Basic
$1,861 – $6,512 per project
Entry inverter single-zone system around 19-21 SEER2, wall-mount head, insulated line set evacuated and leak-checked, condenser on a pad, disconnect

Install a single-zone ductless mini-split system (one outdoor condenser and one indoor head, 9k-24k BTU), including line set, condensate, electrical disconnect and startup.
Mini Split Air Conditioning System in Boston, Massachusetts typically costs $2,189 to $7,662 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Boston are 14.0% higher than the national average for mini split air conditioning system.
National average: $2,000 – $7,000 per project
$1,861 – $6,512 per project
Entry inverter single-zone system around 19-21 SEER2, wall-mount head, insulated line set evacuated and leak-checked, condenser on a pad, disconnect
$2,189 – $7,662 per project
Mid-efficiency inverter system around 22-24 SEER2, quieter head, Wi-Fi-ready control, line set vacuumed and leak-checked, condenser on a pad
$2,736 – $9,577 per project
High-efficiency inverter system around 25-28 SEER2 with low-ambient rating, Wi-Fi control, nitrogen test, deep vacuum, condenser on a pad
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $900 – $3,150 | job |
| Labor | labor | $889 – $3,112 | job |
| Supplies & Other | supplies | $240 – $840 | job |
| Equipment & Disposal | equipment | $160 – $560 | job |
Labor costs in Boston run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local mini split air conditioning system contractors in Boston for personalized quotes based on your specific project.