Tankless Water Heater Replacement in Des Moines, IA
For efficient tankless water heater replacement in Des Moines, IA, trust KFR Plumbing. We ensure your home has consistent hot water.
- Prompt Tankless Replacement
- Isolation Valves Installed on Every Job
- Manufacturer Warranty Registration
- Code Compliant
Expert Tankless Water Heater Replacement in Des Moines, IA.
Our techs carry common tankless models and venting kits, so most swaps finish in a single visit.
Your Go-To for Tankless Water Heater Replacement in Des Moines, IA
When your old tankless unit is failing or you are ready to switch from a traditional tank, KFR Plumbing offers dependable tankless water heater replacement. Our licensed plumbers make sure your new system is sized correctly and installed to meet local Des Moines, IA codes. That gives you on-demand hot water for years to come.
Our expertise includes:
- Gas line sizing and upsizing for 199,000 BTU tankless units
- Correct sizing and model selection for your home.
- Safe gas and electric line connections for new units.

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

Customers
Why Choose KFR Plumbing for Tankless Water Heater Replacement in Des Moines, IA?
A tankless heater is only as good as its gas supply and venting. We measure both before we quote, so your new unit fires at full output instead of cutting out on high demand.
- Increased Lifespan, Modern tankless water heaters often last much longer than conventional tank models, offering a better long-term investment.
- Right-Sized Units, We calculate gallons per minute and temperature rise for your fixtures instead of guessing from square footage.
- Endless Hot Water, Never run out of hot water, even during peak demand, a true luxury for busy Des Moines households with multiple showers or large families.
Citywide Coverage
From downtown lofts to suburban homes, our technicians know the plumbing layouts found throughout Des Moines. We make sure every installation meets local codes and your standards.
Experienced Team
When you choose KFR 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 and code compliance come first in every tankless water heater replacement we perform. Our installations follow all Iowa and local Des Moines plumbing and gas codes, so your system runs safely and efficiently.
Trusted Certified Des Moines Plumbing Services Professionals
At KFR Plumbing, we take pride in providing certified plumbing services throughout Des Moines, IA. 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 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 CertificationProfessional Tankless Water Heater Replacement Services in Des Moines, IA
Recirculation Tankless Upgrades in Des Moines, IA
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 popular in long single-story ranch homes.

Commercial Tankless Water Heater Replacement in Des Moines, IA
Businesses in Des Moines, IA often need robust hot water solutions, and tankless systems can provide the efficiency and capacity needed. We specialize in replacing commercial tankless units for restaurants, offices and other facilities with minimal disruption to your operations. Our plumbers are skilled with high-capacity models and complex plumbing layouts. We deliver a steady hot water supply that meets your business's demands and health code requirements.
Emergency Tankless Water Heater Replacement in Des Moines
A sudden tankless water heater failure can leave your Des Moines home without hot water, which is a major inconvenience. KFR Plumbing offers emergency tankless water heater replacement to restore your hot water fast. We prioritize urgent situations, working to diagnose the issue and, if replacement is necessary, get a new unit installed as soon as possible. Our goal is to cut down your downtime and get your home back to normal with reliable hot water.
Tankless vs. Tank Water Heater Replacement Cost in Des Moines, IA
When considering tankless water heater replacement in Des Moines, IA, 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 cost-effective choice. We provide clear, upfront pricing for both options. That helps you make an informed decision based on your budget and hot water needs, with no surprises.
Residential Tankless Water Heater Replacement in Des Moines
For homeowners in Des Moines, 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 ideal sized unit, so you get strong performance. Our team handles everything from safely disconnecting your old unit to installing the new tankless system. That includes all necessary gas and water line adjustments and venting changes to meet current codes.
Navien Tankless Water Heater Replacement in Des Moines, IA
Navien tankless water heaters are popular for their condensing technology, offering high efficiency and performance. When it is time for a Navien tankless water heater replacement in Des Moines, IA, you can count on KFR Plumbing. We have extensive 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.
Tank to Tankless Conversions in Des Moines, IA
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 often need a larger gas line, often three quarter inch or bigger, plus new venting. We check 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.

Rinnai Tankless Water Heater Replacement in Des Moines
Rinnai is a leading brand in the tankless water heater market, known for its quality and innovation. If your Rinnai unit is aging or malfunctioning, KFR Plumbing provides expert Rinnai tankless water heater replacement in Des Moines. 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 smoothly.
Tankless Water Heater Replacement Near Me in Des Moines, IA
When your tankless unit needs replacing, you want a reliable local company. We aim to be the go-to choice for tankless water heater replacement near me in Des Moines, offering reliable solutions and transparent pricing to our neighbors throughout the community.
Do not compromise on your home's hot water supply. For dependable tankless water heater replacement near me in Des Moines, choose KFR Plumbing. We provide upfront estimates, transparent communication and expert workmanship, making your upgrade to endless hot water a simple and stress-free experience.
KFR Plumbing at a Glance
- Fully licensed plumbing team covering Des Moines, IA
- Same-day appointments and 24/7 emergency response
- Clear written estimates, no hidden fees
- 4.8-star rated by 620+ Iowa customers
Des Moines Map
Des Moines Information
- Population
- 210,381
- Area codes
- 515/641/402
- Service area
- Des Moines and communities within 40 miles
- Nearby
- West Des Moines, Urbandale, Ankeny, Waukee
Water softeners are a common upgrade in Iowa homes, helping protect tank water heaters, faucets, and appliances from mineral damage. Scale builds inside tankless heat exchangers over time, so a properly sized replacement with flush valves helps protect homes in Des Moines, IA from early failures.
Expert Services
Trust our professionals for reliable KFR Plumbing solutions in Des Moines, IA.
Our Specialized Plumbing Services in Des Moines, IA
At KFR Plumbing, we provide a complete range of plumbing services across Des Moines, IA. 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 Des Moines, IA
Our tankless water heater replacement process in Des Moines, IA is designed to be simple and efficient, so you get reliable hot water with minimal hassle.
Request a Quote
Call us at (515) 308-3583 or fill out our online form to schedule an initial consultation. We will discuss your hot water needs and current system issues, and provide a detailed, upfront estimate.
On-Site Assessment
Our licensed plumber will visit your Des Moines home to look over your existing water heating system, plumbing, gas or electrical connections and venting. This helps us recommend the right tankless model and make sure it is properly sized for your household.
Expert Installation
Once you approve the quote, our team will proceed with the professional installation of your new tankless water heater. We carefully remove the old unit, make any needed plumbing or gas line changes, and make sure the new system is correctly vented and fully operational.
Frequently Asked Questions About Tankless Water Heater Replacement in Des Moines
A like-for-like gas tankless replacement typically runs $2,800 to $4,500 installed, depending on the brand and venting. Converting from a tank to tankless often costs $4,000 to $6,500 because of gas line and venting upgrades. We give you a written quote before we start any work.
We install Navien, Rinnai, Noritz, Takagi and Rheem tankless heaters. Each has its own 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.
Yes, in most areas of Des Moines and Iowa, a permit is required for tankless water heater replacement, especially if it involves gas line changes or significant electrical work. Our team at KFR Plumbing will handle all required permitting so your installation is fully compliant with local building codes and safety regulations.
New tankless water heaters typically come with a manufacturer's warranty on the heat exchanger, usually 10 to 15 years, and on parts, usually 3 to 5 years. KFR 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.
Yes, you can certainly 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.
With proper installation and regular maintenance, a new tankless water heater usually lasts 20 to 25 years. This is much longer than traditional tank water heaters, which usually last 10 to 15 years. Regular flushing and descaling can help extend the life of your tankless unit, especially in areas with hard water.
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.
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 · Ames, IA
Patricia H.
We had a slab leak that two other companies could not find. KFR Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Urbandale, IA
Emily R.
I called KFR Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · Waukee, IA
Mark T.
When our office needed drain cleaning, KFR Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Urbandale, IA
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 · Urbandale, IA
James P.
Our commercial plumbing system had a leak under the sink, and KFR Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Waukee, IA













