Tankless Water Heater Replacement in Columbus, OH
Worn-out tankless unit throwing error codes? We replace tankless water heaters across Columbus, OH with properly sized, scale-protected units that provide steady hot water.
- Top Brands Available
- Licensed Gas Line Technicians
- Quick Tankless Installation
- Isolation Valves Installed on Every Job
Need a Tankless Water Heater Replacement in Columbus, OH?
Our certified plumbers are ready to install your new, efficient tankless water heater.
Your Trusted Source for Tankless Water Heater Replacement in Columbus, OH
When it comes to tankless water heater replacement in Columbus, OH, HRL Plumbing is the reliable choice. We understand the demands that homes in Ohio place on water heaters, from mineral content to varying usage. We make sure your new tankless unit is properly sized and carefully installed for optimal performance and longevity.
Our expertise includes:
- Clean integration with existing plumbing and gas lines.
- Accurate sizing and model selection for your home.
- Careful sizing and installation of new tankless units.

Additional Plumbing Replacement Services in Columbus, OH
When repairs are no longer enough, our replacement services in Columbus, OH deliver durable upgrades that restore full performance.

Customers
Why Choose HRL Plumbing for Tankless Water Heater Replacement in Columbus, OH?
Choosing the right plumbing partner for your tankless water heater replacement is key for long-term performance and peace of mind. We bring years of experience specifically with these advanced systems.
- Energy Savings, Tankless water heaters only heat water when you need it, which can noticeably reduce energy use compared to traditional tank models, a big plus for Ohio utility bills.
- Right-Sized Units, We calculate gallons per minute and temperature rise for your fixtures instead of guessing from square footage.
- Increased Lifespan, Modern tankless water heaters often last twice as long as conventional tank models, offering a better long-term investment.
Citywide Coverage
HRL Plumbing serves every neighborhood and community within Columbus for all your tankless water heater replacement needs. Whether you are downtown or in the surrounding suburbs, our team is ready to deliver fast and professional service.
Experienced Team
When you choose HRL Plumbing, you get a team that knows the ins and outs of every major tankless brand. That means a precise and reliable installation for your home's requirements.
Safety-First Approach
Safety is our top priority for every tankless water heater replacement. We adhere strictly to all local Ohio plumbing and gas codes, so your new unit is installed securely and operates without risk.
Trusted Certified Columbus Plumbing Services Professionals
At HRL Plumbing, we take pride in providing certified plumbing services throughout Columbus, OH. Backed by leading industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationEfficient Tankless Water Heater Replacement Services in Columbus, OH
Condensing Tankless Replacement in Columbus
Condensing tankless units like the Navien NPE series or Rinnai Sensei reach efficiencies above 90 percent by recovering heat from exhaust gases. They vent through low-cost PVC and produce acidic condensate that must be neutralized and drained properly. We install a neutralizer cartridge and route the condensate line to an approved drain. A long heating season keeps water heaters and boilers working hard, so annual maintenance helps avoid midwinter breakdowns. Condensing units still save gas because they work year-round on showers, laundry and dishes. We explain the cost difference so you can decide if the efficiency gain is worth the price.

Rinnai Tankless Water Heater Replacement in Columbus
Rinnai is a leading brand in the tankless water heater market, known for its quality and engineering. If your Rinnai unit is aging or acting up, HRL Plumbing provides expert Rinnai tankless water heater replacement in Columbus. We make sure your new Rinnai unit is installed correctly, maximizing its efficiency and lifespan. Our technicians are familiar with the installation requirements and venting options for Rinnai models, so the upgrade goes smoothly.
Like-for-Like Tankless Swaps in Columbus
When your existing tankless has a cracked heat exchanger or a failed control board that is not worth repairing, a direct replacement is often the fastest fix. We match the new unit to your current gas line, venting type and mounting location whenever possible. Many Rinnai and Navien models share similar footprints, which keeps wall patching to a minimum. We also replace the old service valves if they are corroded or stuck. Most like-for-like swaps are done in four to six hours.
Electric Tankless Water Heater Replacement in Columbus, OH
For properties without natural gas access or those looking for an all-electric solution, electric tankless water heaters are a viable choice. HRL Plumbing offers electric tankless water heater replacement services in Columbus, OH. This often involves close assessment of your home's electrical panel capacity, as these units require substantial amperage. We make sure your new electric tankless unit is installed safely and correctly, providing on-demand hot water without the need for gas lines.
Navien Tankless Water Heater Replacement in Columbus, OH
Navien tankless water heaters are popular for their condensing technology, delivering high efficiency and performance. When it is time for a Navien tankless water heater replacement in Columbus, OH, you can count on HRL Plumbing. We have broad experience with Navien's advanced systems, including their combination boiler and water heater units. Our installation process focuses on optimizing your new Navien's performance, so you benefit from its energy-saving features and reliable hot water output.
Exterior Mount Tankless Units in Columbus, OH
Many homes have tankless heaters mounted on an exterior wall with no venting at all, since the unit exhausts directly outside. These units face sun, rain and temperature swings, which can wear out plastic covers and wiring over time. Frozen pipes are a regular winter concern in Ohio, especially in crawlspaces, exterior walls and unheated garages. When we replace them, we check the pipe cover, freeze protection settings and the electrical connection. We can add a protective pipe cover kit to shield the water and gas lines. Exterior models are often the simplest swap when the gas line is already sized correctly.
Recirculation Tankless Upgrades in Columbus, OH
If you are tired of running the tap while you wait for hot water, a tankless with a built-in recirculation pump can bring heat to the fixture in seconds. Navien A series and Rinnai units with internal pumps can use a dedicated return line or a crossover valve under the farthest sink. We program schedules so the pump runs only during your morning and evening peaks. That keeps gas use in check while saving thousands of gallons of wasted water a year. This upgrade is popular in long single-story ranch homes.

Tankless vs. Tank Water Heater Replacement Cost in Columbus, OH
When considering tankless water heater replacement in Columbus, OH, it is natural to compare costs. While the initial installation of a tankless unit can be higher than a traditional tank, the long-term energy savings and longer lifespan often make it the more economical choice. We provide honest, upfront pricing for both options. That helps you make an informed decision based on your budget and hot water needs, with no surprises.
Tankless Water Heater Replacement Near Me in Columbus, OH
If you are searching for tankless water heater replacement near me in Columbus, OH, HRL Plumbing is your local expert. Our service area covers the whole region, so a professional plumber is always close by when you need a new, efficient hot water solution. We are known for quick response times and reliable service for all tankless installations.
Local service matters because tankless problems often show up during the busiest part of your day. Our techs are close by and can figure out whether a repair or replacement makes more sense. We back every replacement with clear labor coverage and register your manufacturer warranty for you.
HRL Plumbing at a Glance
- Fully licensed plumbing team covering Columbus, OH
- 24/7 emergency service with same-day scheduling
- Upfront, flat-rate pricing before work begins
- 4.9-star rated by 673+ Ohio customers
Columbus Map
Columbus Information
- Population
- 913,175
- Area codes
- 614/740/380
- Service area
- Columbus and communities within 40 miles
- Nearby
- Dublin, Newark, Springfield, Mansfield
Private wells serve many rural homes, and iron, sulfur and hardness are frequent issues that call for filtration or softening. Scale builds inside tankless heat exchangers over time, so a correctly sized replacement with flush valves protects homes in Columbus, OH from early failures.
Expert Services
Trust our professionals for reliable HRL Plumbing solutions in Columbus, OH.
Our Specialized Plumbing Services in Columbus, OH
At HRL Plumbing, we provide a complete range of plumbing services across Columbus, OH. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How Our Tankless Water Heater Replacement Process Works in Columbus, OH
We keep the process easy to follow from the first call to the final combustion test.
Request a Quote
Call (740) 449-7505 with your current model number and a photo of the install. We give you a rough price and schedule a visit.
Size and Inspect
Our tech measures gas line size, meter capacity, venting path and water hardness. We recommend a unit that fits your hot water demand.
Install and Test
We remove the old heater, install the new one with service valves and venting, then test gas pressure and combustion. You get a walkthrough on settings and flushing.
Frequently Asked Questions About Tankless Water Heater Replacement in Columbus
The cost for tankless water heater replacement in Columbus, OH usually ranges from $3,000 to $6,000, depending on the unit's brand, capacity, fuel type (gas or electric) and any needed changes to gas lines, electrical or venting. This estimate includes both the new unit and professional installation. We will provide a detailed quote upfront after assessing your needs.
A standard tankless water heater replacement typically takes between 4 and 8 hours. This timeframe can vary based on whether we are replacing an existing tankless unit with a similar model or upgrading from a traditional tank water heater. A tank conversion may require more extensive changes to gas lines, electrical or venting.
DIY tankless water heater replacement is usually not recommended due to the complexity of gas lines, high-voltage electricity, water connections and venting requirements. Improper installation can lead to dangerous gas leaks, carbon monoxide poisoning, water damage or electrical hazards. It is best to hire a licensed and experienced plumber like HRL Plumbing.
A direct swap typically takes four to six hours. A tank to tankless conversion with new gas and venting usually takes a full day.
Frequent error codes, fluctuating temperature, water leaking from inside the cabinet and a unit older than 15 years are common signs. If the heat exchanger is leaking, replacement is typically the better value.
Common signs that your tankless water heater needs replacement include frequent error codes, inconsistent water temperature, reduced hot water flow or a complete lack of hot water. If your unit is over 15 to 20 years old and repairs are becoming common and costly, replacement is often the more sensible choice.
Yes, you can absolutely replace a traditional tank water heater with a tankless unit. This is a common upgrade for homeowners looking for better energy efficiency and endless hot water. However, it often requires changes to gas lines, venting and possibly electrical wiring, making professional installation essential for safety and performance.
HRL Plumbing installs and replaces all major reputable brands of tankless water heaters. Our preferred brands include Rinnai, Navien, Noritz and Rheem, as they are known for their reliability, energy efficiency and long-term performance. We can also source and install other brands based on your preference or home requirements.
What People Are Saying About Our Plumbing Experts?

Robert G.
The trenchless sewer replacement saved our front yard. They walked us through the camera inspection footage first so we knew exactly what we were paying for.
Sewer Line Replacement · Columbus, OH
Patricia H.
We had a slab leak that two other companies could not find. HRL Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Newark, OH
James P.
Our commercial plumbing system had a leak under the sink, and HRL Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Newark, OH
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Springfield, OH
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Springfield, OH
Mark T.
When our office needed drain cleaning, HRL Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Newark, OH













