Install Central A/C Cost in Maine in 2026
Most Install Central A/C projects in Maine cost between $3,800 and $12,000. The typical price is $7,000.
Central AC alone, reusing the existing furnace and ductwork.
Maine prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections