Tankless sizing
We match the unit to your flow rate and climate.
Our Ironclad Guarantee
Fixed Right the First Time
If it comes back, so do we.
Upfront Pricing, No Surprises
You approve the price before we start.
On Time or We Call Ahead
Late means a call, every time.
Written Warranty on Every Job
In writing, not just a handshake.
Is Tankless Right for You?
Tankless pays off in the right home. These signs say it's worth a look.
01
You run out of hot water
A tank that cannot keep up with your household is a prime tankless candidate.
02
You want lower energy bills
Tankless heats only on demand, cutting the standby energy a tank wastes.
03
You are short on space
Wall-mounted tankless units free up the floor space a tank takes.
04
Your tank is due to be replaced
Replacement time is the natural moment to switch to tankless.
Tired of running out of hot water, or want lower bills?
We install fast and back it in writing across Austin.
Our Tankless Services
From sizing to install, we set up endless hot water done right.
Gas tankless installation
High-capacity gas units installed and vented to code.
Electric tankless installation
Right-sized electric units for the right applications.
Tank-to-tankless conversion
We handle the gas, venting, and water changes a switch needs.
Descaling & maintenance
We service tankless units to keep them efficient.
Recirculation options
Add recirculation for near-instant hot water.
Austin Homeowners Trust Ironclad
Had three other plumbers tell me I needed to dig up my yard for a sewer line issue. Ironclad did a camera inspection and fixed it with trenchless repair. Saved me thousands.
Called them for a leak under our kitchen sink. They showed up same day, found the problem fast, and fixed it in under an hour. Price was exactly what they quoted.
Our water heater died on a Sunday night. They answered the phone and had someone out Monday first thing. These guys are the real deal.
The Ironclad Difference
Why Austin Calls Ironclad
Anyone can hang a tankless unit. We're built so you never have to make this call twice.
01
4.9 Average Rating
142 published reviews across Google, Yelp, and Nextdoor.
02
Licensed & Insured
Verify our Master Plumber license with the State Board.
03
Locally Owned
Austin neighbors, not a national call center.
04
24/7 Emergency Service
A backup at 2 AM still gets a real person.
142
Reviews
4.9
Rating
19+
Areas Served
Our Process
What to Expect
01
Book in 60 seconds
Online or by phone. Tell us about your home.
02
We assess and quote
We confirm your gas and venting and give you an upfront price.
03
We install to code
Proper sizing, gas, and venting, done clean.
04
We test and walk you through it
We confirm endless hot water and show you the controls.
Tankless Water Heater Installation in Austin and Nearby Areas
Expert tankless installation across Austin and the surrounding metro.
AustinRound RockCedar ParkPflugervilleGeorgetownLeanderLakewayBee CaveBudaKyleHuttoDripping Springs
Schedule Installation Near YouTankless Water Heater FAQ
How much does a tankless water heater cost in Austin?
Installed, most run $3,000 to $6,500 depending on the unit and gas or venting work. You approve the price first.
Is tankless worth it?
For most homes yes: endless hot water, lower energy bills, and a 15-to-20-year lifespan.
Will it really never run out of hot water?
Correct. A tankless unit heats on demand, so it does not run dry like a tank.
Does my home need upgrades to go tankless?
Sometimes the gas line or venting needs work. We check and include it in the upfront quote.
How long does installation take?
Most tankless installs take most of a day, especially when gas or venting changes are involved.
Is it guaranteed?
Yes, our written warranty plus the manufacturer warranty.
10% off your first service
Ready for Endless Hot Water?
Book online in 60 seconds or call for tankless installation in Austin.