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Sizing a heat pump in Greene County starts with the building, not the forecast. 39 severe weather events were recorded in Greene County, Indiana between 2015 and 2024. At that rate, severe weather is an event in this area rather than a constant condition, which means a contractor quotes around the structure's thermal envelope, duct layout, and insulation before anything else. A unit that fails here has almost certainly been let down by an undersized install or deferred maintenance. Weather gets the blame less often than it deserves elsewhere, and that shapes what a licensed contractor checks before they spec the replacement.
Ductwork laid down for a furnace and window units was sized for a different kind of airflow than a heat pump demands, and the electrical service feeding it was drawn for different loads. Half the homes in Greene County, Indiana were built in 1978 or earlier (2020-2024 ACS 5-year). A contractor installing a heat pump here opens the question of whether the existing duct runs can move conditioned air the way the new system needs, and whether the panel can carry it. Those two answers shape the quote more than the equipment selection does.
What a Heat Pump Installation Covers, Piece by Piece

The outdoor unit sits on a pad beside the house and holds the compressor and the coil that exchange heat with the outside air. The indoor air handler mounts inside, often in a utility space or closet, and moves conditioned air through the home. Together these two units are the core of what a contractor sets in place.
A refrigerant line set runs between the outdoor and indoor units, carrying the working fluid that connects the two sides of the system. A thermostat, mounted on an interior wall, gives the homeowner control over the whole system and tells both units when to run.
The drawing shows a typical layout, and a licensed contractor determines what the installation requires for this specific house.
Find a contractor in Greene CountyGreene County, Indiana, by the numbers
39 severe weather events were recorded in Greene County, Indiana 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 Greene County, Indiana were built in 1978 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesGreene County, Indiana holds 14,356 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 77.0% of the occupied homes in Greene County, Indiana (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Greene County
Heating and cooling equipment in Greene County works against whatever the local climate puts out, and that workload shapes what a heat pump needs to handle over its service life. How hard the weather hits here is a local question, and the right installation accounts for it.
39 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.