
Water Heater Repair in Portland, Maine
Tank & Tankless Service · Fast Diagnostics · All Fuel Types
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Water Heater Repair for Portland Homeowners

When Portland homeowners need water heater repair, Aces Highlands is the local team to call. We are based at 508 Riverside St Unit 1 in Portland — a short drive from Portland in Cumberland County — so we respond quickly and know the homes, the weather, and the codes in your area.
No hot water is never convenient. Aces Highlands diagnoses and repairs water heater issues quickly and accurately — getting your hot water back on as fast as possible.
Common water heater problems include no hot water, inconsistent temperatures, strange noises, leaking, pilot light issues, and error codes on tankless units. Our technicians can quickly identify the problem and recommend the most cost-effective solution. If your water heater is leaking, our leak repair specialists can address any water damage at the same time.
We repair both tank and tankless water heaters from all major manufacturers. Common repairs include thermocouple replacement, heating element replacement, thermostat repair, anode rod replacement, and descaling for tankless units.
If your water heater is leaking from the tank or the cost of repair exceeds half the price of replacement, we will be honest about recommending a new unit — whether that is a traditional tank or a tankless system. We help you weigh the options without pressure.
Why Portland Calls Aces Highlands
- We run trucks through Portland and the rest of Cumberland County routinely, not occasionally
- No scare tactics — just an accurate diagnosis and a price that holds
- Fast turnaround — we get most jobs booked within days, not weeks
- Fully licensed, fully insured, and reviewed by real customers on Google
Portland Homes and What They Need
Census estimates for 2020 to 2024 put the median Portland home at 1946, and about 46 percent of the city's housing units were built before 1940. Only about a third of homes are single detached houses; roughly a third of units sit in buildings with five or more apartments, and a little over half of households rent. That mix covers peninsula walk-ups on Munjoy Hill and in the West End, larger single-family streets off the peninsula, a thin layer of postwar ranches and capes, and newer condominium buildings. In buildings this old it is common to find cast-iron or galvanized piping, hot-water or steam radiators, and original circuits that were never sized for modern kitchens or heat pumps. Work on rewiring an older Portland building usually starts with finding out what is behind the plaster.
Water Supply and Drains in Portland
Nearly every Portland address is on public water from the Portland Water District, which draws from Sebago Lake and treats it at its Standish plant with ozone and ultraviolet light; the lake's quality earned a federal filtration waiver held by only about 50 U.S. water systems. The district also treats Portland's wastewater, mostly at the East End plant. Parts of the older city still run on combined sewers, where storm runoff and sewage share one pipe, and the city has built large underground storage around Back Cove to cut overflows into Casco Bay. For a homeowner that history matters: the private lateral from the house to the street is often old clay or cast iron, prone to root intrusion and cracking, and heavy rain can expose a weak connection. A camera inspection before a sewer lateral repair shows what you are dealing with.

Getting to Know Portland
Portland has burned to the ground four times — most famously in the Great Fire of July 4, 1866, which destroyed some 1,800 buildings and left around 10,000 people homeless, the largest urban fire in American history up to that point. The city's phoenix seal and motto "Resurgam" — "I shall rise again" — capture how Portland rebuilt itself, largely in brick, giving the Old Port the Victorian streetscape it is known for today.
That rebuilding history is exactly why so much of Portland's housing stock dates to the late 1800s — and why heating, plumbing, and electrical work here often means retrofitting modern equipment into brick and timber-frame buildings never designed for it. That is the kind of work our Portland-based team does every week.
Local & Independent — Not a Franchise
There is no franchise behind Aces Highlands — just a Portland-based crew that works Portland under its own name. Every technician is paid to solve the problem in front of them, not to hit an upsell quota. That is how we keep customers calling back, one honest job at a time.
How a Tank Water Heater Works
- Cold inlet — the dip tube carries it to the tank bottom
- Burner — heats water at the bottom of the tank
- Anode rod — sacrificial rod that fights corrosion
- T&P valve — releases pressure if it builds too high
- Hot outlet — draws the hottest water from the top
Homeowner Guide
No Hot Water? Here's What We Check, in Order
"No hot water" and "not enough hot water" point at different problems, and knowing which one you have helps narrow it down before we even arrive.
Read the Full GuideMore Water Heaters
Water Heater Repair is part of our full water heaters lineup. Explore the details or browse everything we offer in Portland.
Water Heater Repair DetailsAll Services in PortlandService Info
Codes & Permits for Water Heater Repair in Portland
In Portland, plumbing permits come from the Local Plumbing Inspector at the Permitting and Inspections Department, City of Portland (389 Congress St, Room 315, Portland, ME 04101, 207-874-8703). With 68,408 residents, Portland is required to enforce the Maine Uniform Building and Energy Code (MUBEC). The Permitting & Inspections Dept. maintains Flood Insurance Rate Map (FIRM) determinations and a FEMA Flood App Viewer for flood-zone lookups, available at the Room 315 front desk.
- Maine's adopted plumbing code (2021 Uniform Plumbing Code) requires every water heater's potable-water connections and temperature/pressure relief valve to meet UPC installation requirements, including a proper gravity discharge line. up.codes
- Replacing or installing a water heater is plumbing work that falls under the town's Local Plumbing Inspector permitting and inspection process. mainelegislature.org
- Maine's 2021 energy code (IECC, part of MUBEC) requires insulation with an R-value of at least R-3 on 3/4-inch and larger hot-water piping inside conditioned space, and on recirculation piping, piping outside conditioned space, and buried piping. maine.gov
- Every Maine municipality must annually appoint at least one Local Plumbing Inspector (LPI), who does not have to live in that town, to issue plumbing permits and enforce the state's plumbing rules and Subsurface Wastewater Disposal (septic) rules locally. mainelegislature.org
How Aces Highlands Handles Water Heater Repair in Portland
- Portland Water District covers most of Portland (Sebago Lake) — homes still on a private well get the well and pressure tank looked at as part of the same visit.
- Northern Utilities, d/b/a Unitil reaches parts of Portland, so a gas water heater is an option on those streets; propane, electric and heat-pump models work anywhere in town.
- We permit the replacement at the Permitting and Inspections Department, City of Portland, route the T&P relief valve to a code-compliant discharge, and handle gas hookups under our Fuel Board license.
Portland City Hall's granite facade and columned entrance, seen from Congress Street.
Street View © Google
Why homeowners choose Aces Highlands
We show up when we say
We show up on time, as promised, and complete the work with clean professionalism.
Pricing upfront, before work starts
Honest diagnostics and a clear price before any work begins — no surprises on the invoice.
Done right the first time
HVAC, plumbing and electrical done right the first time — backed by our workmanship guarantee and 100% satisfaction guarantee.
Locally owned in Portland, Maine · Serving Greater Portland and Southern Maine since 2019
What Water Heaters customers say
Nichole A
a year ago
Highly recommend! Cannot thank them enough for fixing my water heater. Elijah is very reliable and communicative. No hassle, no phone tag, transparent with cost and quick to repair the issue. I know who to call if I need help again!
Ruth Kirkwood
3 months ago
This company is excellent. They quickly and efficiently repaired the kitchen faucet that was loose.
Tom
14 Aug 2024
He was very friendly. He gave me an honest explanation on why I shouldn't recharge my A/C unit and what he suggested made much more sense. He really took care of everything. He is very professional, always called me with updates. 5 stars is not enough — I give this company 10 stars.
Jacqueline Vogeley
2 weeks ago
Great experience! Open, honest and efficient 🙌🏽 Job well done
Susan Donegan
3 months ago
We have called Samuel for our electrical needs over the last few years and have always been impressed with professional and courteous attitude — installing extra outlets, installing new lights and ceiling fans, our whole house generator, charger for the electric car, even the hot tub!!! His price was fair, and never disappointed when work was completed.
Amanda R
2 months ago
I've had an excellent experience working with them for both electrical and HVAC work as I remodel my 1785 home. I highly recommend them.
Water Heater Repair FAQs
Why do I suddenly have no hot water?
On electric units it is most often a tripped breaker, failed heating element, or the high-limit switch; on gas units, a pilot or ignition problem or a failed thermocouple; on tankless units, an error code from scale buildup or a flow sensor. Most of these are quick, affordable repairs.
My water heater is leaking — can it be fixed?
It depends where the water is coming from. Leaks at valves, fittings, or element gaskets are usually repairable. Water seeping from the tank body itself means the inner tank has corroded through, and replacement is the only fix. We will show you exactly which one you have.
Why does my pilot light keep going out?
The most common cause is a worn thermocouple — the safety sensor that holds the gas valve open — which is an inexpensive replacement. Draft problems, a dirty pilot orifice, or a failing gas control valve can also be responsible. It is a fast diagnosis for our technicians.
Why is my hot water rusty or smelly?
Rusty hot water usually means the anode rod is spent and the tank has begun corroding inside; a rotten-egg smell is typically bacteria reacting with the anode rod. An anode replacement and flush often solves it — but rust from an older tank can signal it is nearing the end.
Do you service tankless water heaters too?
Yes — we diagnose error codes, descale heat exchangers, replace flow sensors and igniters, and service all major tankless brands, whether or not we installed the unit.
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Aces Highlands handles HVAC, plumbing, and electrical for Portland homeowners. Here is more of what we do nearby.
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Generator Installation in PortlandNeed Water Heater Repair in Portland?
Call our Portland team or get a free quote. We will get you scheduled and take care of it right the first time.
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