Water Heater Installation & Replacement

Water Heater Installation & Replacement in Portland, ME

Water Treatment Experience Behind Every Water Heater We Install

Whether your water heater has failed, you’re upgrading to a more efficient model, or you’re adding hot water to a new build, the type you choose and how it’s installed affects how long it may last and how well it performs. FONTUS installs a full range of water heaters for homes and businesses throughout Portland and southern Maine: electric, gas (direct vent, atmospheric vent, and power vent), heat pump and hybrid, and tankless.

What sets us apart from a standard plumbing call is our background in water treatment. Hard water and sediment buildup are among the leading causes of premature water heater failure, and Portland, ME area water conditions can make this a real factor for many homes. Because we test and treat water as our core business, we bring that knowledge directly to the installation decision. Our founder, Thomas Marcisso, is a licensed Merchant Marine engineer who managed potable water systems on oil platforms and commercial vessels, including serving as Chief Engineer on the F/V Wizard. That hands-on engineering experience shapes how we approach every installation.

Call us today at (207) 865-8165 to get started with a free consultation for water heater installation or replacement in Portland, ME.

Choosing the Right Water Heater

The right water heater depends on your fuel source, available space, venting configuration, household size, and daily hot water demand. We walk you through the options honestly so you aren’t paying for more capacity than you need or choosing a type that won’t work with your home’s existing setup.

We install and service every major type of residential water heater. Explore the options below to find the right fit for your home:

Signs Your Water Heater Needs Replacement

Not every problem means it’s time for a new unit, but some conditions signal that repair is no longer the right call. Tank water heaters typically last 8 to 12 years; tankless units can last 20 years or more. A unit over a decade old with recurring problems is often a better replacement candidate than a repair candidate.

Watch for these warning signs:

Rumbling, popping, or banging from the tank: These noises indicate sediment buildup on the heating element. Hard water accelerates this condition, reducing efficiency well before the unit fails completely.
Rusty or discolored hot water when cold water runs clear: This points to internal tank corrosion. A corroding tank can’t be repaired and typically requires replacement.
Water pooling at the base of the unit: Any sign of leaking at the tank itself is a replacement indicator, not a repair scenario.
Inconsistent temperatures or hot water that runs out faster than usual: These symptoms suggest a component failure or a unit that’s no longer meeting your household’s demand.

Repair makes sense for units under 8 to 10 years old with a single diagnosable failure. Replacement may be the better investment when repair costs approach half the price of a new unit, or when the tank itself is leaking or corroded.

Why Water Heater Installation in Maine Requires a Licensed Professional

Maine state law (Title 32, §3302) requires a license for any individual performing plumbing installations, which means internal plumbing permits for water heater work must be pulled by a licensed master plumber. Maine has adopted the Uniform Plumbing Code as its statewide standard rather than the International Plumbing Code, and individual municipalities may set requirements stricter than the state minimum.

Proper permitting isn’t a formality. It can help maintain your manufacturer’s warranty, support the installation’s ability to pass inspection, and help avoid complications with homeowners insurance coverage. Unpermitted work can complicate a future home sale and may affect warranty claims.

Water heater installation involves gas connections, electrical wiring, water supply lines, venting systems, and pressure relief valve installation. Each of those has specific code requirements and safety implications that require professional training and experience to get right.

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Contact FONTUS Today

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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.

What a Proper Water Heater Installation Includes

A water heater is only as reliable as the installation behind it. Every job we complete includes sizing verification matched to your household’s actual hot water demand, not just a like-for-like swap of the old unit’s capacity. We ensure all supply and discharge connections are secure, the temperature and pressure (T&P) relief valve is correctly installed and tested as required under Maine plumbing code, and gas venting is configured properly for the unit type.

Venting deserves specific attention on gas installations. Atmospheric, direct vent, and power vent units each have distinct venting requirements, and incorrect venting can create carbon monoxide risk while potentially voiding manufacturer warranties. A straightforward tank-to-tank replacement typically takes 2 to 4 hours. Switching fuel type, relocating the unit, or converting to tankless requires additional work for gas line, venting, or electrical modifications, and we walk you through what that means for your project before any work begins.

Why Portland, ME Homeowners Choose FONTUS

Because FONTUS started as a water treatment company, we bring knowledge that most installers don’t have: a direct understanding of how Portland area water quality affects a water heater. Hard water accelerates sediment buildup and corrosion, reducing efficiency and shortening equipment life. We factor that in at the selection stage, not after the fact. When water treatment is part of the solution, we can pair an appropriate water softener or filtration system with the new heater to help protect the investment long term.

Our founder, Thomas Marcisso, has a background as a licensed Merchant Marine engineer managing water systems on oil platforms and commercial vessels, which means technical precision is built into how we work. Our clients consistently tell us they appreciate clear explanations of how their systems work, careful installation, and support that doesn’t end when we leave the job site. We offer proactive maintenance plans and ongoing service so your water heater and your water quality can stay in good shape for years to come.

Schedule Your Water Heater Installation in Portland, ME

Whether you’re dealing with a failed unit or planning ahead, we’re ready to help you find the right water heater and install it correctly. Free consultations are available for homeowners and businesses throughout Portland and southern Maine.

Call FONTUS at (207) 865-8165 to schedule your free consultation and get started with a quote today.

Water Heater Maintenance & Longevity in Portland, ME

How long a water heater lasts depends significantly on how well it’s maintained and what’s in your water. Homes with high mineral content or untreated hard water put more strain on a water heater’s internal components, which is why maintenance frequency in Portland area homes may need to be higher than national averages suggest.

Key maintenance practices that can support longer equipment life:

Annual tank flushing: Removes sediment from the tank floor. In homes with hard water or elevated mineral content, more frequent flushing may be warranted to prevent buildup on the heating element.
Anode rod inspection every 2 to 3 years: The anode rod is a sacrificial component that protects the tank from corrosion. In hard water conditions, it depletes faster and should be checked and replaced on a shorter schedule.
T&P relief valve testing every six months: Briefly lifting the lever confirms the primary safety device is functional. A valve that doesn’t release or won’t reseat after testing should be replaced promptly.
Thermostat set to 120°F: This can help prevent scalding and reduce standby energy consumption without sacrificing adequate hot water supply.
Annual descaling for tankless units: Mineral buildup inside a tankless heater restricts water flow and reduces heat transfer efficiency. Descaling per manufacturer guidance can help keep performance consistent.

We test for the parameters that directly affect water heater performance, including iron, manganese, hardness, TDS, pH, alkalinity, salinity, and copper. If your water is working against your equipment, pairing a water softener or filtration system with your heater can reduce the mineral load that causes scale and internal corrosion over time. FONTUS provides ongoing maintenance support after installation, so you have a resource when questions come up or conditions change.

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