Ductless Mini-Split Installation
in North Yarmouth, Maine

About one North Yarmouth home in eight was built before 1940, and a good share of the rest went up between 1940 and 1979, according to the Census Bureau American Community Survey (2020–2024). The older houses are often farmhouses that grew in stages, with a main block, a kitchen ell and sometimes a connected shed or barn. That layout has no ductwork and plenty of doorways that block the spread of warm air. Ductless mini-splits handle it by putting heat where it is needed, one room or one section at a time.

A typical layout for a house like this is a wall head in the main living area, a second in the kitchen ell and one or two smaller heads upstairs, each with its own control. In rooms with low windows and limited wall space, floor consoles work well. If the house has several zones to cover, a multi-zone heat pump system can run several heads from one outdoor unit, though only single-zone outdoor units earn Efficiency Maine's per-unit rebate, so we weigh both layouts.

Rural properties bring other spaces into the picture. A heated workshop, a home office over a detached garage, or a finished room above a barn is often heated by a portable heater or a wood stove today. A ductless head gives it steady heat on its own thermostat and cools it in summer, without running the house boiler for one room. About 6% of homes here still heat mainly with wood. For a household that keeps its stove, a ductless head can carry the overnight load so the fire does not have to be fed at 3 a.m., and it keeps the far rooms warm when the stove is out.

Line sets on older houses are routed with care, through closets, up inside a chase or along a rear wall in a cover painted to match. Outdoor units are mounted on brackets or stands high enough to stay clear of snow, with a drainage path beneath for defrost water. Wall penetrations are sealed and flashed so the old house stays as tight as it was, and indoor condensate lines are routed to drain by gravity or a small pump where needed. A well-placed head can also help an older house in summer by pulling moisture out of rooms that turn muggy.

We install cold-climate Mitsubishi, Daikin and Samsung models rated for heating well below zero, which matters in an inland town. Neighbors in New Gloucester have similar farmhouses, and our gallery shows what finished indoor and outdoor units look like.