
AC Installation in Falmouth, Maine
Heat Pump & Ductless Cooling · Right-Sized for Your Home · Quiet, Efficient Systems
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- Since 2019
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AC Installation for Falmouth Homeowners

Falmouth sits in Cumberland County, part of the territory Aces Highlands covers out of 508 Riverside St Unit 1 in Portland every week — so a call for ac installation gets a technician who already knows the local housing and codes, not a first-timer.
Maine summers are getting warmer, and a properly sized air conditioning system keeps your home comfortable through every heat wave. Aces Highlands installs high-efficiency cooling — from whole-home heat pumps to single-room ductless units — sized and installed right the first time.
For most Southern Maine homes, the smartest way to add air conditioning is a cold-climate heat pump: it cools efficiently in summer and heats your home the rest of the year, all from one system. We are certified GE and Hitachi installers and work with every major brand to match your home and budget.
If you only need to cool a few rooms — a bedroom, a finished attic, an addition, or a home office — a ductless mini-split delivers targeted, zone-by-zone cooling without any ductwork. Every install begins with a proper load calculation so your system is sized correctly: an oversized AC short-cycles and leaves humidity behind, while an undersized one never keeps up on the hottest days.
Our cooling installations include indoor and outdoor unit placement, refrigerant line routing, electrical connections, and full performance testing. Many systems require an electrical panel upgrade to support the new load — we handle that in-house as a licensed Maine electrical contractor. Ask about our financing options to make your AC installation more affordable.
Why Falmouth Calls Aces Highlands
- We run trucks through Falmouth and the rest of Cumberland County routinely, not occasionally
- You get the real problem and a firm number, not a pitch for extras
- Fast turnaround — we get most jobs booked within days, not weeks
- Fully licensed, fully insured, and reviewed by real customers on Google
Falmouth Homes and What They Need
Falmouth's housing is younger than most of Greater Portland. Census estimates put the median home here at 1986, and roughly 14 percent of homes have been built since 2010, many of them in newer subdivisions. The older layer is still real: about 14 percent of homes predate 1940 and about four in ten predate 1980, from Falmouth Foreside along Route 88 to West Falmouth Corner and Highland Lake. Around 80 percent of homes are single-family detached houses, and most are owner-occupied. In practice that means two very different kinds of job in one town: a newer colonial with PEX, a mechanical room and room for ductwork, and a Foreside house with copper or galvanized supply lines, tired shutoff valves and pinhole leaks that need tracing behind finished walls.
Heating and Cooling in Falmouth
Falmouth heats with a wider mix than most Maine towns. Census estimates show fuel oil or kerosene in roughly 43 percent of occupied homes, bottled propane in about 21 percent, utility natural gas in about 19 percent, electricity in about 11 percent and wood in about 5 percent. Gas is available because both Unitil and Summit Natural Gas of Maine run mains in town; Summit built into Falmouth, Cumberland and Yarmouth after the three towns chose it through a joint request for proposals, beginning in 2013. Homes near the bay see slightly milder nights than those out toward West Falmouth and Blackstrap, but both need equipment sized for a real Maine January. For many owners the choice is whether to keep an oil or propane boiler as backup or move most of the load to a cold-climate heat pump system, which also adds cooling.

Getting to Know Falmouth
The original town of Falmouth once encompassed what are now Portland, South Portland, Westbrook, and Cape Elizabeth — those communities were all carved out of it over time. Just offshore, Mackworth Island was Governor Percival Baxter's family retreat before he deeded it to the State of Maine in 1943; today it is famous for the "fairy houses" visitors build in its woods and for Baxter's stone-walled memorial to his Irish Setters.
Modern Falmouth is known for well-kept homes with high-end finishes — the kind of properties where clean line-set routing, tidy penetrations, and spotless job sites matter. That is how we work.
Local & Independent — Not a Franchise
We are an independent, Portland-based company, not a franchise chain routing your Falmouth job to a call center. Technicians are not on commission, so the recommendation you get is the one your house actually needs. That is how we keep customers calling back, one honest job at a time.
How Central Air Conditioning Works
- Condenser — outside, rejects heat picked up indoors
- Compressor — pressurizes the refrigerant gas
- Evaporator coil — at the furnace, absorbs heat from indoor air
- Blower — pushes air across the cold coil
- Cool air — delivered through the ducts
Homeowner Guide
Central AC Installation: What to Know Before You Buy
Air conditioning used to be optional in Maine. Between hotter, more humid summers and homes built tighter for heating efficiency, it's become close to standard — but it's worth understanding what you're actually buying.
Read the Full GuideMore Heat Pumps & Mini-Splits
AC Installation is part of our full heat pumps & mini-splits lineup. Explore the details or browse everything we offer in Falmouth.
AC Installation DetailsAll Services in FalmouthService Info
Codes & Permits for AC Installation in Falmouth
In Falmouth, plumbing permits come from the Local Plumbing Inspector at the Falmouth Code Enforcement Division (271 Falmouth Road, Falmouth, ME 04105, 207-699-5310). With 12,444 residents, Falmouth is required to enforce the Maine Uniform Building and Energy Code (MUBEC). Falmouth borders Casco Bay and the Gulf of Maine, with 6.96 of its 36.34 square miles being water (Wikipedia).
- Efficiency Maine offers rebates of up to $9,000 on qualifying heat pumps, but the equipment must be installed by an Efficiency Maine Residential Registered Vendor for the homeowner to receive the rebate. efficiencymaine.com
- Anyone who connects or disconnects gauges or adds/removes refrigerant on a heat pump or air conditioner must hold EPA Section 608 technician certification; the credential does not expire once earned. epa.gov
- The electrical circuit that feeds a new heat pump or AC condenser needs an electrical permit, issued by the Electricians' Examining Board or the town's own electrical inspector, before the wiring is installed or altered. maine.gov
How Aces Highlands Handles AC Installation in Falmouth
- With heating oil the leading fuel in Falmouth (about 43% of homes), most AC installation jobs here are an add-on to an existing system rather than a full replacement — we walk you through both paths.
- We pull the electrical permit for the new circuit before touching the outdoor unit, and refrigerant handling stays inside EPA Section 608 the whole job.
- Efficiency Maine rebates only pay out when a Residential Registered Vendor did the install, so we confirm eligibility with you up front — you can check any installer's registration yourself before signing anything.
The town's public library near Falmouth Village, off Route 1.
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
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.
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.
AC Installation FAQs
How much does AC installation cost in Maine?
A single-zone ductless system — the most common way to add cooling to a Maine home — typically runs $4,000–$6,000 installed. Whole-home multi-zone heat pump systems cost more. Because these systems also heat, Efficiency Maine rebates on qualifying models often apply.
Is a heat pump or central air better for cooling?
For most Maine homes, a ductless heat pump wins: no ductwork required, higher efficiency, and it heats in winter as well as cools in summer. Central air only tends to make sense if your home already has good ductwork from a forced-air furnace.
Will a mini-split dehumidify my house?
Yes — properly sized, a mini-split removes humidity as it cools, and most models also have a dedicated dry mode for muggy days that are not especially hot. Oversized systems dehumidify poorly, which is why we size from a load calculation.
How long does AC installation take?
Single-zone installations are typically completed in one day. Multi-zone or whole-home systems take two to three days, plus any electrical panel work, which our licensed electricians handle within the same project.
Do I need an electrical upgrade to add AC?
Sometimes. Each outdoor unit needs a dedicated circuit, and older 100-amp panels may not have the capacity. We are a licensed Maine electrical contractor as well as an HVAC company, so we evaluate your panel during the estimate and handle any upgrade in-house.
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Aces Highlands handles HVAC, plumbing, and electrical for Falmouth homeowners. Here is more of what we do nearby.
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Furnace Installation in FalmouthNeed AC Installation in Falmouth?
Call our Falmouth team or get a free quote. We will get you scheduled and take care of it right the first time.
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