Tankless Water Heater Installation in Fargo, ND
HPN Plumbing installs gas and electric tankless water heaters in Fargo, ND, sized to your household so hot water never runs out mid-shower.
- Same-Day Estimates Offered
- Quick, Efficient Installation
- Clear Pricing
- Factory-Trained Installers
Switch to a Properly Sized Tankless Water Heater in Fargo, ND.
Contact HPN Plumbing today for a free consultation and discover the benefits of a new tankless system.
Professional Tankless Water Heater Installation for Homes in Fargo, ND
When you choose HPN Plumbing for tankless water heater installation in Fargo, you are investing in a long-term solution. Our team ensures proper sizing and venting, which are crucial for the performance of your new, energy-efficient system.
Our expertise includes:
- Installation of gas and electric tankless units.
- Professional venting and gas line connections.
- Seamless integration with existing plumbing systems.

Additional Plumbing Installation Services in Fargo, ND
We install water heaters, pumps, lines, and fixtures across Fargo, ND with careful, permitted work that passes inspection the first time.

Customers
Why Choose HPN Plumbing for Tankless Water Heater Installation in Fargo, ND?
Choosing the right plumbing partner for a major upgrade like a tankless water heater is key for long-term satisfaction. HPN Plumbing brings years of experience to every installation, ensuring quality workmanship and reliable performance.
- Space Saving, These compact units free up useful floor space, often installed on a wall or in a small utility closet.
- Energy Savings, Tankless units only heat water as needed, which can noticeably reduce your energy bills compared to traditional tank heaters.
- Energy Efficiency, Tankless units heat water only when needed, potentially lowering your utility bills compared to traditional storage tanks.
Citywide Coverage
From bustling downtown blocks to quiet suburban streets, our team is equipped to provide quality tankless water heater installation across all of Fargo. Your hot water comfort is our priority, close to home.
Experienced Team
Every technician at HPN Plumbing is committed to ongoing education, staying current with advances in tankless technology and local plumbing codes. This training supports a safe, reliable and high-performing installation.
Safety-First Approach
We conduct careful inspections after every tankless installation to make sure everything is operating safely and efficiently. You can rest assured that your new system from HPN Plumbing meets strict standards of safety and quality.
Trusted Certified Fargo Plumbing Services Professionals
At HPN Plumbing, we take pride in providing licensed, certified plumbing services throughout Fargo, ND. 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 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 CertificationDependable Tankless Water Heater Installation Services in Fargo, ND
Tankless vs Tank Cost Comparison in Fargo, ND
Tankless installation costs more upfront than a standard tank because of the unit price, gas line upgrades and venting changes. Over time, lower standby energy losses and a longer expected lifespan make up for part of that cost. Tankless units often last 15 to 20 years with proper descaling, compared with about 8 to 12 years for many tanks in hard water areas. We give you a side-by-side quote so you can decide what fits your budget.

Gas Tankless Water Heater Installation in Fargo
For many homes in Fargo, gas tankless water heaters are a popular choice due to their powerful heating and lower operating costs compared to electric models. Our licensed technicians handle all aspects of gas line connections, venting and combustion air requirements, so your system operates safely and efficiently. We work with leading brands like Rinnai and Noritz to provide high-performance, on-demand hot water.
Cost-Effective Tankless Conversions in Fargo, ND
While the initial cost of a tankless water heater installation in Fargo, ND may be higher than a traditional tank, the long-term energy savings and longer lifespan often make it a more cost-effective solution. We provide detailed estimates, outlining the benefits and potential rebates, to help you make an informed decision for your home. Our installations are designed for top efficiency, putting money back in your pocket.
Rinnai Tankless Water Heater Installation in Fargo, ND
Rinnai tankless water heaters are a top choice for their reliability and long lifespan, making them a smart investment for homeowners across Fargo, ND. Our plumbers are factory-trained on Rinnai systems, ensuring a clean installation that follows all manufacturer specifications. We make sure gas line sizing, venting and water connections are correct so your Rinnai unit provides endless hot water efficiently for years.
Propane Tankless Water Heater Installation in Fargo
Many homes outside natural gas service areas depend on propane. HPN Plumbing is experienced in installing propane tankless water heaters, which require specific gas line sizing, regulator adjustments and venting. We make sure your propane system is installed correctly for the best efficiency and safety, providing reliable hot water for your Fargo residence.
Navien Tankless Water Heater Installation in Fargo
Navien is a leading brand known for its advanced condensing technology and strong energy efficiency. HPN Plumbing is skilled in the precise installation of Navien units in Fargo homes, setting them up for the best savings and comfort. These sophisticated systems require expert setup to work at their best, and our team is proficient in all Navien models.
Recirculation Systems for Tankless Heaters in Fargo
Tankless heaters can take a few extra seconds to deliver hot water to distant fixtures. A recirculation pump or dedicated return line keeps hot water close to faucets, cutting wait time and water waste. Some units have built-in pumps with smart scheduling. We design the system to suit your plumbing layout and usage patterns.

Rinnai, Navien and Noritz Installation in Fargo, ND
We install leading tankless brands including Rinnai, Navien, Noritz and Rheem. Rinnai offers a wide model range and strong parts support, while Navien condensing units often include built-in recirculation pumps. Noritz is known for durable commercial-grade heat exchangers. We help you compare models based on flow rate, efficiency and warranty.
Nearby Tankless Water Heater Installation in Fargo, ND
When you search for 'tankless water heater installation near me' in Fargo, ND, HPN Plumbing is your dependable local choice. We know the local plumbing and building codes thoroughly, so every installation is done right the first time.
If you are searching for tankless water heater installation near me, our local team can visit, measure and give you a firm quote. We check your gas meter, line size and venting options during the same visit. Many installs are scheduled in just a few days.
HPN Plumbing at a Glance
- Fully licensed plumbing team covering Fargo, ND
- Same-day appointments and 24/7 emergency response
- Upfront, flat-rate pricing before work begins
- 4.9-star rated by 408+ North Dakota customers
Fargo Map
Fargo Information
- Population
- 133,188
- Area codes
- 701/402/218
- Service area
- Fargo and communities within 40 miles
- Nearby
- West Fargo, Horace, Wahpeton, Valley City
Incoming water temperature shapes how a tankless unit performs in Fargo, ND, and hard water makes careful installation with descaling valves essential for a long service life.
Expert Services
Trust our professionals for reliable HPN Plumbing solutions in Fargo, ND.
Our Specialized Plumbing Services in Fargo, ND
At HPN Plumbing, we provide a complete range of plumbing services across Fargo, ND. 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 Process Works in Fargo, ND
Here is how we take your tankless project from the first call to hot water at the tap.
Request a Quote
Call (701) 403-1348 to schedule a site visit. We assess your fixtures, gas supply and venting options, then give you a detailed quote.
Install and Upgrade
We remove your old heater, upsize gas lines if needed and mount the new unit. Venting, water connections and isolation valves are installed to manufacturer specs.
Test and Train
We fire the unit, check gas pressure and test hot water at several fixtures. Then we show you how to flush the system and register your warranty.
Frequently Asked Questions About Tankless Water Heater Installation in Fargo
Most gas tankless installations cost $3,000 to $6,500 including the unit, labor, venting and common gas line upgrades. Electric units can be less, though panel upgrades can add $1,000 to $3,000.
Most tankless water heaters come with a manufacturer's warranty of 10 to 15 years on the heat exchanger and 3 to 5 years on parts. HPN Plumbing also provides a warranty on our installation labor, which we will detail in your service agreement.
To maintain efficiency and extend the lifespan of your tankless unit, annual flushing to remove mineral buildup is recommended, especially in areas with hard water. Checking and cleaning the air filter (for gas models) and inspecting connections are also part of routine maintenance. HPN Plumbing offers complete maintenance services.
Tankless units eliminate standby heat loss, which can reduce water heating energy use. Savings vary based on household size and usage habits.
We install Rinnai, Navien, Noritz and Rheem tankless water heaters. Each brand offers different features, efficiency levels and warranties.
A standard tankless water heater installation, replacing an existing tank, usually takes 4 to 8 hours. If extensive plumbing or gas line changes are required, it may take a full day. Our team works efficiently to restore your hot water as quickly as possible.
With annual descaling, tankless units often last 15 to 20 years. Skipping maintenance in hard water areas can shorten that considerably.
We install leading tankless water heater brands known for their reliability and efficiency, including Rinnai, Navien, Noritz and Rheem. Our plumbers are trained and experienced with the specific requirements of each manufacturer to ensure strong performance.
What People Are Saying About Our Plumbing Experts?

Mark T.
When our office needed drain cleaning, HPN Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Wahpeton, ND
James P.
Our commercial plumbing system had a leak under the sink, and HPN Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Fargo, ND
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 · Jamestown, ND
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 · Jamestown, ND
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 · West Fargo, ND
Patricia H.
We had a slab leak that two other companies could not find. HPN Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · West Fargo, ND













