heater Installation in Pflugerville
Less than 10 miles from our headquarters, Pflugerville gets fast response. Pflugerville's water is particularly hard, which means tank water heaters often fail earlier than expected. We'll give you an honest assessment of whether your existing unit can be repaired or whether replacement makes more sense long-term.
Water Heater Installation in Hutto
Hutto sits just east of Round Rock and is a regular part of our installation rotation. Same diagnostic process, same Navien certification, same guarantee.
Water Heater Installation in Georgetown
We install water heaters across Georgetown — tank, tankless, gas, and electric. We typically reach Georgetown within an hour during business hours for emergency replacements.
Water Heater Installation in Cedar Park
Cedar Park's older neighborhoods often have aging tank water heaters past their 10-year mark. We'll give you the honest math on whether you're better off with a quick replacement now or limping along until the unit fails.
Water Heater Installation in Leander
We install Leander water heaters with the same posted-pricing, same-day-when-possible standard as the rest of our service area.
Water Heater Installation in Taylor
Taylor installations are part of our regular service rotation. Same process, same brands, same guarantee.
Why a Quality Installation Matters
Water heater installations look simple on the surface, but they involve gas, electricity, water under pressure, and combustion safety — all in the same equipment. A bad installation can cost you thousands in early failures and warranty voids, or worse, create a safety hazard.
Here's what we do that not every installer does:
- Right-sized for your actual demand. We size based on simultaneous hot water draws in your home, not just bedroom count.
- Manufacturer warranty preserved. Both tank and tankless warranties require professional installation and proper code compliance. We document everything.
- Code compliance, not minimums. Expansion tanks, T&P relief valves, drain pans where required, proper venting — all to current code, not "what passed inspection in 2009."
- Annual maintenance built in. Every installation can be paired with Koala Club membership, which keeps your warranty active and your unit running efficiently.
Faq
Most tank water heater replacements are completed in 2-4 hours. Tankless installations typically take 4-8 hours and may require a second day if gas line resizing or significant venting work is required. We'll give you a specific timeline before we begin.
Yes. We pull all required permits and coordinate inspections with your local jurisdiction. This is included in the installation price, not added later.
We install tank water heaters from all major manufacturers and we are a Navien Certified Installer for tankless. We'll discuss brand options during your estimate and recommend based on your home's needs, your budget, and the warranty you want.
While installation cost depends on several factors: tank vs. tankless, gas vs. electric, size, current code compliance, and whether your existing connections (gas line, venting, electrical) need upgrades, most water heater replacements cost between $2,700 and $3,900. We give every customer a written, all-inclusive quote before any work begins — no hourly meters, no surprise add-ons.
It depends on your household's hot water usage, how long you plan to stay in the home, and your budget. Tank units have lower upfront cost; tankless units have lower lifetime energy costs, last roughly twice as long, and provide endless hot water. For a deeper comparison, read our Tankless vs. Tank Water Heaters guide.
For tank units, the rule of thumb is 40 gallons for a household of 1-2, 50 gallons for 3-4, and 75-80 gallons for 5+. But usage patterns matter — a household of 3 that runs the dishwasher, washing machine, and shower simultaneously may need more capacity than a household of 4 that staggers usage. We size based on your actual demand.
Yes. We partner with several lenders for financing on water heater installations and replacements, with approvals typically returned in a few minutes. See our Financing page for current options.
Often yes, depending on the day and our schedule. A leaking water heater is one of the few plumbing situations where every hour matters because of potential floor and structural damage. Call (512) 759-8800 immediately — we'll give you a real arrival window and tell you exactly what to do in the meantime.
Yes. Removal and disposal of your old unit is included in the installation price. You don't need to do anything before we arrive other than clearing a path to the unit and securing any pets.
Yes, especially in Central Texas. Hard water dramatically accelerates sediment buildup in tank units and scaling in tankless heat exchangers. Both manufacturers (and most warranty terms) require documented annual professional service. Koala Club membership includes the annual flush or descaling and keeps your warranty fully active.
Areas We Serve
At Koala Cooling, we provide professional water heater installation services to homeowners across the Austin metro area. Whether you're in Austin, Round Rock, Cedar Park, Georgetown, Taylor or Pflugerville, our team is ready to help you get reliable hot water fast. We understand the unique needs of homes in Central Texas and take pride in delivering prompt, expert service backed by years of experience. No matter where you are in the surrounding areas, you can count on us to get the job done right.
Recent Water Heater Articles
Written by Scott Feller, Owner & CEO, Koala Cooling & Plumbing Updated June 14, 2026 If your water heater is on its way out — or you're building new ... Read more
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