Cooling the rooms Levitt never ducted
Ductless Mini-Split Installation in Levittown, NY
Levittown's original capes and ranches were built on slab with no basement and, in thousands of cases, no real duct system for the second floor. When a dormer, a converted garage, or a back addition went in decades later, the ductwork rarely followed. That's why the upstairs bedroom on Gardenia Lane runs ten degrees hotter than the living room even with a healthy central system.
Ductless mini-splits solve that without tearing open ceilings. We install from our shop at 25 Knoll Ln, ZIP 11756, so surveys and installs happen fast — and we size every head with a room-by-room load calculation rather than defaulting to the biggest unit the supplier stocks.
Common problems — with real prices
Hot dormered second floor
A single 9,000–12,000 BTU wall head on the upper landing or bedroom typically runs $4,200–$6,400 installed and fixes what duct balancing can't reach.
Converted garage or back addition
Additions on slab with no return air are ideal single-zone candidates. Installed $4,200–$6,800 depending on line-set run and electrical.
Whole-house without ductwork
Multi-zone systems covering three to five rooms run $11,500–$22,000 installed, including a new dedicated circuit and outdoor unit pad.
Year-round comfort, not just summer
Modern cold-climate heat pump heads hold capacity into the teens, so the same equipment heats the space in January instead of a baseboard or space heater.
Rooms a central upgrade can't justify
If only one or two rooms are a problem, a head is far cheaper than resizing the central system and rebuilding trunk lines.
Local service notes for Levittown
Levittown coverage
ZIP 11756, installed by a crew based in the same ZIP at 25 Knoll Ln. That proximity matters on ductless work, where head placement decisions are often finalized on site.
The rooms Levitt houses never conditioned
Attic dormers, converted garages, breezeway rooms turned into offices, and rear extensions over slab are the classic Levittown ductless jobs. A head gives that room its own thermostat instead of asking a retrofit duct system to serve space it was never designed for, and the wall penetration is three inches instead of a soffit down the hallway.
Circuits, condensate, and clean lines
Each outdoor unit needs a dedicated circuit, so we check panel capacity on the estimate visit. Line sets run in cover channel rather than exposed insulation, condensate is pitched or pumped properly, and the Town of Hempstead electrical permit is pulled as part of the job.
Local pricing, permitting and code details on this page were reviewed by our service team in August 2026. Written by the technicians who run the Levittown route out of our Levittown shop.
Why Levittown calls us
We live in these houses
Our shop is in Levittown and we work on Levitt capes, ranches and dormer additions every week — we know where the line set can run without wrecking the drywall.
Room-by-room sizing
Free Manual-J style load calculation per zone. Oversized heads short-cycle, never dehumidify, and cost more to run.
Clean, permitted installs
Neat line-set covers, level pads, dedicated circuits, Town of Oyster Bay permits pulled when required. 1-year labor, 10-year parts.
Levittown questions, answered
One zone typically runs $4,200–$6,800 installed. Multi-zone systems covering three to five rooms run $11,500–$22,000 depending on head count, electrical work, and line-set length.
Need it fixed today in Levittown?
$99 diagnostic — waived when you approve the repair. Flat-rate price before any work starts.
Call (516) 667-0911