HVAC Cost in Janesville, WI in 2026
Most HVAC projects in Janesville, WI cost between $5,000 and $16,000. The typical price is $9,000.
Janesville 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 Janesville, WI
Businesses listed on Google near Janesville, WI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
24HR Home Comfort Services
4.9(2,915 reviews)
310 Sunnyside Dr, Milton, WI 53563
J. C. Heating and Cooling, Inc.
5.0(449 reviews)
300 S River St, Janesville, WI 53548
Rock Valley Services, Inc.
4.9(456 reviews)
928 Todd Dr #2, Janesville, WI 53546
R&W Heating & Cooling Inc
5.0(56 reviews)
610 E Madison Ave, Milton, WI 53563
Dohner Heating & Cooling LLC
4.9(52 reviews)
10248 County Road F, Edgerton, WI 53534
Al Beyers Indoor Comfort Systems
4.1(72 reviews)
4100 N Newville Rd, Janesville, WI 53545