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❄️ HVAC · ZIP 57117A licensed hvac technician serving ZIP 57117 charges roughly $69/hour, anchored on BLS OEWS wage data for SOC 49-9021 ($30.30/hr national mean) and the SD cost-of-living index of 94.3.
| Project | Time | Typical cost | Range |
|---|---|---|---|
| Diagnostic service call (no parts) | 45–90 min | $69 | $56 – $82 |
| Annual AC or furnace tune-up | 60–90 min | $126 | $104 – $152 |
| AC repair (capacitor / contactor / minor part) | 1–3 hours | $307 | $252 – $368 |
| Refrigerant recharge (R-410A, residential) | 1–2 hours | $367 | $301 – $440 |
| Smart thermostat install | 1 hour | $273 | $224 – $327 |
| Gas furnace replacement (80% AFUE, 80k BTU) | 1 day | $2,812 | $2,306 – $3,374 |
| Heat pump replacement (3-ton, 16 SEER) | 1–2 days | $6,429 | $5,272 – $7,715 |
| Mini-split install (single zone, 12k BTU) | 1 day | $2,340 | $1,919 – $2,808 |
| Whole-home duct cleaning | 3–5 hours | $331 | $271 – $397 |
A residential HVAC technician services, repairs, and installs forced-air furnaces, central AC, heat pumps, mini-splits, and ductwork. A diagnostic visit typically includes static-pressure measurement, refrigerant pressure (for cooling systems), temperature differential between supply and return, electrical-component testing (capacitor microfarad, contactor pull-in, transformer voltage), and ignition or burner inspection on heating equipment. Installations require Manual J / Manual D / Manual S calculations to size the equipment correctly — beware any installer who skips these and recommends "the same size you have now."
"Same-size replacement" without a load calc, refrigerant-only quotes that don't address the leak, and any installer who pushes the largest unit without explaining why.