Tankless Water Heater Installation & Repair
$49
Tankless Water Heater Repair Diagnostic
Diagnostic fee waived if we do the work.
Next Day Service Guarantee
Reliable Tankless Water Heater Installation and Repair in North Central Washington
Tankless water heater installation and repair covers two jobs: setting up an on-demand unit that heats water as you use it, and fixing one that no longer delivers steady hot water. In North Central Washington, a good installation starts with sizing the unit for cold winter water. The gas line and venting also need to support the new unit, which matters most in older homes. When a unit acts up, A&N Plumbing finds what’s actually causing the problem, such as scale buildup or a worn part, so the repair lasts.
What Are the Signs Your Tankless Water Heater Needs Repair or Replacement?
The most common signs are water that runs hot and then cold, an error code on the display, weak hot water flow, leaks, unusual sounds, and a unit that shuts itself off. Most of these develop gradually, and catching them early often keeps a small repair from turning into a full replacement.
Water Runs Hot, Then Cold
A short burst of cool water when you turn the tap back on is normal for many tankless units. Temperature that swings during a shower, or hot water that never fully arrives, is a different story. It typically points to a sizing issue, a sensor problem, or scale buildup inside the unit.
An Error Code on the Display
Most tankless water heaters show a code on the front panel when something isn’t working right. Codes vary by brand and often relate to ignition, airflow, or overheating. A technician can use the code as a starting point to track down the real problem.
The Unit Shuts Itself Off
A tankless unit that turns off in the middle of use is usually responding to a safety sensor. The cause can be as simple as a clogged inlet filter or as involved as a venting or gas supply problem. That’s why a proper evaluation matters before any parts are replaced.
Weak Hot Water Flow
Hot water that comes out at lower pressure than cold water often means minerals have built up inside the heat exchanger. That buildup restricts flow and makes the unit work harder over time. Regular flushing or a water softener can help slow it down.
Leaking Around the Unit
Tankless water heaters tend to leak less than tank models, but loose fittings, worn valves, or a damaged heat exchanger can still let water escape. Even a small drip near the unit is worth having checked, since moisture can affect nearby components over time.
Rumbling, Clicking, or Whistling Sounds
A healthy tankless unit runs fairly quietly. Rumbling often points to scale, while repeated clicking without the burner lighting can signal an ignition issue that typically needs professional attention.
Frequent Repairs on an Older Unit
Many tankless water heaters last 15 to 20 years or more with regular maintenance. When an older unit needs repairs more often or can’t keep up with your household, replacement is often the more practical long-term choice. If you’re also weighing a traditional tank, our team can explain the pros and cons of each.
What Do Tankless Water Heater Installation and Repair Services Include?
Tankless water heater services cover three main areas: installing a new unit, repairing one that isn’t working correctly, and maintaining it so it lasts. Each starts with a look at the full system, since the unit, the gas or electrical supply, and the venting all work together.
Tankless Water Heater Installation
A tankless water heater installation includes sizing the unit, mounting it on the wall, and connecting the water, gas or electrical, and venting. Sizing depends on how much hot water your household uses at once and how cold the incoming water gets in winter. In this region, winter water is often colder than many manufacturer charts assume. Older homes usually need a few upgrades as well. The existing gas line is often too small for a tankless unit, and the old tank’s metal vent typically can’t be reused.
Tankless Water Heater Repair
Tankless repair starts with figuring out what’s behind the problem, often using the unit’s error code as a guide. Common repairs include cleaning a clogged inlet filter, replacing a worn igniter or sensor, fixing leaks at fittings and valves, and removing scale from the heat exchanger. Once the problem is clear, you’ll know whether a repair makes sense or whether the unit is near the end of its life.
Tankless Water Heater Maintenance
Most manufacturers recommend flushing a tankless water heater at least once a year to clear mineral buildup from the heat exchanger. Homes with harder water may need it more often, and a water filtration system or softener can help extend the time between flushes.
Is a Tankless Water Heater Better Than a Tank Water Heater?
A tankless water heater is often the better long-term choice for homes that want steady hot water, lower energy use, and a longer-lasting unit, while a tank water heater typically costs less upfront. The right fit depends on your household’s hot water use, your budget, and what your home can support.
| Factor | Tankless Water Heater | Tank Water Heater |
|---|---|---|
| Lifespan | 15 to 20+ years | 10 to 15 years |
| Hot water supply | Heats water on demand, so it doesn’t run out | Limited to what the tank holds |
| Energy use | Heats water only when you use it | Keeps a full tank hot around the clock |
| Space | Compact and mounted on the wall | Takes up floor space |
| Upfront cost | Higher, especially when converting from a tank | Lower |
| Maintenance | Flushing at least once a year | Flushing and anode rod checks |
According to the U.S. Department of Energy, tankless units can be 24% to 34% more energy efficient than tanks in homes that use a moderate amount of hot water each day. A tank may still make more sense for homes with a tight budget, or for homes where the gas line and venting upgrades would add significant cost. If you’re weighing both options, our team also handles hot water tank installation and repair and can help you compare them for your home.
How Much Does Tankless Water Heater Installation and Repair Cost?
Tankless water heater installation typically costs about $1,400 to $5,500. Most repairs fall between $150 and $1,300, depending on the unit and what your home needs. A&N Plumbing’s $49 diagnostic is waived if we do the work, and you’ll get a clear estimate before any work begins.
Several factors affect the final cost:
Unit type and size: Gas and electric units are priced differently, and larger units built for higher hot water demand cost more.
Converting from a tank: Switching from a tank often means adding new venting, a condensate drain, and updated water connections, which adds labor.
Gas line upgrades: Many tankless units need a larger gas line than an older tank used, and gas line work is a common added cost in older homes.
Electrical needs: Gas units need a standard outlet nearby, while electric units may require a panel upgrade to handle the load.
Installation location: Tight spaces, long vent runs, or moving the unit to a new spot can add time to the job.
Type of repair: Cleaning a filter or replacing a sensor costs far less than replacing a heat exchanger, and the unit’s age and warranty also play a role.
Thinking About Switching to Tankless?
Our team will check your gas line, venting, and available space, then recommend a unit sized for your home and your hot water needs.
Why Do Homeowners Choose A&N Plumbing for Tankless Water Heater Service?
Homeowners choose A&N Plumbing because we evaluate the full system before recommending a repair or replacement, explain costs upfront, and schedule service quickly. The goal is a tankless water heater that works reliably for years, not a quick fix that brings you back in a few months.
A Thorough Evaluation First
Tankless problems often trace back to the gas supply, venting, or water quality rather than the unit itself. Our technicians look at how the whole system works together, so the repair or installation addresses the actual cause.
Clear, Upfront Pricing
You’ll know what the work costs before it begins. Our recommendations are based on what your home needs, not on selling the most expensive option, and we’ll explain each option so you can decide with confidence.
Family-Owned Since 2015
A&N Plumbing is a family-owned company led by Nathan, who has worked in plumbing since 2002, including years of commercial work across Washington. That experience shows in how carefully our team approaches each home.
Next-Day Service
We offer next-day service for tankless water heater repairs, with 24/7 emergency service available when hot water problems can’t wait.
Where Does A&N Plumbing Provide Tankless Water Heater Service?
A&N Plumbing provides tankless water heater installation and repair from our Wenatchee shop to homes across North Central Washington. Our service area includes Wenatchee, East Wenatchee, Sunnyslope, Cashmere, Orondo, Chelan, and surrounding communities. Not sure if you’re in our area? Call (509) 888-1933 or visit our Washington service area page to learn more.
Talk With A&N About Your Tankless Water Heater
Whether your unit needs a repair or you’re planning a new installation, our team will evaluate your system and walk you through the right next step.
What Our Customers Are Saying
Tankless Water Heater Repair Offers In Wenatchee, WA From A&N Plumbing
$49
Water Heater Repair Diagnostic
What you get from A & N Plumbing & More
- We'll come to your home
- Diagnose the problem with your tankless water heater
- Provide a comprehensive report on the problem
- Present you with personalized solutions on what to do next
- 100% satisfaction guaranteed
Diagnostic fee waived if we do the work.
Disclaimer: *Some restrictions or conditions may apply, call for details. Offer may be subject to credit approval. Must present offer at time of service. Not available to combine with other offers/promotions.
$49
Drain Clearing Diagnostic
What you get from A & N Plumbing & More:
- We'll come to your home
- Clear your drain restoring the water flow
- 100% satisfaction guaranteed
Diagnostic fee waived if we do the work.
Disclaimer: *Some restrictions or conditions may apply, call for details. Offer may be subject to credit approval. Must present offer at time of service. Not available to combine with other offers/promotions.
$49
Frozen Pipe Repair Diagnostic
What you get from A & N Plumbing & More:
- We'll come to your home
- Diagnose the origin & problem causing your frozen/burst pipes
- Provide a comprehensive report on the problem
- Present you with personalized solutions on what to do next
- 100% satisfaction guaranteed
Diagnostic fee waived if we do the work.
Disclaimer: *Some restrictions or conditions may apply, call for details. Offer may be subject to credit approval. Must present offer at time of service. Not available to combine with other offers/promotions.
Tankless Water Heater Installation and Repair FAQs
How long does a tankless water heater last?
Most tankless water heaters last 15 to 20 years or more with regular maintenance, compared with 10 to 15 years for a typical tank. Annual flushing and early repairs tend to make the biggest difference in how long a unit lasts.
Should I repair or replace my tankless water heater?
Repair usually makes sense when the unit is under 15 years old and the problem is a single part, like a sensor or igniter. Replacement is often the better choice when the repair would cost more than half the price of a new unit, or when an older unit needs repairs more and more often.
Why does my tankless water heater go cold in the shower?
A brief burst of cool water when you restart the tap is normal for many tankless units. Hot water that fades mid-shower often points to scale buildup, a failing sensor, or a unit too small for your household’s demand, especially in winter when incoming water is colder.
How often should a tankless water heater be flushed?
Most manufacturers recommend flushing a tankless water heater at least once a year. Wenatchee city water is moderately hard at about 4.5 grains per gallon, and many area wells run harder, so some homes benefit from flushing more often or adding a water softener.
Can you install a tankless water heater in an older home?
Yes, most older homes can switch to a tankless water heater with a few updates. Before installation, a plumber checks whether the gas line, venting, and electrical setup can support the new unit. Because tankless units mount on the wall, many homeowners also gain back the floor space the old tank used.
What size tankless water heater do I need?
The right size depends on how many fixtures run at once and how cold your incoming water gets. In North Central Washington, winter groundwater can drop to around 50 degrees, so units should be sized for winter conditions to keep up with showers and appliances year-round.
Is a gas or electric tankless water heater better?
Gas tankless water heaters typically deliver more hot water at once, which makes them a common choice for whole-home use. Electric units cost less to install in some homes but often need a large electrical capacity, sometimes requiring a panel upgrade to run a whole house.
Can I install or repair a tankless water heater myself?
Tankless installation and most repairs are best left to a licensed plumber. The work involves gas lines, venting, and electrical connections that affect your home’s safety and your warranty coverage. Many manufacturers require professional installation to keep the warranty valid, though simple tasks like cleaning the inlet filter can often be done at home.