EFFICIENCY MAINE REBATE
AC Installation in Lewiston, Maine
Lewiston, Androscoggin County
Heat Pump & Ductless Cooling · Right-Sized for Your Home · Quiet, Efficient Systems
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- Licensed & insured
- Since 2019
Efficiency Maine Registered Vendor- 100% Satisfaction Guarantee
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AC Installation for Lewiston Homeowners
Heat Pump & Ductless Cooling
Right-Sized for Your Home
Quiet, Efficient Systems
When Lewiston homeowners need ac installation, Aces Highlands is the local team to call. We are based at 508 Riverside St Unit 1 in Portland — a short drive from Lewiston in Androscoggin County — so we respond quickly and know the homes, the weather, and the codes in your area.
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 Lewiston Calls Aces Highlands
- Based just outside Lewiston and out on Androscoggin County calls every day
- No scare tactics — just an accurate diagnosis and a price that holds
- A short wait for a truck, not a long one — most jobs move fast
- Licensed and insured, with a track record of Google reviews from real jobs
Lewiston Homes and What They Need
Lewiston's median home was built in 1957, with about 32 percent of the housing stock dating before 1940 and 54 percent before 1960 -- a mill-city profile concentrated in the tenement and triple-decker neighborhoods that grew up around the Bates Mill complex in the late 1800s and early 1900s. That density and age combination means plumbing work in older Lewiston buildings often has to account for shared walls and stacked units, not just a single-family layout.
Heating and Cooling in Lewiston
About 53 percent of Lewiston households heat mainly with fuel oil, 23 percent with utility gas, and 10 percent with electricity, per Census estimates, though Lewiston is not in Summit Natural Gas of Maine's published service area, so that utility-gas share likely reflects an older, more limited local distribution system rather than a modern buildout. Either way, a lot of Lewiston's oil-heated multi-unit buildings are strong candidates for a heat pump retrofit.
Getting to Know Lewiston
Lewiston grew up around Lewiston Falls on the Androscoggin River, which started powering the Bates Manufacturing Company's mill complex in 1852. For roughly three decades, Bates was Maine's single largest employer, and it stayed one of Lewiston's biggest employers well into the 20th century, a scale of industry that shaped the city's dense, mill-town neighborhoods.
The Androscoggin River still forms Lewiston's western border, separating it from twin city Auburn, and the two towns share more than a river: Lewiston draws its water through the jointly run Auburn Water District. That kind of shared infrastructure is common between the two cities, a legacy of how closely their industrial histories are tied together.
Local & Independent — Not a Franchise
Aces Highlands is a locally owned Portland, Maine company serving Lewiston — not a national franchise. Nobody on our crew works on commission, so there is no incentive to sell you more than the job needs. Earning the next call, not hitting a sales target, is the entire business plan.
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 Lewiston.
AC Installation DetailsAll Services in LewistonService Info
Codes & Permits for AC Installation in Lewiston
In Lewiston, plumbing permits come from the Local Plumbing Inspector at the Planning & Code Enforcement, City of Lewiston (27 Pine Street, Lewiston, ME 04240, 207-513-3000). With 37,121 residents, Lewiston is required to enforce the Maine Uniform Building and Energy Code (MUBEC). The city's Electrical Services Division jointly operates a UV/chemical disinfection facility with the Auburn Water District for the shared Lewiston/Auburn water supply, reflecting how closely the two cities' utilities are intertwined.
- 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 Lewiston
- With heating oil the leading fuel in Lewiston (about 53% 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.
- The circuit feeding the outdoor unit is permitted first, and all refrigerant handling follows EPA Section 608 rules — no shortcuts on either.
- Because Efficiency Maine ties its rebates to Residential Registered Vendor status, we go over what your project actually qualifies for before you commit a dollar.
A 19th-century brick textile mill complex lining the Androscoggin River canal in downtown Lewiston, once the city's largest employer.
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
Google reviews
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.
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.
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Aces Highlands handles HVAC, plumbing, and electrical for Lewiston homeowners. Here is more of what we do nearby.
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Furnace Installation in LewistonNeed AC Installation in Lewiston?
Call our Lewiston team or get a free quote. We will get you scheduled and take care of it right the first time.
More Ways We Can Help
Google ReviewsService Areas
48We proudly serve communities throughout Southern Maine, including…
Portland, MaineSouth Portland, MaineScarborough, MaineWestbrook, MaineGorham, MaineFalmouth, MaineCape Elizabeth, MaineCumberland, MaineWindham, MaineStandish, MaineGray, MaineNew Gloucester, MaineRaymond, MaineNorth Yarmouth, MaineYarmouth, MaineFreeport, MainePownal, MaineBridgton, MaineBrunswick, MaineHarpswell, MaineAugusta, MaineWinthrop, MaineGardiner, MaineHallowell, MaineTopsham, MaineBath, MaineLewiston, MaineAuburn, MaineLisbon, MainePoland, MaineTurner, MaineSabattus, MaineBiddeford, MaineSaco, MaineOld Orchard Beach, MaineKennebunk, MaineKennebunkport, MaineWells, MaineKittery, MaineYork, MaineBuxton, MaineWaterboro, MaineBerwick, MaineSouth Berwick, MaineEliot, MaineNorth Berwick, MaineLebanon, MaineSanford, Maine
Guides & Tips
8Learn more in our blog, with articles such as…
HVAC & Plumbing BlogWhat to Do When Your Heat Goes Out in WinterWhy Your Heat Pump Is Freezing Up — and How to Fix ItTankless vs. Tank Water Heater: Which Is Best for Your Maine Home?How Much Does a Heat Pump Cost in Maine? (Plus Efficiency Maine Rebates)Heat Pump vs. Furnace: Which Is Right for Your Maine Home?5 Signs Your Boiler Needs ReplacementSigns Your Electrical Panel Needs an Upgrade
Company
8A few more places to begin include…
Services
39Explore the rest of what we do, from…
All ServicesHeat Pumps & Mini-SplitsHVAC ServicesBoilers & Hydronic HeatingFurnace Repair & InstallationResidential PlumbingWater HeatersElectrical ServicesHeat Pump InstallationHeat Pump RepairHeat Pump MaintenanceDuctless Mini-SplitsAC InstallationAC RepairBoiler InstallationBoiler RepairBoiler MaintenanceRadiant Floor HeatingFurnace InstallationFurnace RepairFurnace MaintenanceLeak Detection & RepairFixture InstallationDrain CleaningSewer Line Repair & ReplacementTank Water HeatersTankless Water HeatersWater Heater RepairPanel UpgradesWiring & RewiringOutlet & Switch InstallationLighting InstallationEV Charger InstallationGenerator InstallationElectrical Repair & TroubleshootingEmergency ServicesEmergency Heating RepairEmergency PlumberEmergency Electrician
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