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A contractor quoting a heat pump repair in Lee County starts with the compressor and the reversing valve, not the coil or the air handler. Homes in Lee County, SC run heat about five months a year, from November through March. Across a heating season that length, the compressor cycles repeatedly in its harder mode, pushing heat into the house against cold outdoor air, which drops the unit's capacity and forces longer run times to meet the thermostat. The reversing valve takes the same wear every switch. When either part degrades, the system heats poorly before it fails outright, so a diagnosis that stops at refrigerant charge without inspecting those components will miss the underlying problem.
Ductwork in houses this old tends to carry decades of patched joints, degraded insulation, and debris that a newer system simply has not had time to accumulate. Half the homes in Lee County, South Carolina were built in 1983 or earlier (2020-2024 ACS 5-year). For a heat pump repair, that matters because a failing component can look like the whole story until a contractor opens the air handler and traces the return path. A refrigerant issue that seems straightforward may be feeding from a duct leak rather than a failed part. The contractor's first job is to read what is actually in the system before deciding what to order.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit sits on a pad beside the house and holds the compressor, which pressurizes refrigerant and is the part a contractor reaches for when the system runs but produces no change in temperature. The coil wrapped around that unit is the next stop: dirt or physical damage there shows up fast as poor performance or icing.
Inside, the air handler mounts in a closet, attic, or utility room and moves conditioned air through the home. The expansion valve and refrigerant lines connect the two units, and the reversing valve inside the outdoor cabinet is what lets the system shift between heating and cooling. A fault in either is a common reason a heat pump behaves differently in one season than the other.
The drawing shows a typical layout, and a licensed contractor will determine which components and conditions apply to your specific house.
Get matched in Lee CountyLee County, SC, by the numbers
66 severe weather events were recorded in Lee 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 Lee County, South Carolina were built in 1983 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesLee County, South Carolina holds 7,602 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 70.5% of the occupied homes in Lee County, South Carolina (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Governing Heat Pump Repair in Lee County, South Carolina1 sourced rules & standards
Licensing Rules for HVAC Repair in Lee 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 Lee County
Heat pumps in Lee County work against whatever the local climate puts out, and weather stress accumulates inside the equipment over time. Repair needs here reflect local conditions, which is why those conditions belong on this page.
66 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.