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Tankless Water Heater Repair & Installation
in Lynnwood, WA

over 4587 reviews

    Still putting up with that clunky old water heater eating up precious space in your Lynnwood home? Time to join the on-demand revolution! Whether you’re tired of running out of hot water mid-shower or looking to slash those sky-high energy bills in our Pacific Northwest winters, Gene Johnson has your ticket to endless hot water heaven. Our certified Lynnwood plumbers make converting to tankless technology a breeze, bringing modern comfort to homes from Martha Lake to Alderwood Manor.

    You deserve to feel comfortable in your own home, and our experienced team treats every installation and repair with the same level of urgency so you can get back to your routine. We show up quickly, handle everything from minor fixes to full system upgrades, and leave you with reliable, energy-efficient hot water for years to come.

    Ready to upgrade your hot water game? Call the Gene Johnson crew at (206) 792-7495 today!

    Tankless Water Heater

    $500 Off

    Outdoor Waterline Replacement

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    Bathroom Refresh – Buy 3 Fixtures, Get the 4th FREE

    Upgrade your bathroom’s look and feel. Replace any three fixtures (faucet, toilet or showerhead) and get the fourth one absolutely FREE. Fresh style, better performance and more savings!

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    Tankless Water Heater Instant Rebate

    Upgrade to endless hot water and energy efficiency. Get $250 off your new tankless water heater installation and enjoy free maintenance for the first year, all in one unbeatable offer!

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    No Payments for 12 Months

    Enjoy a new high-efficiency HVAC system without the upfront cost. Call today and start saving on energy instead of your comfort.

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    Fast fix Guarantee

    Book today and we aren’t able to get out within 24 hours your dispatch fee is waived.

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    Free Second Opinion

    Have a quote that’s just not sitting right? Don’t just settle! Let us come out and take a look at no extra cost to you.

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    We fix or YOU DON’T PAY

    Your dispatch fee goes toward the cost of repairs or replacement and if we can’t solve the problem, we waive it completely. Call today for risk-free service!

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      What are the Most Common Tankless Water Heater Problems in Lynnwood Homes?

      Let’s get real – while tankless water heaters are absolute champions at delivering endless hot water, even these modern marvels can hit some bumps in the road. Here in Lynnwood, where our mineral-rich water and chilly winters create unique challenges, certain issues tend to pop up more frequently than others:

      Mineral Buildup Mayhem

      Thanks to our Northwest water composition, scale buildup is public enemy number one for tankless units. When minerals start camping out in those heat exchangers, your system’s efficiency takes a nosedive faster than our Seattle winter temperatures.

      Temperature Tango

      If your shower’s playing hot-and-cold games with you, it could be anything from incorrect gas pressure to a failing flow sensor. These temperature fluctuations aren’t just annoying – they’re a clear sign your system needs some professional attention.

      Ignition Issues

      When your unit’s playing hard to get and won’t fire up, it’s usually pointing to either a blocked vent, gas supply problems, or an ignition system that’s waving the white flag. Not exactly something you want to discover during those chilly Lynnwood mornings.

      Error Code Drama

      Modern tankless units are pretty chatty when something’s wrong, flashing error codes like they’re sending morse signals. While these codes are helpful for diagnosis, they’re basically your heater’s way of saying “Hey, call a pro!”

      System Overload

      Trying to run multiple hot water sources during peak times can overwhelm an improperly sized system. If your unit’s constantly throwing in the towel when demand spikes, it might be time to reassess your home’s hot water needs.

      The bottom line? Most of these issues are totally preventable with proper maintenance and professional installation. Don’t let these common problems turn into major headaches – regular service keeps your tankless system running like a well-oiled machine!

      Does Lynnwood’s Water Quality Affect the Lifespan of a Tankless Water Heater?

      If you’ve lived in Lynnwood for any length of time, you know our water’s got its own personality. While we’re lucky to have clean, safe drinking water, those minerals coming down from the Cascades can be rough on tankless water heaters.

      Let’s break down what’s really going on with our local water:

      The Hard Truth

      Lynnwood’s water leans toward the harder side – meaning it’s packed with calcium and magnesium. Think of these minerals like uninvited houseguests that overstay their welcome, gradually making themselves at home inside your tankless system’s components.

      Scale Problems

      You know that chalky white stuff crusting up your shower head? That’s scale buildup, and it’s doing a number on your tankless heater’s insides too. When scale takes over, you’re looking at:

      Higher energy costs (because your system’s working overtime)
      Slower heating performance
      Potential years shaved off your heater’s life

      Winter Woes

      Our chilly Lynnwood winters don’t help either. When that cold mountain water hits your system, it’s got to work extra hard to get up to temperature. Mix in some scale buildup, and your heater’s really feeling the strain.

      Fighting Back

      Here’s the upside – you’re not stuck with these problems. Regular maintenance and the right water treatment setup can keep your system running smooth. Sure, adding a water softener costs a few bucks, but it beats replacing your tankless unit years before you should have to.

      Keep up with maintenance, and your tankless heater can still hit that 20-year mark, even with our mineral-rich Lynnwood water throwing punches at it.

      Why Does My Tankless Water Heater Take So Long to Deliver Hot Water in My Lynnwood Home?

      Alright, let’s address that annoying wait for hot water that has you tapping your toes every morning. While tankless heaters are speed demons at heating water, they can’t exactly beam it Star Trek-style to your faucet. Here’s what’s really going on with that hot water delay in your Lynnwood home:

      The Cold Water Conga Line

      Here’s the reality check – that lag time isn’t actually your tankless heater being lazy. It’s simply the cold water already chilling in your pipes that needs to clear out before the hot stuff reaches your tap. In Lynnwood’s larger homes, especially those sprawling ramblers, that’s a lot of pipe to clear!

      Winter’s Extra Challenge

      During our Pacific Northwest winters, when those incoming water temperatures drop like a rock, your system needs a few extra seconds to heat that frigid water to your desired temp. Physics is physics, even for high-tech tankless units.

      Common Culprits Making It Worse:

      • Long pipe runs from heater to faucet
      • Oversized water lines
      • Poor system placement
      • Improperly sized unit for your home’s demands
      • Mineral buildup restricting flow

      The Fix-It Game Plan

      While you can’t completely eliminate that initial wait, there are some solid solutions to minimize it:

      • Installing a recirculation system
      • Strategic heater placement during installation
      • Regular maintenance to prevent flow restrictions
      • Adding point-of-use units for distant fixtures

      Bottom line: Some wait for hot water is normal, but if you’re aging years before it arrives, something’s not right. Give Gene Johnson’s Lynnwood pros a call at (206) 792-7495 – we’ll get your hot water moving at the speed your morning routine demands!

      Do I Need a Permit to Install a Tankless Water Heater in Lynnwood?

      Look, nobody loves dealing with permits, but here’s the deal – you definitely need them for tankless water heater installations in Lynnwood. Before you groan about paperwork though, understand this stuff actually matters for your family’s safety and your home’s protection.

      Breaking Down Lynnwood’s Requirements:

      The permit situation isn’t as scary as it sounds. You’ll need:

      • A basic plumbing permit
      • Mechanical permit if you’re messing with gas lines
      • Electrical permit when service upgrades are needed
      • Final inspection after everything’s done

      Why Permits Matter

      Skip the permits and you’re asking for trouble. These installations involve:

      • Gas connections that need proper safety checks
      • Electrical work that has to meet code
      • Venting that keeps nasty fumes out of your house
      • Water lines that could turn your home into a swimming pool if done wrong

      Working With Pros Makes Life Easier

      When you roll with Gene Johnson’s team:

      • We deal with all that permit headache
      • We know the local codes inside and out
      • We set up those pesky inspections
      • Everything’s done legit, start to finish

      Real Talk

      Sure, you could try flying under the radar without permits. But when that voids your warranty or tanks your home value – or worse, creates actual safety issues – those “savings” don’t look so hot anymore. Lynnwood’s inspectors take this stuff seriously.

      Skip the permit stress – let us handle the paperwork while you dream about that endless hot water. Give us a ring at (206) 792-7495 to get moving.

      What Size Tankless Water Heater Do I Need for My Lynnwood Home?

      Picking the right size tankless water heater isn’t exactly a walk in the park. Your neighbor’s unit might work perfectly for their modest needs, but that same system could leave your busy household fighting over lukewarm showers during those brutal Lynnwood winters.

      Truth is, nailing the right size goes way beyond just counting your bathrooms. Up here in the Pacific Northwest, we’re dealing with some seriously cold groundwater temperatures that your system needs to overcome. Plus, modern homes are thirstier than ever – between those rainfall shower heads, spa-style tubs, and running multiple appliances at once.

      Most Lynnwood homes need somewhere between 140,000 to 180,000 BTUs, depending on size and usage. Smaller places can get by with less, while larger homes with multiple bathrooms might need even more muscle. But throwing out numbers without understanding your specific situation is pretty much useless.

      What matters is how your family actually uses hot water. Maybe mornings are chaos with everyone rushing to shower before work and school. Or perhaps you’re planning that dream bathroom renovation with the massive soaking tub. These details make all the difference in getting the size right.

      Skip the guesswork and tap into our decades of local experience. Gene Johnson’s team knows exactly what works in Lynnwood homes. We’ll look at your real-world usage, factor in our climate, and zero in on the perfect unit that’ll keep the hot water flowing without breaking the bank.

      Can I Install a Tankless Water Heater in a Manufactured Home in Lynnwood?

      You bet your frozen toes you can! But hang on a second before you start ripping out that old tank. Manufactured homes throw some interesting curveballs when it comes to tankless installations – especially up here in Lynnwood where our winter weather doesn’t exactly play nice.

      Look, we get it – space is precious in manufactured homes, and ditching that monster tank sounds like a no-brainer. Thing is, these installations need some serious know-how. That standard gas line running to your current water heater? Probably too skinny for a tankless unit’s appetite. And don’t even get me started on the electrical requirements if you’re eyeing an electric model.

      Then there’s the whole venting situation. Manufactured homes weren’t exactly built with tankless systems in mind, so we often need to get creative. Sometimes it means cutting new holes (carefully!), other times it’s about finding sneaky routes for those vent pipes. Plus, Lynnwood’s building department has their own special rulebook for manufactured housing that we’ve got to dance with.

      But here’s why it’s worth jumping through those hoops – a properly installed tankless system in your manufactured home is like upgrading from a flip phone to a smartphone. Better efficiency, endless hot water, and no more playing storage Tetris around that big old tank.

      Just do yourself a favor and skip the DIY temptation on this one. One wrong move with gas lines or venting, and you could be looking at more than just a cold shower.

      Trust Lynnwood’s Tankless Water Heater Experts

      Look, hot water shouldn’t be complicated. Since opening our doors back in ’76, Gene Johnson has been the go-to crew for Lynnwood homeowners looking to ditch their clunky old tanks for sleek, efficient tankless systems. We’ve seen every water heater challenge this area can throw at us – from mineral-rich water to those bone-chilling winter temperatures that make lesser systems cry uncle.

      We’re not about fancy sales pitches or pushing unnecessary upgrades. Our certified pros just deliver straight talk, honest recommendations, and rock-solid installations that keep your showers hot and your energy bills in check.

      Ready to stop playing hot water roulette with that aging tank? Give us a ring at (206) 792-7495. Let’s get your home’s hot water situation sorted out the right way.

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      Service Car - Gene Johnson Heating, Cooling, Plumbing & Electrical
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      Within Your Budget

      The best plumbing, cooling, heating, and electrical services shouldn’t have to break the bank. That’s why we are happy to provide our customers with opportunities to save on their next service with us. Our current online deals are updated periodically, so there is something for everyone, whether you are a first-time customer or a long-time loyalist.

      Here are some benefits of trusting Gene Johnson with your HVAC, Plumbing, and Electrical needs.
      • Best value service in Seattle
      • Always on-time arrival
      • No mess left after a job
      • Friendly team that truly cares about your safety and comfort
      • Fixed right guarantee
      • Upfront pricing
      • Follow up calls to ensure your peace of mind
      • Range of service options- no ultimatums!

      Total reviews: 4587 | Average rating: 4.8

      5

      Armando was incredible and super kind and helpful through and through. He gave us an honest assessment of the situation with no pressure to make a decision until we could make a decision. I would 100% use gene johnson again mostly because of how great he was.

      5

      (Translated by Google) Excellent work, thank you Armando

      (Original)
      un travajo excelente gracias Armando

      5

      Jeff was very helpful and transparent the whole process. Thankful for their help and would choose them again without a doubt

      5

      Our technician arrived promptly the morning after we called, he figured out our problem in a short amount of time and then arranged to come out the next day and replace our failed pressure relief valve. We messaged our neighborhood WhatsApp group to see if others noticed increased water pressure. Hugo went above and beyond when he went to our neighbors to test their water pressures to see if they had issues. Some did. I’m sure it will lead to follow on work. He was courteous and efficient. We are happy with his work.

      5

      Great work, clear explanations, pleasant and courteous…very happy

      5

      We had Colby from Gene Johnson come out to estimate a gas line move for a kitchen remodel as well as a tankless water heater. He was professional (they wear shoe covers!), friendly and very honest about the requested services pricing and feasibility with a 100+ year old house. We haven’t chosen them for the actual work yet but most likely will given the experience. I will be sure to update my review when that happens!

      5

      Mike K was great. We’re in a new house, so Mike gave great advice on what to watch out for in a brand of toilet we’ve never used. Very friendly and walked me through all of our options to arrive at the best possible price.

      5

      Mark gave excellent service clearing my shower drain

      5

      Just a small bathroom sink job but Mark was fantastic. All is now functioning properly

      5

      Steven and Edgar were professional and timely – great communication as well. Would recommend!

      5

      Summary: Gene Johnson sent a tech (Matt Hunter) to address our home heating system, which was sending no heat at all to many rooms in the house. Our system is a wonky spaghetti mess of piping, controllers and pumps that theoretically delivers hot water to legacy cast iron radiators, new floorboard radiators, and seven in-floor hydronic loops. It has not worked as intended since we bought the house 15 years ago. It has likely *never worked right since the last house renovation 25 years go (2000), given the horrid “design” that was implemented then. Matt was the first tech ever to figure out how it all works. He repaired every failed component and problem that could be fixed, given our disastrous configuration. We are completely satisfied with Matt’s work and privately are enormously grateful that this money hole has now been tamed.

      Our house dates to 1918, so challenges in upgrading the heating plant in 2000 were a certainty. However, the zoo in our HVAC room is nearly indecipherable. I have hired one HVAC company after another over last 15 years to make sense of it, at great expense.

      Ninety percent of past techs gave incomplete explanations, proposed the replacement of a pump or controller, or the addition of a valve, and then left. Some were honest enough to simply offer a theory of how it works, while admitting they didn’t know, and then left us with a big bill.

      Enter Matt Hunt. Not sure if Matt looks the part of genius plumber, but then I’ve never seen one till now. He’s a little nerdy perhaps (like me) and also a dirt bike racer. Whatever: Matt alone successfully unraveled the mysteries of our home hot-water distribution plant. He confirmed that the entire house is controlled by two thermostats, which are, incredibly, located just 16 feet apart on the first floor. (One controls all hot water distributed on the north side of the house; one controls all hot water sent to the south side. Go figure.) Matt explained why heat often doesn’t reach the upper floors even when the system is “working” (if it’s warm on the first floor, naturally, no heat is available to the second and third floors).

      Matt discovered that the pressure in the water distribution lines was only 4PSI (target range: 13-22PSI), determined that the cause was huge amounts of air in the pipes, and the culprit was a broken refill valve. The new valve includes a pressure gauge so we can now see when the pressure in the water lines has fallen so low that the system can’t deliver hot water to the upper stories. He also spotted problems with the air eliminator, i.e. the “burping” component that normally should purge some/most of the air. He has proposed replacing that (agreed).

      Matt drained the pipes on all floors; refilled the lines; purged all zones of air; and replaced the (broken) thermal expansion tank. Heat began to flow again to all rooms. He demosnttated that heat only happens on the upper floors provided that the two first-floor thermostats that control distribution to the entire home are below target temps and are calling for heat.

      Matt mapped every radiator and hydronic zone to the main thermostat controlling it. He also determined which rooms/areas the hydronic thermostats control. (Of course, the hydronic thermostats, which are sprinkled around the house, are comic: they only perform as intended when the primary thermostats on the first floor are delivering hot water.) Matt gave us a detailed written explanation of what each component does and how it’s controlled.

      Matt did all this in less time than some prior techs took to try and ultimately give up.

      Our home heating system is a design wreck and will never deliver heat around the house reliably. However, with the fixes (and insights) mATT delivered, we now get heat when we want it with some work-arounds (like cooling down the first floor therostats). Further, we understand how to spot problems and fix the system going forward.

      Thank you, Matt!

      5

      Steven came out to troubleshoot our tankless water heater and quickly identified the issue as a clogged condensate pump. What really stood out was the time he took to explain everything in detail. He walked me through the condition of the unit, the manufacturer’s recommended lifespan, and the condensation damage and rust that had already occurred due to the blockage.

      Steven gave me honest, thoughtful guidance and helped me make an informed decision about replacing the unit, without any pressure whatsoever. He clearly explained that we could have gotten by with a descaling for now, but also helped me understand why replacing it would likely save money and headaches over the long run.

      He was patient, knowledgeable, and answered all of my questions thoroughly. I really appreciated his transparency and professionalism, and I would absolutely recommend Steven and Gene Johnson to anyone needing plumbing or tankless water heater service. Thanks!

      5

      Very knowledgeable. Mike Keane really did an awesome job. Highly recommend these guys for all your plumbing needs. Definitely going to be a life long customer.

      5

      Joseph F came for a leak we were experiencing along with his partner and was beyond helpful. We have a 4 month old and also had a contractor there at the same time. He was kind enough to entertain our little one in his swing while my husband was moving some things in the bathroom and I was talking to the contractor. So unexpected and beyond the call they came out for. Thank you!

      5

      Jaren was great to work with! he came for the drain and returned for the toilet. Ran into some issues with both but resolved them quickly. good Job!

      5

      Right on time, quickly fixed the problems, friendly

      5

      Sean Smith is a great plumber that does a great job!!! Very happy with the new set up!! He was compassionate & professional all from day 1. We greatly recommend him!!!! Thank you Sean for all that you did & staying late to get the job done. ❤️

      5

      Michael K was extremely thorough and very easy to understand when explaining our plumbing problem. I would highly highly recommend using him in the future.

      5

      Jaren replaced the kitchen faucet. He did a great job!

      5

      Michael K. did a phenomenal job helping with our plumbing issue. He was professional, courteous, and detailed in his work. He made everything very easy to understand, and worked very efficiently from start to finish. I would recommend him and Gene Johnston Plumbing to anyone looking for a reliable plumber that’s a true professional.