Install Central A/C Cost in Jefferson, WI in 2026
Most Install Central A/C projects in Jefferson, WI cost between $3,700 and $12,000. The typical price is $6,500.
Central AC alone, reusing the existing furnace and ductwork.
Jefferson 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
HVAC contractors in Jefferson, WI
Businesses listed on Google near Jefferson, WI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Jensen Plumbing, Heating & Air, Inc.
4.9(685 reviews)
204 W Lake St, Lake Mills, WI 53551
Victory Heating & Cooling
4.9(67 reviews)
W3320 US-18, Helenville, WI 53137
Armstrong Heating & Cooling
4.9(57 reviews)
1205 Industrial Dr, Fort Atkinson, WI 53538
Pratt Bros.
4.7(38 reviews)
810 N Parkway St, Jefferson, WI 53549
Lake Country Heating & Cooling
4.0(3 reviews)
Jefferson, WI 53549