Basic
$2,500 – $6,251 per project
Entry-level inverter heat pump mini-split around 17 SEER2 / 8 HSPF2, one wall head, outdoor pad, taped line set, wireless remote

Install a single-zone ductless mini-split heat pump (heating and cooling) with one indoor head, line set and electrical.
Ductless Heat Pump in Portland, Maine typically costs $2,942 to $7,354 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 Portland are 1.0% lower than the national average for ductless heat pump.
National average: $3,000 – $7,500 per project
$2,500 – $6,251 per project
Entry-level inverter heat pump mini-split around 17 SEER2 / 8 HSPF2, one wall head, outdoor pad, taped line set, wireless remote
$2,942 – $7,354 per project
Mid-efficiency heat pump mini-split around 20 SEER2 / 9 HSPF2, quieter head, outdoor pad, line set in a cover
$3,677 – $9,192 per project
Cold-climate heat pump mini-split around 22 SEER2 / 10 HSPF2 that heats well below freezing, outdoor pad, Wi-Fi control and base pan heater
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $1,310 – $3,274 | job |
| Labor | labor | $1,050 – $2,625 | job |
| Supplies & Other | supplies | $349 – $873 | job |
| Equipment & Disposal | equipment | $233 – $582 | job |

White wall-mounted ductless mini-split indoor unit above a curtain rod
Photo: esquetee · CC BY-SA 2.0 · Source
Connect with local ductless heat pump contractors in Portland for personalized quotes based on your specific project.