Residential Plumbing · Noblesville & Hamilton County

Tankless Water Heaters

On-demand hot water that takes up less space: installation, repair and maintenance for tankless systems.

Your Plumbing Advocate

How We Handle Tankless Water Heaters

A tankless water heater heats water only when you need it, and it frees up the space a tank takes. Getting one right means sizing it for your household and making sure the gas line and venting can support it. We handle every step, and we'll tell you honestly if tankless isn't the best fit for your home.

Wall-mounted tankless water heater with its venting, expansion tank and water lines installed
A finished tankless water heater installation.
The Lineup

What We Do

Tankless Installation

Complete setup, including proper gas line sizing and venting.

Upgrades From Tank Systems

We manage the switch from a tank to a tankless model.

Tankless Repair

Diagnosis and repair of ignition problems, mineral buildup and performance issues.

Scheduled Descaling

Routine descaling and inspection help prevent breakdowns in hard-water homes.

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Our Approach

Look First. Explain Plainly. You Decide.

  1. We Look First

    We find the actual cause, not just the symptom, so the fix holds up.

  2. We Explain It Plainly

    We walk you through what we found and explain the estimate before we touch a wrench.

  3. You Make the Call

    You choose what happens next. If waiting is the smart call, we'll tell you to wait.

Questions

Tankless Water Heaters FAQs

Will a tankless water heater work in my home?

Most homes can support one, but it depends on your gas line, venting and hot water demand. We'll check before recommending it.

Does hard water affect tankless units?

Yes. Scale builds up inside them, which is why we recommend periodic descaling, and sometimes a softener, in very hard water areas.

Our Home Field

Serving Hamilton County & Surrounding Areas

Ready When You Are

Talk With Your Plumbing Advocate

Tell us what's going on. We offer same-day service, and we'll explain your options before any work begins.

Customer Reviews

Trusted by Hamilton County Homeowners

Real feedback from customers who chose Advocate Plumbing for clear communication, careful work, and dependable service.

“We had a great experience with Advocate Plumbing. Our appointment was easy to set up. Dylan communicated clearly, arrived on time, explained the work, and cleaned up after himself.”
Zach MauerCustomer review
“They installed a tankless water heater and softener after we lost ours in a basement flood. They were efficient, easy to book, and reasonably priced.”
Aleah La NeveCustomer review
“Advocate Plumbing replaced my broken sump pump. The work was efficient, clean, and thorough, and Dylan patiently explained everything.”
BethCustomer review