
Tankless Water Heaters in Cape Elizabeth, Maine
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Tankless Water Heaters for Cape Elizabeth Homeowners

Need tankless water heaters in Cape Elizabeth? Aces Highlands runs out of 508 Riverside St Unit 1 in Portland and covers Cumberland County routinely, which means a technician who already understands the area's homes and permit process shows up, not a stranger learning it on the job.
Tankless water heaters heat water on demand, providing endless hot water while saving space and energy. Aces Highlands installs propane and electric tankless systems properly sized for your household needs.
A tankless water heater heats water only when you need it, eliminating the standby energy loss of keeping a tank of water hot around the clock. This can reduce your water heating costs by 24-34% depending on your usage.
We install tankless units from trusted brands and ensure proper gas line sizing, venting, and water flow for optimal performance. Electric tankless models may require an electrical panel upgrade to support the higher amperage draw. Not every home is a good candidate for tankless — we evaluate your situation honestly and recommend the best option.
Tankless water heaters last 20+ years with proper maintenance, compared to 10-12 years for tank models. While the upfront cost is higher, the longer lifespan and energy savings make tankless a smart long-term investment for many homeowners. We offer financing to help spread the cost over time.
Why Cape Elizabeth Calls Aces Highlands
- Close enough to Cape Elizabeth for a fast response, local enough to know the town
- Diagnostics come first, upsells do not — the invoice matches the quote
- Fast turnaround — we get most jobs booked within days, not weeks
- Properly licensed and covered by insurance — neighbors in Cape Elizabeth leave us reviews on Google
Cape Elizabeth Homes and What They Need
Cape Elizabeth's housing is markedly older than Falmouth's or Cumberland's. Census estimates put the median home at 1967, about two-thirds of homes were built before 1980, and nearly one in five predates 1940, in neighborhoods such as Cape Cottage and Delano Park near Fort Williams. Building has slowed sharply: only about 4 percent of homes date from 2010 or later. Roughly nine in ten are single-family detached houses. Close to half of all homes date from 1940 to 1979, across areas like Pond Cove, Shore Acres and Oakhurst, which means original branch-circuit wiring, two-prong outlets, ungrounded circuits and early panels are still common, often extended piecemeal by later owners. Before adding heat pumps, an induction range or a finished basement to one of these houses, it is worth having the older wiring inspected and brought up to date.
Water Supply and Drains in Cape Elizabeth
The Portland Water District provides both water and sewer service in Cape Elizabeth, but the sewer is split in two. Wastewater from the northern neighborhoods is pumped to South Portland for treatment, while the southern Cape and the Town Center drain to a district-owned plant on Spurwink Avenue, built in 1987 and served by 11 pump stations. Earlier town sewer policies left many parcels on septic systems, and while sewer has been extended since the mid-1990s, some homes still have septic tanks and leach fields, sometimes on shallow soil over ledge. In older neighborhoods, cast-iron and clay laterals of the same age as the houses are prone to root intrusion, cracking and settling, and backups often trace to the pipe between the house and the street. A camera inspection before a sewer line repair shows whether a spot fix or a full lateral replacement makes sense.

Getting to Know Cape Elizabeth
Cape Elizabeth is home to Portland Head Light, completed in 1791 — the first lighthouse finished by the young United States government, commissioned during George Washington's presidency, and still Maine's oldest lighthouse. The town also produced Joan Benoit Samuelson, who won the first-ever women's Olympic marathon in 1984 and founded the TD Beach to Beacon 10K, which finishes at the lighthouse each summer.
Between Fort Williams and the open Atlantic, Cape Elizabeth homes take the full force of coastal wind and salt air — conditions we plan for in every outdoor equipment installation here.
Local & Independent — Not a Franchise
There is no franchise behind Aces Highlands — just a Portland-based crew that works Cape Elizabeth under its own name. Our techs are paid to do the job right, not to upsell — no commission structure pushes them toward extra work. We do the work you called us for, do it right, and earn the next call. That is the whole business model.
How a Tankless Water Heater Works
- Flow sensor — detects water flow and triggers ignition
- Burner — fires on demand, no standby tank
- Heat exchanger — heats the water as it passes through
- Hot water out — instantly, only when it's needed
- Compact — mounts on the wall, saves floor space
Homeowner Guide
Tankless Water Heaters: Sizing by Flow Rate, Not Gallons
A tankless water heater is sized completely differently from a tank, and misunderstanding that is the most common reason a homeowner ends up disappointed with one.
Read the Full GuideMore Water Heaters
Tankless Water Heaters is part of our full water heaters lineup. Explore the details or browse everything we offer in Cape Elizabeth.
Tankless Water Heaters DetailsAll Services in Cape ElizabethService Info
Service Area
Cape Elizabeth, Cumberland County, ME
Phone
(207) 670-8616Hours
Open 24 hours, 7 days a week
Codes & Permits for Tankless Water Heaters in Cape Elizabeth
In Cape Elizabeth, plumbing permits come from the Local Plumbing Inspector at the Cape Elizabeth Code Enforcement Office (320 Ocean House Road, Cape Elizabeth, ME 04107-0060, 207-799-1619). With 9,535 residents, Cape Elizabeth is required to enforce the Maine Uniform Building and Energy Code (MUBEC). Cape Elizabeth is a coastal peninsula town with 31.23 sq mi of water area versus 14.70 sq mi of land, including two islands (Ram Island and the 226-acre Richmond Island) — salt-air/coastal exposure is a relevant factor for equipment materials and corrosion (Wikipedia: Cape Elizabeth, Maine).
- A propane or natural gas-fired water heater installation or connection requires a Maine Fuel Board Propane and Natural Gas Technician license. mainelegislature.org
- 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
- 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 Tankless Water Heaters in Cape Elizabeth
- Portland Water District covers most of Cape Elizabeth (Sebago Lake) — homes still on a private well get the well and pressure tank looked at as part of the same visit.
- The swap is permitted through the Cape Elizabeth Code Enforcement Office, the relief valve gets a proper gravity discharge line, and any gas connection is made under our Maine Fuel Board license.
A public shoreline park on Cape Elizabeth's southeastern point, near the historic Two Lights.
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.
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.
Malina Foss
3 months ago
I can not recommend Sam and his team enough!! In a world of slow response times and cut corners they went above and beyond in every area, installing a new electrical panel for me. Their attention to detail and love of their craft truly sets them apart from the rest!
Steve Robertson
3 months ago
Where to begin? These guys hooked up a sauna for me and did an amazing job, it was not a small job. Projects big or small, these guys are my go to. Responsive, reasonably priced, and professional. In a world where it is tough to get good service, I'm thrilled to have these guys in my phone.
Tankless Water Heaters FAQs
Does a tankless water heater really provide endless hot water?
Yes, within its flow capacity. A properly sized unit will run a shower indefinitely without going cold. The limit is simultaneous use — run three showers and a dishwasher at once and you can exceed its flow rate. That is why honest sizing for your household matters more than the brand.
How much does tankless water heater installation cost?
Nationally, installed costs typically run $2,500-$5,500 depending on fuel type, venting, and whether gas lines need upsizing — higher than a tank swap. The offset is a 20+ year lifespan and lower operating costs. We quote your exact price in writing before any work begins.
How long do tankless water heaters last?
Twenty years or more with annual descaling and basic care — roughly twice the life of a tank water heater. The heat exchanger is the key component, and keeping it free of scale is what gets you the full lifespan.
Does Maine’s cold groundwater affect tankless performance?
Yes, and it is the most important local factor. Winter inlet water in Maine can be 30+ degrees colder than in southern states, which reduces a unit’s effective flow rate. We size for Maine winter conditions so your system performs in January, not just on paper.
Will you talk me out of tankless if it is wrong for my home?
Yes — and we do it regularly. As a local company with no sales commissions, we have no reason to push the more expensive option. If your usage, fuel situation, or budget points to a quality tank heater instead, that is exactly what we will recommend.
More Services in Cape Elizabeth
Aces Highlands handles HVAC, plumbing, and electrical for Cape Elizabeth homeowners. Here is more of what we do nearby.
Water Heater Repair in Cape Elizabeth
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EV Charger Installation in Cape ElizabethTankless Water Heaters in Nearby Towns
Need Tankless Water Heaters in Cape Elizabeth?
Call our Cape Elizabeth team or get a free quote. We will get you scheduled and take care of it right the first time.
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