
AC Installation in Kittery, Maine
Heat Pump & Ductless Cooling · Right-Sized for Your Home · Quiet, Efficient Systems
- Google reviews
- Licensed & insured
- Since 2019
Efficiency Maine Registered Vendor- 100% Satisfaction Guarantee
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AC Installation for Kittery Homeowners

Kittery homeowners call Aces Highlands for ac installation because we are close by, based at 508 Riverside St Unit 1 in Portland, and out on York County roads every day — we know this area's housing, weather and permit process cold.
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 Kittery Calls Aces Highlands
- We run trucks through Kittery and the rest of York County routinely, not occasionally
- Pricing you see up front and a diagnosis you can trust — never a sales pitch
- Booking stays quick because we do not overbook the schedule
- Licensed and insured, with a track record of Google reviews from real jobs
Kittery Homes and What They Need
Kittery has the oldest housing stock of the York County coastal towns Aces serves, with a median build year of 1965 and about 25 percent of homes predating 1940 (46 percent predating 1960) -- fitting for a town that has been incorporated since 1647. On homes this old, a rewiring project often turns up several generations of electrical work layered on top of each other.
Heating and Cooling in Kittery
Fuel oil heats about 60 percent of Kittery households, the highest share of any York County town Aces studied, with bottled or tank propane at 18 percent and electricity at 13 percent; Unitil also supplies natural gas to parts of town. That heavy oil dependence makes Kittery a strong market for pairing existing systems with a heat pump.

Getting to Know Kittery
Kittery was incorporated in 1647, making it the oldest incorporated town in Maine, and sits as the state's southernmost town, across the Piscataqua River from Portsmouth, New Hampshire. The Portsmouth Naval Shipyard, established in 1800 on Kittery's Seavey's Island, was the U.S. Navy's very first federal navy yard.
During the Revolutionary War, some of the first vessels ever built for the U.S. Navy, including the USS Ranger under John Paul Jones, were constructed right on Kittery's Badger's Island -- a history that still shapes the town's identity along the water.
Local & Independent — Not a Franchise
Aces Highlands is a locally owned Portland, Maine company serving Kittery — not a national franchise. Technicians are not on commission, so the recommendation you get is the one your house actually needs. Getting invited back is the only metric that matters here.
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 Kittery.
AC Installation DetailsAll Services in KitteryService Info
Codes & Permits for AC Installation in Kittery
In Kittery, plumbing permits come from the Local Plumbing Inspector at the Kittery Code Enforcement Department (200 Rogers Road, Kittery, ME 03904, 207-475-1304). With 10,473 residents, Kittery is required to enforce the Maine Uniform Building and Energy Code (MUBEC). Kittery is a peninsula/estuary town bordered by the Piscataqua River, Spruce Creek, Spinney Creek and Chauncey Creek, with dedicated Shoreland Property Owner and Flood Hazard Permitting pages and adopted 2024 FEMA floodplain maps.
- 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
- 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
How Aces Highlands Handles AC Installation in Kittery
- With heating oil the leading fuel in Kittery (about 60% 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.
- Every outdoor unit we set gets its own permitted circuit before it's wired in, and any refrigerant work is done under our EPA Section 608 certification.
- 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.
A well-known outdoor-outfitter store on U.S. Route 1, a longtime landmark for travelers entering Maine.
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.
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!
Jacqueline Vogeley
2 weeks ago
Great experience! Open, honest and efficient 🙌🏽 Job well done
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.
More Services in Kittery
Aces Highlands handles HVAC, plumbing, and electrical for Kittery homeowners. Here is more of what we do nearby.
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Furnace Installation in KitteryNeed AC Installation in Kittery?
Call our Kittery team or get a free quote. We will get you scheduled and take care of it right the first time.
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