
Radiant Floor Heating in Bath, Maine
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Radiant Floor Heating for Bath Homeowners

Bath sits in Sagadahoc County, part of the territory Aces Highlands covers out of 508 Riverside St Unit 1 in Portland every week — so a call for radiant floor heating gets a technician who already knows the local housing and codes, not a first-timer.
Radiant floor heating delivers warm, even comfort from the ground up — no drafts, no noise, and no dust blowing through ducts. Aces Highlands installs hydronic radiant floor systems for new construction and renovations.
Hydronic radiant floor heating works by circulating warm water through PEX tubing installed beneath your floors. The heat radiates evenly across the floor surface, warming the room from the bottom up for consistent, draft-free comfort.
We install radiant systems in concrete slabs, under wood subfloors, and in staple-up configurations. Each system is designed with proper tube spacing, zone controls, and manifold sizing to ensure even heat distribution throughout your home. A new high-efficiency boiler is the ideal companion for a radiant floor system.
Radiant floor heating pairs perfectly with high-efficiency boilers and can also work with heat pump water heaters for an all-electric solution. We design each system based on your home, your floors, and your heating goals. Reach out for a consultation on radiant floor heating for your home.
Why Bath Calls Aces Highlands
- Close enough to Bath for a fast response, local enough to know the town
- No scare tactics — just an accurate diagnosis and a price that holds
- Booking stays quick because we do not overbook the schedule
- Fully licensed, fully insured, with a track record of Google reviews from real jobs
Bath Homes and What They Need
Bath has the oldest housing stock among the Sagadahoc towns Aces serves, with a median build year of 1938 and 57.5 percent of homes dating before 1940 (66.5 percent before 1960). That history traces straight back to the city's shipbuilding boom, and it means downtown and the surrounding historic district carry plenty of original wiring and cast-iron plumbing. Exterior changes in the historic district need Planning Board review under the city's Land Use Code, so a heat pump installation here often starts with figuring out where the outdoor unit can go.
Heating and Cooling in Bath
About 47 percent of Bath households heat mainly with fuel oil, with bottled or tank propane at 20 percent and electricity at nearly 20 percent, and the city sits within Maine Natural Gas's service territory. With so much of the housing stock this old, a boiler repair call is just as likely to turn up a decades-old cast-iron boiler as a newer high-efficiency unit.

Getting to Know Bath
Bath was incorporated as a town in 1781 and chartered as a city in 1847, named after Bath, Somerset, England. Since 1743, roughly 5,000 vessels have been built along its Kennebec River waterfront, including the Wyoming, widely considered the largest wooden ship ever built, launched from the Percy & Small Shipyard.
Bath Iron Works, founded in 1884 by Thomas W. Hyde, has built hundreds of Navy vessels and given the city its 'City of Ships' nickname, one that still fits given how much of the local economy still runs through the shipyard. The Abenaki called the river itself 'Sagadahoc,' meaning the mouth of the big river, which is also where Sagadahoc County gets its name.
Local & Independent — Not a Franchise
Aces Highlands is independently owned and based in greater Portland, with no franchise territory map dictating how Bath gets treated. Our techs are paid to do the job right, not to upsell — no commission structure pushes them toward extra work. Earning the next call, not hitting a sales target, is the entire business plan.
How Radiant Floor Heat Works
- Boiler — heats water for the loop
- Manifold — splits and balances flow to each loop
- PEX tubing — embedded in the floor slab
- Radiant floor — warms the slab evenly
- Heat rises — gently warms the room above
Homeowner Guide
Radiant Floor Heat: Installation, Manifolds & Troubleshooting
Radiant floor heat is one of the most comfortable systems we install, and one of the least understood — most homeowners have never seen the manifold that makes the whole thing work.
Read the Full GuideMore Boilers & Hydronic Heating
Radiant Floor Heating is part of our full boilers & hydronic heating lineup. Explore the details or browse everything we offer in Bath.
Radiant Floor Heating DetailsAll Services in BathService Info
Codes & Permits for Radiant Floor Heating in Bath
In Bath, plumbing permits come from the Local Plumbing Inspector at the City of Bath Code Enforcement Office (55 Front St., Bath, ME 04530, (207) 443-8330). With 8,815 residents, Bath is required to enforce the Maine Uniform Building and Energy Code (MUBEC). Home to Bath Iron Works, a major shipyard that has built Navy vessels since 1884, giving Bath its "City of Ships" nickname.
- State law requires a carbon monoxide detector in each area within or giving access to a bedroom wherever a fuel-burning heating appliance like a boiler serves a covered dwelling. mainelegislature.org
- Installing or servicing an oil-fired boiler in Maine requires a Maine Fuel Board Oil Burner Technician license (Apprentice, Journeyman, or Master), and apprentices must work under a licensed technician. maine.gov
- The Maine Fuel Board's rules for oil-burning equipment incorporate NFPA 31, the national fire-safety standard covering installation, venting, and chimney-flue sizing for oil-fired appliances like boilers. maine.gov
How Aces Highlands Handles Radiant Floor Heating in Bath
- Where Maine Natural Gas (MNG), a Unitil company serves the street in Bath, gas equipment is usually the simplest radiant floor heating option; elsewhere we quote oil, propane and heat-pump alternatives side by side.
- With 47% of Bath on heating oil, most radiant floor heating calls here follow NFPA 31 (oil), NFPA 54/58 (gas/propane) or NFPA 211 (venting), depending on what's already installed.
- We don't close out a radiant floor heating without confirming CO detectors are installed near sleeping areas, which Maine requires wherever the heat comes from burning fuel.
The 19th-century commercial downtown of Bath along the Kennebec River, near the city long known for shipbuilding at Bath Iron Works.
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 HVAC customers say
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.
John Walton
5 months ago
I've had three HVAC issues over the past two years. Each time I call, Elija or the office picks up the phone, and my problem is fixed in 24 hrs. Their solutions always feel correct and honest. I cannot recommend them more.
Adam Ayan
10 months ago
Elijah and Highlands Heating & AC were super helpful! Boiler failed over the weekend and Elijah was very responsive and helpful, getting us up and running right away. I would recommend him at HH&AC highly!
Justin Funk
a year ago
We highly recommend Highlands Heating & AC. They are extremely responsive, knowledgeable and do great work. Our boiler stopped working and Elijah was quick to respond after hours on a Friday. He installed a new boiler and heat pump hot water heater.
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.
Radiant Floor Heating FAQs
Does radiant floor heating work under wood and tile floors?
Yes. Tile and stone are the best conductors and feel warmest; engineered wood and many hardwoods work well when water temperatures are designed for them; even carpet can work with the right pad. We design the tube layout and water temperature around your specific floor covering.
Can radiant floors heat my whole house?
Yes — with a properly done heat-loss calculation and design, hydronic radiant can be the sole heat source for a Maine home. In retrofits, many homeowners run radiant in key rooms and keep baseboard or a heat pump elsewhere, all off the same boiler with separate zones.
Is radiant floor heating efficient?
Very. Radiant runs low water temperatures that let condensing boilers operate at peak efficiency, distributes heat without duct losses, and keeps warmth at occupant level — so most homes feel comfortable at a lower thermostat setting than with forced air.
Can you add radiant heat to an existing room?
Often yes. If the subfloor is accessible from below (an unfinished basement under a kitchen, for example), staple-up radiant installs without disturbing the finished floor. Bathrooms and kitchens being remodeled are the other classic opportunity.
How long does a radiant floor system last?
The PEX tubing itself is typically rated for 50+ years — it generally outlives the boiler feeding it. The system has no moving parts in the floor; circulators and controls at the boiler are the only components that ever need service.
More Services in Bath
Aces Highlands handles HVAC, plumbing, and electrical for Bath homeowners. Here is more of what we do nearby.
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Drain Cleaning in BathNeed Radiant Floor Heating in Bath?
Call our Bath team or get a free quote. We will get you scheduled and take care of it right the first time.
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