Southern Maine's Family-Owned Heat Pump Specialists

Gorham, ME
Heat Pump Services in Bath, Maine
Serving Bath & Sagadahoc County

Heat Pump Services
in Bath, Maine

"The City of Ships" has the oldest housing stock in our entire service area, and its Kennebec River location and historic downtown call for heat pump installs that respect both the architecture and the tides.

Southern Maine Heat Pumps proudly serves homeowners and businesses throughout Bath and Sagadahoc County. "The City of Ships" has the oldest housing stock in our entire service area, and its Kennebec River location and historic downtown call for heat pump installs that respect both the architecture and the tides. From downtown Bath, the Bath Iron Works waterfront, North Bath to the surrounding area, we design and install cold-climate systems from Mitsubishi, Daikin, and Samsung that are rated to operate efficiently down to -13°F. Our most requested service in Bath is heat pump installation, the single highest-value upgrade for comfort and energy savings.

Because we are based just down the road in Gorham, Bath residents count on us for responsive service and honest advice. We install ductless mini-splits for homes without ductwork, handle replacements and upgrades of aging equipment, and guide you through every Efficiency Maine rebate available. Ready to lower your energy bills? Call (207) 317-1077 or request a free in-home consultation.

Bath Heat Pumps: Older Homes, Oil Heat

Southern Maine Heat Pumps installs and services cold-climate heat pump systems throughout Bath, Sagadahoc County, from downtown Bath, the Bath Iron Works waterfront, and North Bath to the rest of town. Bath's roughly 8,815 residents (Census Bureau American Community Survey, 2020-2024) rely on a heating mix that still leans heavily on delivered fuel and electricity rather than piped gas in most cases.

Housing here skews old: 57.5% of homes predate 1940 and 66.5% predate 1960, per the Census Bureau's American Community Survey (2020-2024). Pre-war construction usually means original wiring and plumbing that a heat pump project has to work around rather than assume.

Fuel oil/kerosene leads the way at 46.7% of occupied homes, with bottled/tank gas next at 19.9%. Maine Natural Gas (a Unitil company) runs gas mains into parts of Bath, though most homes still heat another way.

Like the rest of Maine outside Aroostook County, Bath sits in IECC climate zone 6, which is the reference point we design to rather than a milder national average — equipment gets sized for sustained cold, not just a typical afternoon.

One local detail worth knowing: The City of Bath keeps its own Electrical Inspector, who must sign off on every circuit before it is concealed or energized. Central Maine Power (CMP) is the electric utility here.

Bath's permitting contact for this work is City of Bath Code Enforcement Office; current requirements are posted at https://www.cityofbathmaine.gov/Departments/Code-Enforcement, and we confirm them before scheduling anything that touches a circuit or a wall. Across a town of roughly 8,815 people stretching from downtown Bath and the Bath Iron Works waterfront to the rest of Bath, panel capacity and wiring age vary enough that every estimate starts with a look at the real house, not a phone quote.

Whether the question is a first heat pump installation, a ductless retrofit for a room addition, or something else entirely, we start every Bath conversation with a free in-home look at the actual house.

From our base in Gorham, our family-owned team installs and services Mitsubishi, Daikin and Samsung systems across Sagadahoc County, and as an Efficiency Maine Residential Registered Vendor we handle the rebate paperwork for you. See our full services in Bath for the complete list of what we install and repair in town.

Sources: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates; Efficiency Maine, Residential Heat Pump Rebate brochure (6/24/2026); Maine Electricians’ Examining Board, electrical permit rules; City of Bath Code Enforcement Office; Bath, Maine (Wikipedia).

Bath at a Glance

1938
Median home built
66.5%
Built before 1960
8,815
Population (ACS)

Mostly pre-1940 housing

Primary heating fuel (ACS 2020-2024)

Fuel oil/kerosene
46.7%
Bottled/tank gas
19.9%
Electricity
19.5%
Piped natural gas: Maine Natural Gas (a Unitil company)

Oil is still the #1 heat source in Bath — the clearest signal that a heat pump conversion beats the cost of another winter of deliveries.

Heat pump installation in Bath, Maine

Why Bath Residents Choose Southern Maine Heat Pumps

Bath homeowners trust us because we understand the local climate and housing, from downtown Bath to the Bath Iron Works waterfront. We size every system correctly and install it to manufacturer spec for years of dependable comfort.

Family-owned with 30+ years of combined experience, we deliver clean installations, transparent pricing, and full Efficiency Maine rebate assistance on every Bath project.

Schedule Your Free Consultation

Our Heat Pump Services in Bath

Expert installation, replacement, and ductless solutions tailored to Bath homes.

Getting to Know Bath

Bath was incorporated in 1781 and chartered as a city in 1847, and Bath Iron Works — founded in 1884 by Thomas W. Hyde — has built Navy vessels on the Kennebec ever since, earning the city its "City of Ships" nickname. Roughly 5,000 vessels have been built in Bath since 1743, including the Wyoming, considered the largest wooden ship ever constructed.

More than 57% of Bath's homes predate 1940, by far the oldest housing stock of any town we serve, concentrated in a historic district where exterior changes go through Planning Board review. Fuel oil, propane and electricity split the heating mix fairly evenly here, and the city's own Electrical Inspector must sign off on every new circuit — including a heat pump's — before it goes into service.

Complete Heat Pump Solutions

Beyond installation, we offer a full range of services for Bath homes and businesses.

Google reviews

What Our Customers Say

Here's what homeowners across Southern Maine say about the work.

“Nate did a nice, professional job cleaning and servicing our heat pump. We recommend and will use them again.”

Justin Spear

August 2026

“I had neglected annual service out of fear that it would cost a fortune but when I called to make the appointment, they let me know what was included in service and the cost- amazing! I appreciated that they were willing to service the system even though they did not do the installation.”

Ben Winkler

April 2026

“I contacted Southern Maine Heat Pumps to service my two units. The technicians who came out to service our heat pumps did an outstanding job. They were very thorough and helpful. They did a way better job than what I have experienced before with other maintenance services.”

Matt Heer

March 2026

“The technician arrived right on time, diagnosed the issue quickly, and had both of my heat pumps running smoothly in no time. They explained everything clearly and didn’t try to upsell unnecessary services — just honest, quality work. The price was fair, and the customer service was exceptional.”

Sarah McKay

November 2025

“I was being serviced by another local company as I had a crack in my Daikin Drip Pan. The previous company came out 3 times and finally diagnosed it. They ordered the part and then never showed up again even though the part was under warranty. I found Southern Maine on a google search and gave them a call. Sam called my back immediately.”

Big Pappa

August 2025

“Steve and Nate do an amazing job. I have been using this company for 5 years for heat pump cleaning, highly recommended.”

Sandra McKinney

November 2025

We Also Serve Nearby Communities

Southern Maine Heat Pumps serves Bath and the surrounding towns of Sagadahoc County and beyond.

Ready to Get Started in Bath?

Schedule your free in-home consultation today. Our team will visit your Bath home, assess your heating and cooling needs, recommend the perfect heat pump system, and walk you through all available Efficiency Maine rebates and financing options.

Call us directly at (207) 317-1077 or fill out the form to request your free estimate.

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