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A heat pump in this county earns its wear in the cold half of the year, not the warm one. Homes in George County, MS run heat about five months a year, from November through March. As outdoor temperatures drop, a heat pump's capacity drops with them, which puts the defrost board and the refrigerant circuit under repeated stress across those months. A contractor diagnosing a struggling system here starts with those components, checking refrigerant charge and defrost cycle behavior before looking elsewhere. Supplemental heat strips also take on real work when the heat pump loses efficiency in the coldest weeks, so their elements and contactors get checked too.
Ducting sized and routed for whatever ran in these houses originally is what a contractor opens the job into. Half the homes in George County, Mississippi were built in 1989 or earlier (2020-2024 ACS 5-year). When a heat pump in stock like this needs repair, the question that decides the bill is whether the failed component still has a current replacement, or whether the system has drifted far enough from what is still manufactured that the repair becomes a parts search. Refrigerant lines, contactors, and capacitors in units installed into older duct systems accumulate wear that a visual check outside the cabinet does not show.
The Parts of a Heat Pump a Contractor Checks During Repair
The outdoor unit sits on a pad beside the house and holds the compressor, which is the piece a contractor reaches for first when a heat pump stops doing its job. The coil wrapped around that cabinet and the fan above it work together with the compressor, so a fault in any one of them shows up in how the others behave.
Inside the house, the air handler hangs in a utility space or closet and moves conditioned air through the home. Running between the two units, the refrigerant lines and the reversing valve direct the system between heating and cooling modes, and the reversing valve is a common source of trouble when a heat pump heats but will not cool, or the other way around.
The drawing shows a typical layout, and a licensed contractor will determine which components apply to the specific system in your home.
Find a contractor in George CountyGeorge County, Mississippi, by the numbers
55 severe weather events were recorded in George County, Mississippi 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 George County, Mississippi were built in 1989 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesGeorge County, Mississippi holds 10,373 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 82.1% of the occupied homes in George County, Mississippi (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRepair Rules for Heat Pumps in George County, Mississippi1 codes, standards & rules
Licensing Rules for HVAC Repair in George County, Mississippi
Mississippi licenses residential HVAC work at every tier and at any price: a subcontractor of any tier doing heating, ventilation or air conditioning work on a residential construction or improvement project must be licensed by the State Board of Contractors no matter the dollar amount.
Severe Weather Events in George County
Weather puts load on heat pumps, and heavy weather puts heavy load. Repair needs in George County track closely with what the climate asks of the equipment year after year.
55 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.