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On a repair call, a contractor's first question is what the equipment has already been through. Homes in Hampton County, SC run heat about five months a year, from November through March. A heat pump running heat across those winter months puts sustained load on the reversing valve, the compressor, and the refrigerant circuit that handles low outdoor temperatures. When one of those fails, the failure reflects that accumulated cycling. A contractor checks the reversing valve before quoting refrigerant work, because a valve stuck in cooling mode reads like a refrigerant fault until it doesn't.
Ductwork and electrical service in houses here carry the history of every system that has run in them. Half the homes in Hampton County, South Carolina were built in 1984 or earlier (2020-2024 ACS 5-year). That means the wiring a contractor finds when a heat pump comes apart for repair was sized for something earlier, and may not be delivering clean power to what replaced it. A bad capacitor or a failing reversing valve gets the attention first, but the opened unit sometimes points back to what feeds it.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit sits outside the house and holds the compressor and the condenser coil. The compressor is the part contractors go to first when a heat pump stops moving heat altogether. The condenser coil is what they check when the unit is running but not keeping up.
Inside the house, the air handler holds the evaporator coil and the blower. The evaporator coil is a common source of refrigerant leaks and ice buildup. The blower pushes conditioned air through the house, and when it weakens or fails, airflow problems follow. The expansion valve sits between the two coils and is another point a contractor will test when temperatures are off.
The drawing shows a typical heat pump layout, and a licensed contractor determines what applies to your specific system.
Get matched in Hampton CountyHampton County, South Carolina, by the numbers
156 severe weather events were recorded in Hampton 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 Hampton County, South Carolina were built in 1984 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHampton County, South Carolina holds 8,645 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 73.4% of the occupied homes in Hampton County, South Carolina (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRules & Standards Behind Heat Pump Repair in Hampton County, South Carolina1 sourced rules and standards
Licensing Rules for HVAC Repair in Hampton 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 Hampton County
Extreme weather puts heat pumps under real stress, and Hampton County's climate shapes how hard local equipment works and how often it needs attention. That load is a local fact, and the repair work reflects it.
156 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.