
Furnace Installation in Yarmouth, Maine
High-Efficiency Models · Proper Sizing · Ductwork Inspection Included
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Furnace Installation for Yarmouth Homeowners

For furnace installation in Yarmouth, homeowners turn to Aces Highlands: a Portland-based crew (508 Riverside St Unit 1) that is minutes from Cumberland County and already familiar with the homes, climate and codes here.
When it is time for a new furnace, Aces Highlands helps you choose and install a high-efficiency system that delivers dependable heat and lower energy costs. Every installation includes proper sizing, clean ductwork connections, and thorough testing.
We install oil, propane, and natural gas furnaces from trusted brands. Modern high-efficiency furnaces can operate at 95% efficiency or higher, meaning more of your fuel dollar goes toward heating your home instead of going up the chimney. You might also want to consider a heat pump system for even greater efficiency and year-round comfort.
Proper sizing is critical for furnace performance. An oversized furnace short-cycles and creates temperature swings, while an undersized unit runs constantly without reaching comfortable temperatures. We perform a load calculation to determine the right size for your home.
Our furnace installations include removal of the old unit, new furnace installation, ductwork inspection and connection, thermostat setup, and a complete system test. Older homes may also benefit from an electrical panel upgrade to support the new system. We make sure everything is working perfectly before we leave.
Why Yarmouth Calls Aces Highlands
- Local team minutes from Yarmouth, serving all of Cumberland County
- No scare tactics — just an accurate diagnosis and a price that holds
- Scheduling that moves quickly, because a home without heat or water cannot wait
- Fully licensed, fully insured — neighbors in Yarmouth leave us reviews on Google
Yarmouth Homes and What They Need
Yarmouth's housing is among the oldest in this part of the county. Census estimates put the median year built at 1973, about one in five homes predates 1940 and roughly two-thirds were built before 1980. Main Street, between the Upper Village and Lower Falls, is lined with captains' houses and 19th-century homes from the town's shipbuilding era, and the town counts a dozen properties on the National Register of Historic Places. Cousins and Littlejohn islands add shorefront houses and former summer cottages. Yarmouth also has far more variety than towns to the north, with about a quarter of its units in attached houses, condominiums and apartment buildings. Old village houses commonly have cast-iron radiators, plaster walls and nowhere easy to run ductwork, which is why boiler service and replacement is often the first heating decision here, rather than adding a ducted system.
Heating and Cooling in Yarmouth
Yarmouth is the one town in this group where natural gas is a real option. Summit Natural Gas of Maine began building mains in Yarmouth, Cumberland and Falmouth after 2013, and Census estimates now show about 13 percent of Yarmouth homes heating with utility gas. Oil is still the largest fuel at roughly 56 percent, with electricity near 14 percent, propane about 13 percent and wood under 4 percent. The town sits on Casco Bay, split by the Royal River estuary, and exposed houses on Cousins Island and along the shore lose heat to steady coastal wind. On a street with a gas main, owners of oil-fired hot-water systems can weigh a gas conversion against electrification; where a new boiler is going in anyway, a high-efficiency boiler installation can keep the existing radiators while cutting fuel use, and ductless heads can add cooling upstairs.

Getting to Know Yarmouth
Yarmouth is home to Eartha, the world's largest rotating globe — over 41 feet in diameter and certified by Guinness World Records — housed in the former DeLorme (now Garmin) headquarters just off Route 1. Every July since 1965, the town has also hosted the Yarmouth Clam Festival, a free three-day event that draws tens of thousands of visitors.
Yarmouth Village's charming older homes are part of the town's appeal — and they frequently need the wiring updates, boiler replacements, and ductless retrofits that historic housing demands. That is our specialty.
Local & Independent — Not a Franchise
There is no franchise behind Aces Highlands — just a Portland-based crew that works Yarmouth under its own name. Technicians are not on commission, so the recommendation you get is the one your house actually needs. We show up, fix the actual problem, and let the work speak for itself.
How a Furnace Works
- Return air — pulled in through the filter
- Blower — pushes air across the heat exchanger
- Burners — ignite to heat the exchanger
- Heat exchanger — transfers heat without mixing combustion gases
- Supply air — warm air delivered to the home
Homeowner Guide
Furnace Installation: Sizing, Ductwork & Venting
A furnace replacement is a chance to fix problems the original installation may have never addressed — most of which live in the ductwork, not the furnace cabinet.
Read the Full GuideMore Furnace Repair & Installation
Furnace Installation is part of our full furnace repair & installation lineup. Explore the details or browse everything we offer in Yarmouth.
Furnace Installation DetailsAll Services in YarmouthService Info
Codes & Permits for Furnace Installation in Yarmouth
In Yarmouth, plumbing permits come from the Local Plumbing Inspector at the Yarmouth Planning and Development / Building Permits & Codes (200 Main Street, Yarmouth, ME 04096, 207-846-2401). With 8,990 residents, Yarmouth is required to enforce the Maine Uniform Building and Energy Code (MUBEC). The town maintains multiple FEMA flood insurance rate maps covering East Main, Bayview, the harbor, Cousins River, Cousins Island, and Littlejohn Island.
- Oil-fired furnaces fall under the same Maine Fuel Board Oil Burner Technician licensing (Apprentice/Journeyman/Master) as oil boilers. maine.gov
- Installing, repairing, or servicing a propane or natural gas furnace requires a Maine Fuel Board Propane and Natural Gas Technician license, with separate authorizations depending on BTU size and scope of work. mainelegislature.org
- Propane and natural gas equipment and dispensing installations in Maine must comply with NFPA 54 (National Fuel Gas Code) and NFPA 58 (Liquefied Petroleum Gas Code). maine.gov
How Aces Highlands Handles Furnace Installation in Yarmouth
- Summit Natural Gas of Maine has mains through parts of Yarmouth, so a gas-fired swap is on the table wherever a line already reaches the street; off that grid the choice is oil, propane or a heat pump.
- About 58% of Yarmouth homes heat with heating oil today. Oil equipment is installed to NFPA 31, gas and propane to NFPA 54/58, and every vent or chimney tie-in to NFPA 211.
- We don't close out a furnace installation without confirming CO detectors are installed near sleeping areas, which Maine requires wherever the heat comes from burning fuel.
A historic building along U.S. Route 1 in Yarmouth, near the town's downtown.
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
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.
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.
Ryan Eling
3 months ago
This team was called in by my property management company for where I rent. Elijah and his team were professional, clear speaking. Good communicators gave me the real deal. Didn't give any runaround. I trust them and want to use them for my own projects.
Christian van Loenen
4 months ago
Beyond impressed with Elijah and his team. Professional, communicative, and do great work. HIGHLY recommend. Thank you, Elijah!
Furnace Installation FAQs
How much does a new furnace cost installed?
Most residential furnace replacements run roughly $5,000–$9,000 installed depending on fuel type, efficiency class, and ductwork condition. We provide a firm written quote before ordering equipment, and financing is available.
How long does furnace installation take?
A straightforward replacement is completed in one day, with heat restored the same evening. Jobs involving significant ductwork, venting changes, or fuel conversion may take a second day.
What size furnace does my home need?
The size should come from a heat-loss calculation of your actual home — insulation, windows, air sealing, square footage — not from copying the old unit’s label. Oversized furnaces short-cycle and create temperature swings; undersized ones run constantly and still fall behind.
Should I replace my furnace with a heat pump instead?
Worth considering. Cold-climate heat pumps heat efficiently through most of a Maine winter and add air conditioning, and Efficiency Maine rebates may apply. Many homes pair a heat pump with a furnace as backup. We install both, so we can price the options against each other honestly.
Do you remove the old furnace?
Yes — removal and disposal of the old unit is included in every installation, along with a full cleanup of the work area.
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Aces Highlands handles HVAC, plumbing, and electrical for Yarmouth homeowners. Here is more of what we do nearby.
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Sewer Line Repair & Replacement in YarmouthNeed Furnace Installation in Yarmouth?
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