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Tankless Water Heaters in Greater Cincinnati

Thinking about going tankless, or need your tankless unit repaired? We install tankless water heaters from brands including Rinnai, Navien, and Rheem, and handle the venting, gas line and plumbing connections, and the required plumbing permits.

Navien tankless water heater installed on a basement wall next to a water softener
Signs You Need Tankless Water Heaters

When to Call Us

Your Tank Is Near the End

An older tank heater with rust, leaks, or rumbling is a natural time to compare tankless options.

You Run Out of Hot Water

Tankless units heat water on demand, so a properly sized system doesn't run out the way a tank can.

You Want the Space Back

A wall-mounted tankless unit frees up the floor space a tank takes up.

What the Job Involves

How We Handle Tankless Water Heaters

1. Sizing & Site Check

We look at your household's hot water demand, your gas line or electrical service, and where the unit and venting can go.

2. Flat-Rate Quote

You get the full price before we start — unit, venting, connections, and permits.

3. Install

We handle the plumbing install: unit, venting, gas line and water connections, and the required plumbing permits. A tankless install typically takes 3–6 hours, depending on your current setup.

4. Walkthrough & Warranty

We show you how the unit works and walk you through the manufacturer's warranty. Our labor carries a 1-year warranty.

Tank vs. Tankless

Should You Upgrade to Tankless?

Tankless is a great fit for a lot of households, but not for every one. Here's the honest picture before you decide.

Pros

  • Endless hot water. The unit heats water as you use it, so a properly sized system doesn't run out during back-to-back showers.
  • Space savings. It mounts on the wall and frees up the floor space a tank takes.
  • Efficiency. Water is heated only when you open a tap, so you get endless hot water without keeping a full tank hot all day, and less energy is lost to standby heat loss.
  • Longer lifespan. With regular maintenance, a tankless unit typically lasts longer than a tank heater.

Cons

  • Higher upfront cost. The unit and installation usually cost more than a like-for-like tank replacement.
  • Possible gas line or venting upgrades. Many homes need a larger gas line or new venting, which adds to the price. We check this before we quote.
  • Annual maintenance. Tankless units need regular descaling and flushing, especially with our area's hard water.
  • Flow limits. Each unit supplies a set number of gallons per minute, so running several showers and appliances at once can outpace it. Sizing it correctly matters.

We'll look at how your household uses hot water and what your gas and venting setup allows, then tell you straight whether tankless makes sense or a new tank is the better value.

BeforeOld gas tank water heater in a basement before replacement
AfterNew Navien tankless water heater mounted in the same basement
Good to Know

Tankless Repair & Maintenance

Tankless units need occasional maintenance, especially with Greater Cincinnati's moderately hard water, which leaves scale in the heat exchanger. We offer tankless descaling and flush service to keep your unit running efficiently. Pairing a tankless unit with a water softener can reduce scale buildup.

Manufacturer warranties on tankless water heaters typically require regular maintenance, including descaling and flushing. Skipping it could void that coverage, so it pays to keep up with service and keep a record of it.

Licensed and insured: Ohio Plumbing Contractor License #50644, Indiana Plumbing Contractor License #PC12400229, full liability and workers' comp coverage. All labor carries a 1-year warranty.

Frequently Asked Questions

Tankless Water Heaters Questions

It can, as long as the unit is sized for the flow you need. We figure out how many fixtures run at once in your home and choose a unit that keeps up.

It depends on your household's hot water use, your existing gas or electrical setup, and how long you plan to stay. We'll give you an honest comparison with a tank replacement and quote both if you'd like.

We install tankless units from brands including Rinnai, Navien, and Rheem.

Sometimes. Gas tankless units can need more gas capacity than a tank heater. We check your gas line during the site visit and include any gas line work in the quote.

Same-day installs are often available for standard tank water heaters during our posted hours. Tankless installs usually need a site check first. Call during our posted hours — Mon–Fri 8am–7pm, Sat 9am–1pm.

Related Services

More Ways We Can Help

Dealing with more than one issue? We also handle:

Water Heater Install & Repair →Gas Line Installation & Repair →Water Softeners & Filtration →Whole-House Repiping →

Areas We Serve

Financing available. Residential jobs from $500 to $25,000 can be financed through Wisetack, subject to credit approval. See financing options.

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Need Tankless Water Heaters?

Call for a free estimate or request a quote online — Mon–Fri 8am–7pm, Sat 9am–1pm.

Call 513-540-4575Free Estimate