HVAC Cost in Johns Island, SC in 2026
Most HVAC projects in Johns Island, SC cost between $4,700 and $15,000. The typical price is $8,500.
Labour and materials in Johns Island 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 Johns Island, SC
Businesses listed on Google near Johns Island, SC. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Anchor Heating and Air LLC
5.0(1,491 reviews)
1029 St Andrew's Blvd, Charleston, SC 29407
Blanton & Sons - Heating, Cooling and Plumbing
4.8(1,510 reviews)
6074 New Rd, Ravenel, SC 29470
Carney & Son 72 Degrees
4.9(1,205 reviews)
3528 Meek's Farm Rd, Johns Island, SC 29455
Holy City Heating & Air, LLC
4.9(1,149 reviews)
238 E Bay St, Charleston, SC 29401
AGL Heating & Air
5.0(937 reviews)
3429 Maybank Hwy Ste A1, Johns Island, SC 29455
Smoak's Comfort Control
4.9(905 reviews)
1781 Harmony St, Charleston, SC 29407