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A heat pump in Kershaw County earns most of its wear in heating mode, which means the compressor and reversing valve take the brunt before summer ever arrives. Homes in Kershaw County, SC run heat about five months a year, from November through March. By the time a unit shows a fault, those components have already cycled through months of cold-air extraction, where the refrigerant circuit works harder than it does on a warm day. A contractor diagnosing a failed heat pump here checks the reversing valve and the compressor contacts before looking at anything downstream, because that is where a heating-season load leaves its mark.
Ductwork in a house passes through many equipment cycles, and what is still in the walls when a heat pump fails reflects the system that was pulled out before the current one, not the one a contractor is repairing now. Half the homes in Kershaw County, South Carolina were built in 1993 or earlier (2020-2024 ACS 5-year). That means a technician opening a failing unit here has to account for connections and line sets that were adapted across at least one prior replacement, not purpose-built for what is running today. A refrigerant path or a return air connection that looked acceptable on the last service call can read differently when the equipment is open and the airflow numbers are in hand.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit sits on a pad beside the house and holds the compressor and one set of coils. The compressor is the part that does the hardest work, and it is usually where a contractor looks when the system has stopped moving heat altogether. The coils in that cabinet are a common source of trouble too, particularly when airflow across them has been restricted.
Inside the house, the air handler holds the second set of coils and the blower that moves conditioned air through the home. The reversing valve, which sits in the refrigerant line, is what lets a heat pump shift between heating and cooling, and a fault there shows up as the system doing one job but not the other. The refrigerant lines connecting both cabinets and the expansion valve are also on a contractor's checklist when the system is running but not keeping up.
The drawing shows a typical layout, and a licensed contractor determines which components and conditions apply to your specific house.
Get matched in Kershaw CountyKershaw County, by the numbers
150 severe weather events were recorded in Kershaw County, South Carolina between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Kershaw County, South Carolina were built in 1993 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesKershaw County, South Carolina holds 30,134 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 82.0% of the occupied homes in Kershaw County, South Carolina (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRules & Standards Governing Heat Pump Repair in Kershaw County, South Carolina1 sourced rules and standards
Licensing Rules for HVAC Repair in Kershaw County, South Carolina
South Carolina requires a mechanical contractor license for contracting work whose total cost of construction is greater than ten thousand dollars.
Severe Weather Events in Kershaw County
Weather puts stress on heat pump systems in ways that accumulate over time. Repairs in Kershaw County reflect local conditions, and the record below shows what those conditions have looked like.
150 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.