What a ductless mini-split actually costs to put in
Tell it about your rooms, not about your equipment. The worksheet works out how much capacity the space needs, how many indoor heads that implies, which size heads are actually sold, and what a job of that shape costs — then shows you where every dollar figure came from and what it leaves out.
2-zone wall-mounted system, installed
$6,250
Sourced band $4,500–$8,000. Nothing you told us pushes this job toward the top of the band, so the figure sits at its midpoint.
planning figure built from published data — not a contractor quoteSecond opinion from an unrelated publisher for the same zone count: $3,100–$7,800. Where the two disagree we print both instead of averaging them into a number neither one supports.
Describe the job — the estimate rebuilds as you type
Floor area of the rooms the system will serve.
Rooms that close off from each other.
Our own labelled adjustment — there is no published multiplier for this.
Open a panel cover and count the empty slots.
Only one city's fee schedule has been read and verified, so only one city can be priced.
What this number deliberately leaves out
- line set beyond the ~15 ft a standard quote includes — no source we could cite publishes a price per foot, so we publish none
- a main electrical panel or service upgrade — our two sources disagree by roughly threefold, so we price neither
- removing and disposing of whatever is there now
- drywall patching, painting, and exterior siding repair around the wall penetration
- condensate pumps and any drain routing that cannot fall by gravity
- the permit fee, because we have only verified one jurisdiction's published schedule
Biggest swing factor here: the number of indoor heads — every extra head adds equipment, a refrigerant run, and a day of labour, and it is the single largest mover in both source tables.
Two cost tables, printed side by side instead of averaged
There is no government dataset for what a contractor charges to install a heat pump. Every installed-cost figure on this site therefore comes from a commercial cost aggregator, and the honest response to that is not to hide it but to cite two unrelated ones and show you where they disagree. Below is each publisher’s own table by zone count. Where a row exists in both, the bands overlap comfortably; where only one publishes a row, the other column is blank rather than filled in with a guess.
| Zones | HomeGuide, installed | Forbes Home, installed |
|---|---|---|
| 1 | $2,500–$6,000 | $2,400–$5,500 |
| 2 | $4,500–$8,000 | $3,100–$7,800 |
| 3 | $6,500–$11,000 | $3,800–$10,100 |
| 4 | no row published | $4,500–$12,400 |
| 5 | $10,000–$15,000 | $5,200–$14,700 |
| 6 | no row published | $5,900–$17,000 |
| 8 | $18,000–$20,000 | no row published |
Notice the gaps. HomeGuide skips four, six and seven zones; Forbes stops at six. When you pick a zone count nobody published, the worksheet interpolates between the two rows either side and labels the result derived rather than sourced[3]. That distinction matters more than it looks: a derived band inherits all the uncertainty of the rows it sits between, plus the assumption that price moves smoothly across them, which is not obviously true at the point where a contractor has to add a second outdoor unit.
What the indoor unit style does to the price
The box outside is only half the purchase. Every room you condition needs an indoor head, and the four styles are not interchangeable in either price or install effort. A wall-mounted head starts at $2,500 per zone and is the default for a reason: it screws to a stud, the hole is small, and one person can hang it. A concealed ducted unit reaches $7,500[8] because it lives in an attic or a soffit, needs short duct runs built for it, and takes a second day.
| Indoor unit style | Per zone, installed | Premium over a wall head | Where it earns its keep |
|---|---|---|---|
| Wall-mounted | $2,500–$5,000 | baseline | Almost every bedroom and office. Cheapest, simplest, least to go wrong. |
| Floor-mounted | $3,000–$5,000 | $500 / $0 | Rooms with knee walls, sloped ceilings or windows that eat the upper wall. |
| Ceiling cassette | $3,500–$6,000 | $1,000 / $1,000 | Wide open rooms where one wall head would throw air across the space rather than into it. |
| Concealed ducted | $4,000–$7,500 | $1,500 / $2,500 | When the owner refuses to see any equipment at all and there is attic or soffit to hide it in. |
The premium column is subtraction inside a single publisher’s own style table, so both numbers being subtracted were gathered the same way. That is a derived figure and it is labelled as one on the methodology page. Mixing a low end from one publisher with a high end from another would produce a wider, more impressive-looking band that means nothing.
- Size one room properlyThe published area table plus its four adjustment rules, applied to your ceiling, sun and occupancy.
- One outdoor unit or severalMulti-zone against separate single-zone systems, priced from the same table on both sides.
- The permit and the panelOne real municipal fee schedule, and the electrical work nobody puts in the headline price.
Questions people actually ask about this
How much does a mini-split cost to install?
$2,500–$6,000 for a single zone and $6,500–$11,000 for three, according to HomeGuide's zone table. An unrelated publisher, Forbes Home, puts a single zone at $2,400–$5,500. The bands overlap, which is the most reassuring thing you can say about cost-guide data.
Why does this ask about my breaker panel?
Because the outdoor unit needs its own circuit and a full panel turns a one-day job into a two-trade job. If there is no spare 240-volt slot, an electrician's run is added as a separate line at $650 rather than being folded invisibly into the system price.
Does the estimate cover a long refrigerant run?
No, and that is deliberate. A standard quote includes about 15 feet of line set. Nobody we were willing to cite publishes a price per foot beyond that, so this site prints no per-foot figure at all and instead moves your estimate toward the top of the sourced band.
Is a ceiling cassette really worth the extra money?
It costs more per zone than a wall head in both source tables and it goes into the ceiling, which means an attic or a dropped soffit. Buy one for a wide open room where a wall head would blow across the space rather than through it, not because it looks tidier.
Where each figure on this page came from
- HomeGuide, Ductless mini split installation cost (updated October 8, 2025) — https://homeguide.com/costs/ductless-mini-split-ac-cost (retrieved 2026-08-06)
- HomeGuide, Ductless mini split installation cost (updated October 8, 2025) — https://homeguide.com/costs/ductless-mini-split-ac-cost (retrieved 2026-08-06)
- HomeGuide, Ductless mini split installation cost (updated October 8, 2025) — https://homeguide.com/costs/ductless-mini-split-ac-cost (retrieved 2026-08-06)
- HomeGuide, Ductless mini split installation cost (updated October 8, 2025) — https://homeguide.com/costs/ductless-mini-split-ac-cost (retrieved 2026-08-06)
- Forbes Home, How Much Does It Cost To Install A Mini Split AC System? (audited and verified December 1, 2024) — https://www.forbes.com/home-improvement/hvac/mini-split-installation-cost/ (retrieved 2026-08-06)
- Forbes Home, How Much Does It Cost To Install A Mini Split AC System? (audited and verified December 1, 2024) — https://www.forbes.com/home-improvement/hvac/mini-split-installation-cost/ (retrieved 2026-08-06)
- HomeGuide, Ductless mini split installation cost (updated October 8, 2025) — https://homeguide.com/costs/ductless-mini-split-ac-cost (retrieved 2026-08-06)
- HomeGuide, Ductless mini split installation cost (updated October 8, 2025) — https://homeguide.com/costs/ductless-mini-split-ac-cost (retrieved 2026-08-06)
- HomeGuide, Cost to install a dedicated circuit (October 15, 2025) — https://homeguide.com/costs/cost-to-install-a-dedicated-circuit (retrieved 2026-08-06)
- HomeGuide, Ductless mini split installation cost (updated October 8, 2025) — https://homeguide.com/costs/ductless-mini-split-ac-cost (retrieved 2026-08-06)