Water Heater Repair

Water Heater Repair in Portland, ME

Electric, Gas, Tankless & Heat Pump Units Serviced Across Southern Maine

Losing hot water stops a household fast. We repair electric, gas, hybrid heat pump, and tankless water heaters for homeowners and businesses throughout Portland, Maine and southern Maine. Before we recommend any work, we diagnose whether the problem is a failing part, a water quality issue, or both. That distinction matters: replacing a part without addressing the underlying cause often means the same failure returns.

Call us at (207) 865-8165 to schedule a water heater repair in Portland, ME. Free consultations are available if you aren’t sure where to start.

Water Heater Problems We Diagnose & Fix

Many water heater issues can be repaired without replacing the whole unit. We regularly diagnose and fix the following:

No hot water or not enough hot water
Water that’s too hot or inconsistent in temperature
Rumbling or popping noises from sediment buildup inside the tank
Rusty or discolored hot water indicating internal corrosion
Water pooling around the base of the unit
A pilot light or burner that won’t stay lit on gas units
A tripped heating element or breaker on electric units
Leaking valves or fittings, including the pressure relief valve

A Water-Systems Approach, Not Just a Parts Swap

Our founder, Thomas Marcisso, is a licensed Merchant Marine engineer who spent years managing potable water systems on oil platforms and commercial vessels, including service as Chief Engineer on the F/V Wizard from Deadliest Catch. That background shapes how we approach every repair call: we look at the whole water system, not just the visible symptom.

Because FONTUS provides water testing, filtration, and treatment services alongside water heater repair, our technicians can evaluate incoming water quality during the same visit. Elevated iron, heavy minerals, or hard water accelerating anode rod corrosion get caught on the spot rather than discovered after the next failure. Our clients consistently describe the team as professional, thorough, and clear about what was found, what was done, and why.

Water Heater Maintenance That Extends Unit Life

Routine maintenance prevents the failures we most commonly see. Here’s what we recommend for keeping your unit running efficiently year after year.

Annual Tank Flushing

Sediment accumulates at the bottom of tank water heaters over time, reducing heating efficiency and causing the rumbling or popping sounds homeowners often notice first. Flushing the tank once a year clears that buildup before it shortens the unit’s lifespan.

Anode Rod Inspection

The anode rod is a sacrificial metal rod inside the tank designed to corrode in place of the tank walls. We recommend inspecting it every two to three years and replacing it when it’s heavily depleted. In Portland-area homes with hard water or high iron content from private wells, depletion can happen faster than the manufacturer’s general timeline suggests.

Pressure Relief Valve Testing

The pressure relief valve is a critical safety component that should be tested at least every six months to confirm it opens and closes properly. A valve that won’t release pressure or won’t reseat needs to be replaced, not serviced.

Thermostat Setting

We recommend setting the thermostat at 120 degrees Fahrenheit. That temperature balances safety against scalding, energy efficiency, and adequate hot water supply for most households.

Tankless Descaling

Tankless water heaters are more sensitive to mineral scale than tank units because the heat exchanger operates at higher temperatures in a compact space. Annual descaling, or per the manufacturer’s recommendation, keeps flow rates strong and protects the exchanger from premature failure.

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Our Customers Love Us

Read Our Raving Reviews!

"WE HIGHLY RECOMMEND USING FONTUS FOR YOUR WATER TREATMENT NEEDS"
We recently hired Fontus to install a water treatment system in our home in Kennebunk. Everyone we dealt with was extremely professional and courteous. They were prompt and very responsive. Their installers were great! Adam Griffin and his assistant, Peter did a fantastic job. We highly recommend using Fontus for your water treatment needs!

- Dan H.
"FONTUS REALLY IS THE BEST!"
Fontus really is the best! Communicative, on-time, do the work well, cleanly, and run you through functionality when completed.

- Joseph B.
Really appreciated that they took on our problems as their own and helped us out when we really needed it.

- Aaron M.
Highly recommend their company for any water service needs! Adam really knew his stuff. Wish we had FONTUS working with us from the start.

- Kimberly C.
I was impressed he could be there so quickly! He had our problem resolved very quickly! I couldn’t be more happy with them!!!

- Jenelle D.
Amazing install team!! Highly recommend Fontus! From the on-site review of our water system and all the issues to the recommendations, price and Install team

- Cynthia B.
From the initial call to the assessment & installation, they were top-notch - prompt, professional & courteous.

- Donna R.
I 100% recommend Fontus. Work was explained clearly, with no pressure sales tactics, and super quick installation.

- Bennet W.

Repair or Replace: How to Make the Right Call

If a unit is relatively new and the problem is an isolated component such as a heating element, thermostat, thermocouple, or pressure relief valve, repair is usually the better value. A leaking tank body is the exception: that can’t be repaired and requires replacement. A commonly used guideline is that if a water heater is over 10 years old and the repair cost approaches half the price of a new unit, replacement is typically the more cost-effective choice. Efficiency Maine offers a mail-in rebate on qualifying ENERGY STAR-certified heat pump water heaters, which may make replacement more attractive when a unit is already nearing the end of its service life. We inspect the unit and give you a straight repair-or-replace answer before any work begins.

What to Expect When You Call FONTUS

We respond promptly. Clients regularly note that the time from first call to completed repair is fast, and we don’t start replacing parts before we understand what actually failed. Every visit begins with a thorough diagnosis, including a check for water quality factors that may be contributing to the problem. Most repairs involving a single failed component, such as a heating element, thermocouple, or pressure relief valve, can be completed in one visit. When the work is done, we explain what part failed, what was replaced or corrected, and what to watch for going forward. In Maine, water heater installation and replacement work generally requires a licensed plumber, and all permitted work is handled in compliance with those requirements.

Schedule Water Heater Repair in Portland, Maine

We serve Portland, ME and communities throughout southern Maine. Whether your unit has stopped producing hot water or you’re hearing sounds you weren’t hearing last month, we’re ready to help. Free consultations are available if you aren’t sure where to start.

Call FONTUS at (207) 865-8165 to schedule your repair. We can diagnose the problem, give you a clear answer, and help restore your hot water.

Why Portland-Area Water Heaters Fail Early

Hard water and elevated mineral or iron content are common throughout Portland, Maine, particularly in homes on private wells. Over time, minerals drop out of solution inside a hot water tank and settle as sediment and scale on the tank floor and heating elements. That layer forces the heating element or burner to work harder, raises energy costs, and can shorten the unit’s lifespan before the manufacturer’s expected service life.

Iron in well water compounds the problem by accelerating anode rod corrosion. When the anode rod depletes faster than expected, the tank walls become vulnerable to rust from the inside, often showing up first as discolored hot water. Municipal water in Portland introduces its own variables: chlorine used in treatment can affect taste and interact with older plumbing materials, while seasonal shifts in water chemistry influence mineral saturation. We understand Portland’s municipal water infrastructure and the environmental factors affecting private well water across southern Maine, which is why we evaluate water quality on repair calls rather than treating each visit as an isolated parts job.

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