HVAC
Mini Split Installation: Cost, Permits & Timeline
Adding a ductless mini split heat pump to a garage, addition, lanai or bonus room. Common in Florida where extending existing ductwork to a converted space is impractical.
Verified August 2026
Typical cost
$4,800
$2,400 – $12,500
per indoor head
$2,000 – $5,000
Permit
Required
$90 – $300
Timeline
1 day per head
1 day per head, 1-3 weeks including permitting
Do you need a permit for mini split installation?
Yes
Mini Split Installation is permitted and inspected work in nearly every jurisdiction. Typical fees run $90 to $300, and a licensed contractor generally has to pull the permit.
What drives the cost
- Number of indoor heads and total BTU
- SEER2 rating of the system
- Line set length and routing
- New electrical circuit and disconnect
- Condensate drainage or pump
Permit, inspections and documents
| Permit status | required |
|---|---|
| Typical permit fee | $90 – $300 |
| Licensed contractor required | Usually yes |
| Owner-builder allowed | Rarely |
| Inspections | Mechanical rough, Electrical inspection, Final mechanical inspection |
| Timeline | 1 day per head, 1-3 weeks including permitting |
| DIY difficulty | 4/5 difficulty |
Documents typically required
- • Mechanical and electrical permit application
- • Contractor license
- • Equipment AHRI certificate
Mini Split Installation cost by city
Local labor and material pricing applied to the national baseline.
| City | Typical range | vs national |
|---|---|---|
| Miami | $2,800 – $14,800 | +18% |
| Tampa | $2,500 – $13,000 | +4% |
| Orlando | $2,400 – $12,800 | +2% |
| Fort Lauderdale | $2,700 – $14,200 | +14% |
| Jacksonville | $2,300 – $12,000 | -4% |
| West Palm Beach | $2,700 – $14,000 | +12% |
| St. Petersburg | $2,500 – $12,900 | +3% |
| Fort Myers | $2,600 – $13,600 | +9% |
| Cape Coral | $2,600 – $13,400 | +7% |
| Sarasota | $2,600 – $13,500 | +8% |
| Naples | $3,000 – $15,500 | +24% |
| Port St. Lucie | $2,400 – $12,800 | +2% |
Frequently asked questions
What size mini split do I need for a Florida garage?
An uninsulated Florida garage typically needs 30 to 40 BTU per square foot because of the heat load through the door and roof — roughly a 12,000 BTU head for a single-car garage.
Sources
Sources & verification
Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.