Hero Home Services dispatches a licensed plumber the same day, 7 days a week, for most calls. After-hours emergency service is available with 24/7 phone answering.
Need Emergency Service?
We’re available 24/7 for Heating, Cooling, Plumbing, Drain, Duct & Electrical emergencies.
(612) 405-7366COMMON SIGNS
Signs Your Tankless Water Heater Needs Repair
Schedule tankless water heater repair with Hero Home Services if you notice any of the following:
Error codes on the display
Cold or lukewarm water at the tap
Hot water that cuts in and out
Visible leaks at the unit
Unit failing to ignite or locking out repeatedly
Unusual noises during operation
Freeze damage after a cold snap
THE HERO DIFFERENCE
Why You Need a Licensed Plumber for Tankless Water Heater Repair
Tankless systems combine gas lines, pressurized hot water, onboard electronics, and venting that needs to handle combustion gases safely. Improper repair can void the manufacturer’s warranty, fail a city inspection, or create combustion safety issues. A licensed Hero plumber does the work the right way the first time.
Trusted Twin Cities plumbing company since 1914- Master plumber license PC150002 in Bloomington and TLIC#24130 in Little Canada
- Same-day service available 7 days a week
- Background-checked, drug-tested, in-house-trained technicians
- Flat-rate pricing in writing before any work begins
- Backed by the Hero Guarantee: Exact Price, Fixed Right the First Time, Clean House, and Experts You Can Trust
FAQ
Common Questions About Tankless Water Heater Repair
How quickly can Hero respond to a tankless water heater issue?
How much does tankless water heater repair cost in Minneapolis?
Repair costs vary depending on the issue, parts needed, and the condition of the unit. Every repair is quoted flat-rate in writing before any work begins.
When does it make more sense to replace than repair?
Repair is usually the right call when the unit is under 10 years old and the issue is isolated. Replacement starts to make more financial sense once the heat exchanger is failing, the unit has passed 12 years, or a single repair quote runs close to a third of the cost of a new system. Your Hero plumber lays out both options in writing so you can decide.
What does an error code on my tankless unit actually mean?
Error codes vary by brand, but most trace back to ignition issues, flow problems, scale buildup, venting restrictions, or sensor faults. A Hero plumber reads the code, diagnoses the underlying cause, and, in most cases, completes the repair during the same visit.
Why is my tankless water heater leaking?
Leaks typically come from the inlet or outlet connections, condensate trap, pressure relief valve, or internal components. A licensed Hero plumber can locate the leak and quote the repair in writing during your visit.
Which tankless brands does Hero repair?
Hero Home Services repairs most major tankless water heater brands.
What financing options are available for a full tankless replacement?
Hero Home Services offers plumbing financing through Service Finance Company, LLC. Qualified buyers can take advantage of 0% APR options on full system replacements.
Where in the Twin Cities does Hero offer tankless water heater repair?
Hero Home Services covers Minneapolis, St. Paul, Bloomington, Rochester, Owatonna, and the surrounding communities, dispatching from two offices in Bloomington and Little Canada.
Join the Hero Happy Home Club
The Happy Home Club is the easiest way to stay ahead of home plumbing service costs and everything else your home needs. Benefits include:
- Scheduled annual plumbing inspection
- Priority booking when call volume is high
- No dispatch fees, ever
- 10% off plumbing repairs and installs
RELATED SERVICES
More Plumbing Services from Hero Home Services
Water Heater Installation
Kitchen Plumbing Repair
Gas Line Installation
Frozen Pipe Repair
A major water leak is the obvious sign of a burst pipe — but a few more subtle clues can tip you off before things get that far.
Gas Line Repair
Your gas line quietly supports both your heating and plumbing systems, so when it breaks down, the ripple effects can reach much further than you’d expect.
Kitchen Plumbing Installation
Kitchen and bathroom plumbing rarely gets the glamour of a renovation project, but it’s doing essential work behind the scenes every single day.
Plumbing Repair
Your home only runs smoothly when its plumbing does, too. The moment something’s off, getting a professional to look at it is worth doing sooner rather than later.
Repiping
When a home’s hot and cold water pipes need to be fully removed and replaced, that’s a repiping job — and Hero Home Services’ technicians have the expertise to do it safely.
Water Line Repair
A working water line can still be a struggling one. Catching the telltale signs early — before a full break — can save you from a disaster that’s both messy and expensive.
Sump Pump Installation
Sump pumps work quietly below your home’s lowest level, collecting water and pushing it back outside — a simple system that keeps many homes safe from flooding.
Sump Pump Repair
A sump pump that suddenly stops working has a way of causing instant panic — and for good reason, since it’s a key line of defense against home damage.
Tankless Water Heater Maintenance
A tankless water heater is engineered to last 15 to 20 years, and that lifespan comes down to one thing: a clean heat exchanger.
Tankless Water Heater Repair
Tankless water heaters need repairs less often than traditional models, but they’re not immune. When something’s off, it’s best to address it the moment you notice a sign.
Water Heater Maintenance
Your water heater does more work than most homeowners realize, which is exactly why regular maintenance matters for keeping your whole plumbing system running smoothly.
Water Heater Repair
Hot water touches nearly everything you do at home, which is exactly why a water heater breakdown is never convenient — and rarely something to wait on.
Water Line Installation
Nearly every function in your home relies on one thing: the water main line bringing in clean, fresh water. It’s arguably the most vital piece of your plumbing system.
Water Softener Repair
A water softener’s job is simple: strip out the calcium and magnesium that create hard water. Without it, hard water can cause all kinds of issues throughout your plumbing system.
Water Filtration Installation
Thinking about a water filtration system but not sure it’s the right time? There’s no wrong time — Hero Home Services is ready to install one whenever you decide to make the move.
Tankless Water Heater Installation
One of the main benefits of a tankless water heater is that they do have a longer lifespan than most other models of water heaters. However, eventually the time does come to replace your tankless water heater.
Water Softener Installation
The water softener for your home provides a vital function to the functionality of your home and the comfort it provides to its occupants. Without your water softener operating in tip-top condition, your home will feel the effects of hard water.
