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Sizing a heat pump for Clarke County starts with the heating load, not the cooling load. Homes in Clarke County, MS run heat about five months a year, from November through March. As outdoor temperatures drop toward their lowest point in that stretch, a heat pump's capacity falls off, and a unit that tests fine in October can leave a house short in January. A contractor has to establish what the system needs to deliver at the coldest hours of the year before settling on equipment, and back-up heat is a real question here, not an afterthought. Get that load calculation wrong and no amount of careful installation recovers it.
Ductwork laid out for a conventional system carries air differently than a heat pump needs it to, and in Clarke County that gap is where a heat pump installation either fits cleanly or requires additional work before the new unit can go in. Half the homes in Clarke County, Mississippi were built in 1984 or earlier (2020-2024 ACS 5-year). A house that old was ducted for something specific, and a contractor assessing the existing runs has to confirm the layout, sizing, and condition will move the volume a heat pump demands. If the ductwork falls short, that work gets priced and scheduled before the equipment itself becomes relevant.
What a Heat Pump Installation Puts in Your Home
The outdoor unit is the piece most homeowners notice first. It sits on a pad beside the house and holds the compressor and the outdoor coil, both of which do the core work of moving heat. Inside, the air handler mounts in a utility space, a closet, or an attic and pushes conditioned air through the home.
A refrigerant line set runs between the two units, connecting the outdoor pad to the air handler and carrying the working fluid back and forth. A thermostat goes on an interior wall and gives the homeowner control over the whole system.
The drawing shows a typical layout, and a licensed contractor determines exactly what the installation requires in your house.
Find a contractor in Clarke CountyClarke County by the Numbers
161 severe weather events were recorded in Clarke 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 Clarke County, Mississippi were built in 1984 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesClarke County, Mississippi holds 7,645 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 82.3% of the occupied homes in Clarke County, Mississippi (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRules & Standards for Heat Pump Installation in Clarke County, Mississippi1 sourced rules and standards
Licensing Rules for Clarke 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 Clarke County
Heat pump performance is tied directly to how hard the climate pushes it. Weather stress in Clarke County shapes how a system is sized, how it runs, and how long it holds up under real conditions.
161 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.