“Finished our basement and they put in a ductless mini-split so the kids have a play space year-round. Clean install and they sized it to the room properly.”
Cool Any Room with Precision Ductless AC Installation
More Dorchester families are finishing basements and adding bonus rooms as the community keeps growing, and Dorchester Heating & Cooling installs the ductless mini-splits that heat and cool those spaces without new ductwork. As the largest satellite east of London expands, we size every unit to the room, hide the line sets cleanly, and leave the walls ready for paint.
Basement or bonus room the ducts cannot reach?
From finished basements in new builds to additions on older village homes, we install ductless mini-splits sized to the space, with tidy line sets and no ductwork required.
Matched to the Room, Not Oversized
Go too big on capacity and the unit short-cycles without ever drying the air. We size the BTUs to your actual basement or bonus room so it dehumidifies and runs efficiently.
Clean Installations, Inside and Out
Line sets tucked away, penetrations sealed, and the outdoor condenser mounted level on a pad that drains. We treat your finished space the way we would treat our own.
Year-Round Heat and Cooling in One Unit
A modern cold-climate head still extracts heat from January outdoor air, so a finished basement or addition stays comfortable through a winter cold snap and a July humid spell alike.
Ductless AC Installation in Dorchester: Common Questions
How much does ductless AC installation cost?
Equipment usually makes up the largest share, followed by labour and any electrical work. Higher-efficiency cold-climate models cost more upfront and repay you in lower energy bills.
How long does a ductless AC installation take?
A single-zone install typically takes one day, start to finish. Multi-zone projects usually run one to two days, depending on how many heads and how far the lines travel.
Should I repair or replace my mini-split?
A good rule: repair costs approaching half the price of a new system point toward replacement. We give you both numbers and let the math decide, not a sales pitch.
What Dorchester Homeowners Say
Real feedback from neighbours we've helped stay comfortable year-round.
“New build, AC stopped cooling in the middle of a humid stretch. They found low refrigerant and fixed it without trying to sell us a whole new unit.”
“Smart thermostat wired in around our commute schedule. House is warm when we walk in and the gas and hydro bills are both lower. Solid local team.”
We Can Help Solve Your Ductless AC Installation Needs
One short visit is all it takes to plan cooler bedrooms this summer. Book a free assessment with our licensed local installers.