Tankless Water Heater Replacement in Lafayette, LA
Upgrade your water heating setup with a high-efficiency tankless unit from Beau's Plumbing in Lafayette, LA, for long-term comfort and lower bills.
- Manufacturer Warranty Registration
- Code Compliant
- Dependable Hot Water
- Upfront Pricing
Need a New Tankless Water Heater in Lafayette, LA?
Our team is ready to help you pick and install the best tankless unit for your home's needs.
Reliable Tankless Water Heater Replacement Services in Lafayette, LA
When your old tankless unit is failing or you are ready to switch from a traditional tank, Beau's Plumbing offers reliable tankless water heater replacement. Our licensed plumbers make sure your new system is sized correctly and installed to meet local Lafayette, LA codes. You get on-demand hot water for years to come.
Our expertise includes:
- Condensing unit installs with PVC venting and condensate neutralizers
- Gas line sizing and upsizing for 199,000 BTU tankless units
- Careful removal and disposal of old water heaters.

Additional Plumbing Replacement Services in Lafayette, LA
When repairs are no longer enough, our replacement services in Lafayette, LA deliver modern, efficient equipment installed right.

Customers
Why Choose Beau's Plumbing for Tankless Water Heater Replacement in Lafayette, LA?
We understand the plumbing challenges homes face in Louisiana and are ready to handle any complexities involved in swapping your old tankless unit for a new, reliable one.
- 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 Louisiana utility bills.
- Space Saving, Their compact design allows tankless units fit in smaller spaces, freeing up useful room in your utility closet or garage.
- Increased Lifespan, Modern tankless water heaters often last much longer than conventional tank models, offering a better long-term investment.
Citywide Coverage
Beau's Plumbing serves every neighborhood and community within Lafayette for all your tankless water heater replacement needs. Whether you are downtown or in the surrounding suburbs, our team is ready to deliver prompt and professional service.
Experienced Team
Our plumbing team is made up of well trained and licensed professionals with extensive experience in tankless water heater technology. We keep up on the latest models, installation techniques and local Louisiana plumbing codes.
Safety-First Approach
Tankless heaters burn a lot of gas at full fire, so we pressure test gas connections and verify meter capacity before lighting the unit. Venting is installed and sealed to prevent carbon monoxide from entering living space.
Trusted Certified Lafayette Plumbing Services Professionals
At Beau's Plumbing, we take pride in providing certified plumbing services throughout Lafayette, LA. Backed by recognized 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 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 Lafayette, LA
Gas Tankless Water Heater Replacement in Lafayette
Many homes in Lafayette rely on natural gas for water heating, and gas tankless units are a very efficient option. Our gas tankless water heater replacement service includes careful inspection of your existing gas lines, proper sizing of new gas lines if needed, and secure venting to the outdoors. We put a priority on safety. All gas connections and combustion air requirements meet Louisiana and local codes, preventing potential hazards and maximizing efficiency.

Electric Tankless Water Heater Replacement in Lafayette, LA
For properties without natural gas access or those looking for an all-electric solution, electric tankless water heaters are a viable choice. Beau's Plumbing offers electric tankless water heater replacement services in Lafayette, LA. 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 effectively, providing on-demand hot water without the need for gas lines.
Recirculation Tankless Upgrades in Lafayette, LA
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 reasonable while saving thousands of gallons of wasted water a year. This upgrade is a favorite in long single-story ranch homes.
Residential Tankless Water Heater Replacement in Lafayette
For homeowners in Lafayette, upgrading to a tankless water heater offers significant benefits like endless hot water and reduced energy use. We assess your household's hot water demand to recommend the right sized unit, so you get optimal performance. Our team handles everything from safely disconnecting your old unit to installing the new tankless system. That includes any needed gas and water line adjustments and venting changes to meet current codes.
Rinnai Tankless Water Heater Replacement in Lafayette
Rinnai is a leading brand in the tankless water heater market, known for its quality and engineering. If your Rinnai unit is aging or malfunctioning, Beau's Plumbing provides expert Rinnai tankless water heater replacement in Lafayette. We make sure your new Rinnai unit is installed correctly, extending its efficiency and lifespan. Our technicians know the installation requirements and venting options for Rinnai models, so the upgrade goes cleanly.
Emergency Tankless Replacement in Lafayette, LA
A tankless heater that leaks from the heat exchanger or refuses to ignite can leave you with no hot water at all. We offer same-day emergency replacement for common models and can usually get a unit installed the day you call. If your exact model is not in stock, we can sometimes do a temporary repair to restore hot water while the replacement ships. We shut off gas and water to stop any leak on arrival. Call (504) 317-6869 any time your tankless quits.
Tank to Tankless Conversions in Lafayette, LA
Converting from a 40 or 50 gallon tank to tankless frees up floor space and ends standby heat loss in a garage or closet. The catch is that tankless units usually need a larger gas line, often three quarter inch or bigger, plus new venting. We evaluate your meter size and pipe run before quoting so there are no surprises mid-job. We also cap or reroute the old flue and seal the roof penetration if it is no longer used. Expect a conversion to take a full day.

Commercial Tankless Replacement in Lafayette
Restaurants, salons and small offices often use multiple tankless units linked together on a rack system. When one or more units fail, we replace them and rebalance the cascade controls so they share the load. We check gas pressure under full demand, since commercial racks can draw more than 600,000 BTU combined. Scheduling is flexible, so we can work after hours and keep your business open. We also set up a descaling schedule suited to your water usage.
Tankless Water Heater Replacement Near Me in Lafayette, LA
If you are searching for tankless water heater replacement near me, you want a local plumber who understands Louisiana water and gas codes. Beau's Plumbing serves Lafayette with trucks loaded for tankless installs. We can often give you a firm quote after a short phone call and a few photos.
Do not compromise on your home's hot water supply. For dependable tankless water heater replacement near me in Lafayette, choose Beau's Plumbing. We provide upfront estimates, clear communication and expert workmanship, making your upgrade to endless hot water a simple and stress-free experience.
Beau's Plumbing at a Glance
- Licensed and insured plumbers serving Lafayette, LA
- Same-day appointments and 24/7 emergency response
- Upfront, flat-rate pricing before work begins
- 4.8-star rated by 578+ Louisiana customers
Lafayette Map
Lafayette Information
- Population
- 121,467
- Area codes
- 337/225/318
- Service area
- Lafayette and communities within 40 miles
- Nearby
- Baton Rouge, Prairieville, Lake Charles, Alexandria
Replacing an old tankless water heater in Lafayette, LA is important for a reliable hot water supply, especially with changing seasonal demands and mineral content that can affect unit efficiency and lifespan.
Expert Services
Trust our professionals for reliable Beau's Plumbing solutions in Lafayette, LA.
Our Specialized Plumbing Services in Lafayette, LA
At Beau's Plumbing, we provide a complete range of plumbing services across Lafayette, LA. 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 Lafayette, LA
We keep the process clear from the first call to the final combustion test.
Request a Quote
Call (504) 317-6869 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 matches 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 annual flushing.
Frequently Asked Questions About Tankless Water Heater Replacement in Lafayette
The cost for tankless water heater replacement in Lafayette, LA 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.
We install Navien, Rinnai, Noritz, Takagi and Rheem tankless heaters. Each has strengths, and we recommend based on your flow needs, venting options and budget.
Most manufacturers offer 10 to 15 years on the heat exchanger and about 5 years on parts for residential use. We add our own labor warranty and register the unit on your behalf.
Most jurisdictions in Louisiana require a permit for water heater replacement, especially when gas piping or venting changes. We take care of permits where they are required.
To extend the life and efficiency of your new tankless water heater, regular maintenance is key, especially in areas with hard water. This usually involves annual flushing to remove mineral buildup, checking the air filter, and inspecting gas and water connections. Beau's Plumbing offers maintenance plans to help keep your unit in top condition.
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.
A standard tankless water heater replacement, if you are upgrading from an existing tankless unit, typically takes 4 to 8 hours. If you are converting from a traditional tank water heater, the process can take longer, possibly a full day, due to additional plumbing, gas or electrical changes required for proper installation and venting.
New tankless water heaters usually come with a manufacturer's warranty on the heat exchanger, usually 10 to 15 years, and on parts, usually 3 to 5 years. Beau's Plumbing also provides a warranty on our installation workmanship. We will review all warranty details with you before your replacement so you understand your coverage.
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 · Prairieville, LA
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 · Houma, LA
Patricia H.
We had a slab leak that two other companies could not find. Beau's Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Lafayette, LA
James P.
Our commercial plumbing system had a leak under the sink, and Beau's Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Hammond, LA
Mark T.
When our office needed drain cleaning, Beau's Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Alexandria, LA
Laura S.
I scheduled a water heater replacement, and the team made the process smooth and affordable. The new unit works perfectly, and they cleaned up after completing the job.
Water Heater Replacement · Lafayette, LA













