HVAC Cost in Spearfish, SD in 2026
Most HVAC projects in Spearfish, SD cost between $4,700 and $15,000. The typical price is $8,500.
Labour and materials in Spearfish run about 9% below the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
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 Spearfish, SD
Businesses listed on Google near Spearfish, SD. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Wolff's Plumbing & Heating, Inc.
4.6(283 reviews)
614 S 32nd St, Spearfish, SD 57783
J & M Mechanical
5.0(101 reviews)
3020 7th Ave Unit 3, Spearfish, SD 57783
One Way Service Pros
4.9(39 reviews)
169 Charles St, Deadwood, SD 57732
Central Air & Technologies LLC
5.0(24 reviews)
3217 W Fairgrounds Loop Ste 1, Spearfish, SD 57783
Precision Mechanical
4.7(22 reviews)
333 Heritage Dr #5, Spearfish, SD 57783
LPH Mechanical LLC
5.0(11 reviews)
320 S 26th St Ste 4, Spearfish, SD 57783