Ductless Mini-Split Installation
A ductless mini-split connects a small outdoor compressor to one or more indoor air handlers through a narrow line set — no ductwork, no dropped ceilings, no months-long renovation.
A contractor evaluates your home’s layout, insulation, and existing heating system to size the right system.
For multi-room coverage, deciding how many indoor units you need and where they go.
Mounting the air handler(s), placing the outdoor compressor, and running the line set between them.
A dedicated electrical circuit and a local permit, handled as part of the job.
| System type | Typical installed cost |
|---|---|
| Single-zone (one room/area) | $4,000 – $9,000 |
| Multi-zone (whole-home) | $12,000 – $25,000 |
| Average whole-home multi-zone system | ~$22,000 |
These are real ranges from Mass Save’s own published data, not a firm quote — your actual cost depends on zone count, unit capacity, and your home’s layout. Request a free estimate for a number specific to your home. Mass Save rebates can offset a meaningful share of this cost. See our rebate guide →
Tell us a little about your home and what you’re trying to cool or heat.
A contractor visits (or in some cases can quote remotely) to evaluate your space.
A real, itemized number for your specific home.
Most single-zone jobs finish in a day; multi-zone systems may take longer.
Fast, honest help for mini-split installation in the Framingham area.
Also having trouble with an existing system? See our Mini-Split Repair page.
