Guides
Plain answers to the questions people in Seneca and the Upstate ask about their heating and air, with prices and local detail.
9 guides
- AC unit frozen?AC unit frozen? Turn cooling off and run the fan to thaw it, then find the cause: airflow, a refrigerant leak or cool nights, with repair costs in Seneca..Oct 2026
- Best time to replace HVACThe best time to replace HVAC in South Carolina is spring or fall.Oct 2026
- Aux heat vs emergency heatAux heat is backup the thermostat adds by itself; emergency heat is a switch that runs only the backup.Oct 2026
- Heat pump blows cold airWhy a heat pump blows cold air in winter, from normal defrost cycles to a failed reversing valve, what you can check yourself and what each fix costs..Oct 2026
- Humid house, AC runningWhy your house stays humid with the AC running, from an oversized unit and the fan setting to leaky ducts and crawlspaces, and what humidity to aim for..Oct 2026
- New HVAC cost in SCWhat a new heat pump or AC system costs in South Carolina in 2026, by type and size.Oct 2026
- Mini-split costs in SCWhat a ductless mini-split costs installed in South Carolina for one to four rooms.Oct 2026
- Repair or replace my AC?Should you repair or replace your AC or heat pump? Use the $5,000 rule, the system's age and its refrigerant.Oct 2026
- SC HVAC rebates in 2026What's left in SC heat pump and HVAC rebates as of October 2026.Oct 2026

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Seneca Heat & Air
Seneca and Oconee County
Mon–Sat, 7am–7pm