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A contractor quoting a heat pump installation in Simpson County starts from what the existing system has actually been through. 72 severe weather events were recorded in Simpson County, Kentucky between 2015 and 2024. At that rate, severe weather is an event here, not a constant condition, so it rarely explains a compressor that gave out or a refrigerant line that never worked right. What explains those things is how the original equipment was sized for the house and how well it was put in. A contractor who gets the load calculation right and seals the system properly at install is solving the problem that the weather record here did not create.
Ductwork laid down for a gas furnace or window units carries air at a different pressure and volume than a heat pump needs, and in a house old enough to sit at or before this county's median, that original ductwork is often what a contractor spends the most time evaluating. Half the homes in Simpson County, Kentucky were built in 1979 or earlier (2020-2024 ACS 5-year). A heat pump moves conditioned air continuously at lower temperature differentials, which means undersized or leaky ducts that a furnace tolerated will leave rooms uneven and the system straining. The electrical panel is the second question: older service capacity was not run with a heat pump's draw in mind, and a contractor has to confirm what is there before the equipment can be quoted.
What Gets Installed With a New Heat Pump
The outdoor unit is the piece most homeowners see first. It sits on a pad beside the house and holds the compressor and the outdoor coil, which together do the main work of moving heat in or out depending on the season. Inside, the air handler or furnace coil assembly mounts in a utility space, attic, or basement and circulates conditioned air through the home.
A refrigerant line set connects the two units, running through the wall or along the exterior to carry refrigerant between them. A thermostat goes on an interior wall and gives the homeowner control over the whole system. Some installations also include an auxiliary heat strip inside the air handler, which a contractor sizes and positions based on what the house requires.
The drawing shows a typical layout, and a licensed contractor determines exactly how these pieces are configured in your home.
Get matched in Simpson CountySimpson County by the numbers
72 severe weather events were recorded in Simpson County, Kentucky 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 Simpson County, Kentucky were built in 1979 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSimpson County, Kentucky holds 8,627 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 66.7% of the occupied homes in Simpson County, Kentucky (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHeat Pump Installation Rules for Simpson County, Kentucky1 sourced rules and standards
Licensing Rules for Simpson County, Kentucky
Kentucky requires a licence to practise heating, ventilation and air conditioning contracting: a person may not do the work unless they have met the state licensing requirements.
Severe Weather in Simpson County
Kentucky's climate puts real demands on heating and cooling equipment, and those demands vary by where you live. A heat pump sized and installed for the conditions in Simpson County will hold up through local weather in ways that a generic job will not.
72 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.