Mini split installation cost
A typical ductless mini-split installation costs $2,000 to $5,000, averaging about $3,000, according to Angi (updated April 4, 2026). HomeGuide (October 8, 2025) puts a single-zone system at $2,500 to $6,000 installed and a dual-zone at $4,500 to $8,000. Fixr (January 31, 2025) lists $4,577 to $8,328, averaging $6,357. Zones, BTU size, line-set length and electrical work drive the total—use the estimator with your own quotes.
Published cost ranges
These are national ranges as each source publishes them. None of them are our own prices.
| Source (date) | Typical project | Notes |
|---|---|---|
| Angi (updated Apr 4, 2026) | $2,000–$5,000 | Average about $3,000 |
| HomeGuide (Oct 8, 2025), single-zone | $2,500–$6,000 | Dual-zone $4,500–$8,000; multi-zone higher |
| Fixr (updated Jan 31, 2025) | $4,577–$8,328 | Average $6,357 |
By number of zones (installed)
| Zones | Installed range | Typical use |
|---|---|---|
| 1 | $2,500–$6,000 | Single room or office |
| 2 | $4,500–$8,000 | Two rooms or small apartment |
| 3 | $6,500–$11,000 | Multi-room coverage |
| 5 | $10,000–$15,000 | Whole-home system |
| 8 | $18,000–$20,000+ | Large home / commercial |
By capacity (BTU, installed)
| BTU (tons) | Installed range |
|---|---|
| 6,000 (0.5 ton) | $2,500–$3,500 |
| 9,000 (0.8 ton) | $3,000–$4,200 |
| 12,000 (1 ton) | $3,500–$5,000 |
| 18,000 (1.5 ton) | $4,500–$6,500 |
| 24,000 (2 ton) | $6,000–$8,000 |
| 30,000 (2.5 ton) | $7,000–$9,500 |
| 36,000 (3 ton) | $8,000–$11,000 |
| 42,000 (3.5 ton) | $10,000–$13,000 |
| 48,000 (4 ton) | $12,000–$15,000 |
| 60,000 (5 ton) | $15,000–$18,000 |
HomeGuide says most quotes include the outdoor unit, indoor head(s), basic electrical, brackets/pad, refrigerant line and testing, with a standard line set of about 15 feet—longer runs cost more. Angi lists refrigerant line parts at about $5 per foot.
Estimate your own job
Pick zones (HomeGuide table) or a BTU size. Add extra line-set length, a dedicated circuit, panel upgrade, permit and old-unit removal. Type over any line with your quote.
What's in the price
- Equipment + labor: Outdoor condenser, indoor head(s), basic line set, mounting and startup—usually one installed total (HomeGuide).
- Extra line-set: Angi ~$5/ft for refrigerant line; HomeGuide notes runs beyond ~15 ft cost more.
- Electrical: Dedicated circuit about $250 (Angi); panel upgrade $1,800–$2,500 (HomeGuide) when the service is undersized.
- Permit: Angi $250–$400.
- Old unit removal: Angi $80–$150.
Federal tax credit status (2026)
Section 25C (Energy Efficient Home Improvement Credit) ended for new installs after 2025. The IRS FAQ on Public Law 119-21 (FS-2025-05, August 21, 2025) states that the credit is not allowed for any property placed in service after December 31, 2025. Some older cost guides still mention heat-pump or ductless credits that applied through 2025. Check your utility and ENERGY STAR’s rebate finder for local rebates that may still apply.
- EPA Section 608: Technicians who could release refrigerant must hold Section 608 certification. Adding or removing refrigerant, attaching gauges or cutting lines on a mini-split requires a certified tech. Do not vent refrigerant.
- Electrical: Many systems need a dedicated circuit; panel work belongs to a licensed electrician.
- Permits: Follow local mechanical and electrical codes; pros usually pull permits.
- Not DIY: HomeGuide and Angi both warn that DIY risks leaks, poor performance and voided warranties.
Getting quotes
- Get at least three itemized estimates: outdoor model, each indoor head, line-set length, electrical, permit and disposal.
- Ask for a load calculation (Manual J) rather than a rule of thumb—especially for multi-zone or whole-home.
- Confirm EPA Section 608 certification and state HVAC licensing.
Related: AC replacement cost, heat pump installation cost, BTU calculator, furnace replacement cost and the cost guides.
FAQ
How much does mini-split installation cost?
Angi (April 2026) puts most jobs at $2,000 to $5,000, averaging about $3,000. HomeGuide (October 2025) lists a single-zone system at $2,500 to $6,000 installed and dual-zone at $4,500 to $8,000. Fixr (January 2025) gives a national range of $4,577 to $8,328, averaging $6,357.
How much is a single-zone vs multi-zone mini-split?
HomeGuide: 1 zone $2,500–$6,000; 2 zones $4,500–$8,000; 3 zones $6,500–$11,000; 5 zones $10,000–$15,000. Angi equipment/install bands by zone count are wider (about $500–$5,000 for one zone up to $4,400–$12,000 for five).
Is there a federal tax credit for a mini-split in 2026?
Not for new installs placed in service in 2026 under section 25C. The IRS (FS-2025-05) says the Energy Efficient Home Improvement Credit is not allowed for property placed in service after December 31, 2025. Check utility and ENERGY STAR rebate finders for local incentives.
Can I install a mini-split myself?
HomeGuide and Angi advise against DIY. Refrigerant work requires EPA Section 608 certification. Improper vacuuming or charging can damage the system, void the warranty and release refrigerant illegally.
Do I need a permit?
Usually yes when electrical and refrigerant work are involved. Angi cites permits at $250 to $400 for multi-zone installs. Your HVAC contractor typically pulls the permit.
Sources
All checked October 21, 2026. Dates are each page's own published or updated date.
- Angi, Mini-split installation cost, updated April 4, 2026: project range and average, permits, labor, removal, line $/ft, dedicated circuit, zones and BTU equipment bands.
- HomeGuide, Ductless mini split AC cost, October 8, 2025: by zone, by BTU installed, styles, standard ~15 ft line set, DIY warning.
- Fixr, Ductless air conditioner installation, updated January 31, 2025: national average and range; single- and multi-handler bands.
- IRS, FAQs for modification of sections 25C, 25D (FS-2025-05), August 21, 2025.
- US EPA, Section 608 technician certification.