Basic
$1,667 – $5,834 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
How Much Does Mini Split Air Conditioning System Cost in Portland, Maine?
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 Portland, Maine typically costs $1,961 to $6,864 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Mini Split Air Conditioning System in Portland, Maine
$1,961 – $6,864
per projectPrices in Portland are 1.0% lower than the national average for mini split air conditioning system.
National average: $2,000 – $7,000 per project
What you get at each price level
Standard
$1,961 – $6,864 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
Premium
$2,451 – $8,579 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
Cost Breakdown in Portland
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $873 – $3,056 | job |
| Labor | labor | $700 – $2,450 | job |
| Supplies & Other | supplies | $233 – $815 | job |
| Equipment & Disposal | equipment | $155 – $543 | job |
Prices adjusted for Portland local market conditions.
Cost Factors in Portland, Maine
What Affects Pricing
- Materials ($900.00-$3,150.00 per project)
- Labor ($700.00-$2,450.00 per project)
- Supplies & Other ($240.00-$840.00 per project)
- Equipment & Disposal ($160.00-$560.00 per project)
Local Price Adjustments
Material costs3.0% below avg
Labor costsAt national average
Frequently Asked Questions
References
- Cost to Install a Ductless Mini-Split: Honest Price Guide, airprosolutionsllc.com, retrieved Nov 2026
- Mini Split Installation Cost | Carrier, Carrier, retrieved Nov 2026
- Construction wages by metro and rural area, used for the labor adjustment by ZIP code, U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025
- Regional price parities for goods, used for the materials adjustment by ZIP code, U.S. Bureau of Economic Analysis, 2024
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