A traditional tank water heater usually lasts 8 to 12 years, and an annually maintained unit can push closer to 15. A modern tankless system, with annual descaling and filter service, often runs 18 to 20 years. Hard Chicagoland water shortens both lifespans, which is one reason maintenance matters here.
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Common Issues With Tankless Water Heaters
Tankless water heaters are smart home solutions and operate differently from traditional water heaters. Instead of storing water, the tankless design heats and filters hot water on demand, ensuring residents never run out of hot water.
Much like your other systems and appliances, tankless water heaters will still need proper maintenance and repairs over time.
If you notice any of these common tankless water heater issues in your Chicago home, it’s time to call Precision Today.
Water quality issues: You notice a change in water quality, including discoloration, odors, or unusual taste.
Unit error message: Tankless water heaters indicate there’s a problem by displaying an error message on the unit’s panel.
Inconsistencies: There may be an issue to address if you notice inconsistent hot water pressure or temperatures.
Faulty unit: Aging units or components can cause unusual sounds during operation, which warrant a repair call.
EXPERT REPAIR
Expert Tankless Water Heater Repair
Don’t trust your tankless water heater repairs to just anyone. Call Precision Today’s team of licensed, trained, and insured plumbers who specialize in quick troubleshooting and swiftly repairing tankless water heater systems.
Whether your unit needs a small replacement component or it’s time for a new system upgrade, repairs, replacements, and installations are a breeze with Precision Today.
Expect professional and reliable tankless water heater repairs that include:
Fast response and same-day service: We prioritize getting a technician to you quickly, often on the same day you call.-
Notification prior to technician arrival: You’ll receive a heads-up before our technician shows up, so you always know when to expect us.
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Transparent troubleshooting and estimating before work begins: We diagnose the issue and provide a clear estimate upfront, so there are no surprises before work starts.
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Expert service of a variety of brands and models: Our technicians are trained and equipped to service a wide range of brands and models.
Skip the DIY. Incorrect plumbing repairs can void warranties, fail inspections, and cause far more damage than the original problem. Call a certified Precision Today plumber instead.
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FAQ
Common questions about Tankless Water Heater Repair
How long does a water heater typically last?
What is the typical water heater replacement cost in Chicagoland?
Water heater replacement cost depends on tank vs. tankless, fuel type, BTU capacity, and any venting or gas-line upgrades the install requires. Precision Today provides written upfront pricing before any work begins, with financing options available for larger installs. The cheapest replacement is rarely the cheapest one to own ten years later, and we will walk you through the math on the in-home estimate.
Are tankless water heaters worth it for Chicago homes?
For many Chicago homes, yes. Tankless units deliver endless hot water, take up less space, and run at higher efficiency than tank models. The trade-off is a higher install cost and the need for proper gas-line sizing and venting. Tankless makes the most sense in homes with consistent hot water demand, limited mechanical room, or a desire to extend hot water capacity for additions.
What size water heater do I need for my home?
Tank sizing is driven by bedrooms, peak demand, and recovery rate; tankless sizing is driven by flow rate (gallons per minute) at the temperature rise your incoming water requires. Your Precision Today plumber will calculate both during the in-home estimate so the new unit actually fits the way your household uses hot water.
Do your water heater services come with a guarantee?
Yes. Every water heater service call is backed by our Precisely Right or We Pay You guarantee. If an issue we repair is not fixed correctly, we will make it right or pay up to $500. Ask your plumber for complete terms and details.
Do you serve Chicago suburbs and outlying communities?
Yes. We serve homeowners across Chicago from our Carol Stream, Oak Brook, Franklin Park, Palos Heights, and Grayslake offices. If you are not sure whether we cover your address, give us a call and we will let you know right away.
What are the primary benefits of installing a tankless water heater in my Chicago home?
Tankless water heaters take up less space and offer other benefits, including improved energy efficiency, endless availability of hot water, and less maintenance than traditional units.
Are tankless water heater repairs expensive?
Not necessarily. Many repairs — such as replacing a sensor or flushing mineral buildup — are fairly straightforward. Delaying service can make problems worse.
How do I know when it's time to replace my tankless water heater?
If you’ve had the unit for over 15 years, are experiencing repeated repairs, or notice reduced efficiency, these are signs it may be time for an upgrade.
Can I replace my storage tank water heater with a tankless model?
Yes. Our team can evaluate your plumbing system and recommend the best tankless solution for your home layout and water usage.
Why does my tankless water heater keep shutting off?
This is often caused by overheating, scale buildup, or a dirty filter. It could also be improper venting or gas supply problems.
Do tankless water heaters provide enough hot water?
Yes. Tankless water heaters come in various sizes to accommodate your home’s hot water needs, providing on-demand hot water that won’t run out.
How long do tankless water heaters last?
A well-maintained tankless water heater can last 15 to 20 years, compared to a traditional water heater’s average of 10 years or less.
How often should I flush my tankless water heater?
In most cases, once a year — especially in areas with hard water like Chicago. This prevents mineral scale buildup.
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