HVAC Cost in Jefferson, WI in 2026
Most HVAC projects in Jefferson, WI cost between $5,000 and $16,000. The typical price is $9,000.
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