Tankless Water Heater Replacement in Everett, WA
Get endless hot water back in your Everett, WA home with a tankless water heater replacement done right, from gas line sizing to venting and descaling valves.
- Same-Day Replacement Available
- Manufacturer Warranty Registration
- Dependable Hot Water
- Expert, Licensed Plumbers
Get Your New Tankless Water Heater Installed in Everett, WA.
Our licensed plumbers are ready to install your new, efficient tankless water heater.
Tankless Water Heater Replacement in Everett, WA Built for Hard Water
FHN Plumbing specializes in professional tankless water heater replacement across Everett, WA. If your current tankless unit is past its prime, frequently breaking down, or simply not meeting your hot water demands, it might be time for an upgrade. We handle every step of removing your old unit and installing a brand new, energy-efficient model.
Our expertise includes:
- Expert removal and disposal of old water heaters.
- Safe gas and electric line connections for new units.
- Accurate sizing and model selection for your home.

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

Customers
Why Choose FHN Plumbing for Tankless Water Heater Replacement in Everett, WA?
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 shutting down on high demand.
- Clean Venting, We route venting to meet manufacturer clearances from windows, doors and rooflines.
- 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 Washington utility bills.
- Increased Lifespan, Modern tankless water heaters often last twice as long as conventional tank models, offering a better long-term investment.
Citywide Coverage
FHN Plumbing is proud to serve every neighborhood of Everett, so no matter where you are, expert tankless water heater replacement is just a call away. We understand the different housing types across Everett and tailor our service to each home's needs.
Experienced Team
Our team of licensed plumbers has extensive experience with all major tankless water heater brands and models. They complete ongoing training to stay current on installation techniques and safety protocols for this specialized equipment.
Safety-First Approach
We take extra care with gas and water line connections, ventilation and pressure relief systems. You get a replacement that not only works perfectly but also meets the highest safety standards.
Trusted Certified Everett Plumbing Services Professionals
At FHN Plumbing, we take pride in providing licensed, certified plumbing services throughout Everett, WA. 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 CertificationExpert Tankless Water Heater Replacement Services in Everett, WA
Navien Tankless Water Heater Replacement in Everett, WA
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 Everett, WA, you can count on FHN 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.

Residential Tankless Water Heater Replacement in Everett
For homeowners in Everett, 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.
Exterior Mount Tankless Units in Everett, WA
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 break down plastic covers and wiring over time. Hard freezes are occasional on the west side of Washington, but short cold snaps catch many homes with uninsulated pipes off guard. 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 easiest swap when the gas line is already sized correctly.
Like-for-Like Tankless Swaps in Everett
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 seized. Most like-for-like swaps are done in four to six hours.
Tankless vs. Tank Water Heater Conversion in Everett, WA
Thinking about converting from a traditional tank water heater to a tankless system in your Everett, WA home? This is a common and beneficial upgrade, but it requires specialized expertise. We handle the entire conversion, which can involve rerouting gas lines, upgrading electrical service, modifying water lines and installing new venting. Our team makes for a smooth transition, so you can enjoy the long-term benefits of a modern, efficient tankless system.
Recirculation Tankless Upgrades in Everett, WA
If you are tired of running the tap waiting 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.
Condensing Tankless Replacement in Everett
Condensing tankless units like the Navien NPE series or Rinnai Sensei reach efficiencies above 90 percent by capturing 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. Washington has two very different climates, with long, wet and mild seasons in the west and hot, dry summers and cold winters in the east. 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 it.

Commercial Tankless Water Heater Replacement in Everett, WA
Businesses in Everett, WA 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 experienced with high-capacity models and complex plumbing layouts. We deliver a reliable hot water supply that meets your business's demands and health code requirements.
Tankless Water Heater Replacement Near Me in Everett, WA
Looking for tankless water heater replacement near me in Everett, WA? FHN Plumbing is your local pro, providing prompt and professional service across the entire area. Our team is positioned to respond quickly to your hot water needs, with fast service right to your doorstep.
Do not compromise on your home's hot water supply. For dependable tankless water heater replacement near me in Everett, choose FHN Plumbing. We provide upfront estimates, clear communication and expert workmanship, making your upgrade to endless hot water a smooth and stress-free experience.
FHN Plumbing at a Glance
- Fully licensed plumbing team covering Everett, WA
- 24/7 emergency service with same-day scheduling
- Upfront, flat-rate pricing before work begins
- 4.9-star rated by 382+ Washington customers
Everett Map
Everett Information
- Population
- 111,180
- Area codes
- 425/206/360
- Service area
- Everett and communities within 40 miles
- Nearby
- Marysville, Bothell, Shoreline, Kirkland
Replacing your tankless water heater in Everett, WA is a sound investment, especially with seasonal temperature swings and the need for efficient hot water in modern homes.
Expert Services
Trust our professionals for reliable FHN Plumbing solutions in Everett, WA.
Our Specialized Plumbing Services in Everett, WA
At FHN Plumbing, we provide a complete range of plumbing services across Everett, WA. 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 Everett, WA
We follow a tested method for every tankless water heater replacement in Everett, from initial assessment to final testing, for a quality installation.
Request a Quote
Call (425) 491-3131 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 flushing.
Frequently Asked Questions About Tankless Water Heater Replacement in Everett
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.
Most jurisdictions in Washington require a permit for water heater replacement, especially when gas piping or venting changes. We take care of permits where they are required.
Yes, tankless water heaters are generally more energy-efficient than traditional tank models. They only heat water on demand, eliminating the standby heat loss that comes with keeping a large tank of water hot. This can lead to significant savings on your utility bills over time, particularly in homes with varying hot water usage.
DIY tankless water heater replacement is generally 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 FHN Plumbing.
A direct swap usually takes four to six hours. A tank to tankless conversion with new gas and venting usually takes a full day.
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.
New tankless water heaters usually come with a manufacturer's warranty, which usually covers the heat exchanger for 10 to 15 years and parts for 3 to 5 years. FHN Plumbing also provides a labor warranty on our installation work for your peace of mind. We will go over warranty details for your chosen unit during your consultation.
What People Are Saying About Our Plumbing Experts?

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 · Redmond, WA
James P.
Our commercial plumbing system had a leak under the sink, and FHN Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Shoreline, WA
Patricia H.
We had a slab leak that two other companies could not find. FHN Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Bothell, WA
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 · Bothell, WA
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 · Seattle, WA
Emily R.
I called FHN 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 · Bothell, WA













