$7,900 – $13,900 for a heating and cooling system
What most homeowners spend; the full range runs $4,950–$29,700 by scope. That’s right around the national average for Charleston.
Get a free quote from local pros →Cost swings widely with what you're actually doing — a cosmetic refresh and a full replacement are different projects. Here's the range at each scope.
In Charleston, SC, most homeowners spend $7,900–$13,900 for a heating and cooling system — the full range runs $4,950–$29,700 depending on scope. Charleston tracks close to national averages, so a typical national ballpark is a reasonable starting point.
Source: ZeroFi estimate · national industry cost ranges, updated 2026-07 · adjusted to Charleston by ZeroFi's local cost index (×0.99). Planning ranges, not quotes — describe your job for a real estimate.
Most US homes replace a central AC + furnace, or switch to a heat pump — the ranges above assume a ducted whole-home system. The regional product — not just labor rates — is why prices differ, so the ranges above reflect Charleston's typical setup.
Read the full hvac system replacement guide →
In Charleston, SC, expect $7,900–$13,900 for a heating and cooling system — right around the national average. Your exact price depends on system size (tons) and efficiency (seer2 / afue) and ac-only vs. full ac + furnace vs. heat pump. Describe your job to get a real quote from local pros.
Charleston tracks close to national averages, so a typical national ballpark is a reasonable starting point.
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