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Sizing a heat pump for a Shelby County home is a heating and cooling question before it is a weather-resilience question. 83 severe weather events were recorded in Shelby County, Indiana between 2015 and 2024. At that rate, severe weather is a real but intermittent part of life for equipment here, not the dominant stress on a system. A contractor quoting an install will spend most of their attention on the thermal load of the house, duct layout, and refrigerant line placement, because those are what drive performance and efficiency over the life of the unit. Storm exposure shapes the conversation at the margins, not at the center of it.
Ductwork laid down for a furnace and central air carries assumptions about airflow that a heat pump does not share, and in Shelby County that gap shows up on job after job. Half the homes in Shelby County, Indiana were built in 1972 or earlier (2020-2024 ACS 5-year). That means a contractor sizing and installing a heat pump here has to treat the existing duct system as an open question before the new unit can be specified, because what moves air adequately for one type of system can restrict or waste capacity in another. The electrical service gets the same scrutiny: the panel that was sufficient then may need an upgrade to carry what a heat pump draws today.
What a Heat Pump Looks Like as a Installed System
The outdoor unit sits on a pad outside the house and holds the compressor and coil that do the physical work of moving heat. Inside, an air handler mounts in a utility space, basement, or closet and pushes conditioned air through the home. These two cabinets are what a homeowner buys when they buy a heat pump.
A refrigerant line set runs between the two units through an exterior wall, carrying the fluid that links them. A thermostat on an interior wall is the control point, and a condensate drain line carries moisture away from the air handler to a floor drain or outside.
The drawing shows a typical layout, and a licensed contractor determines exactly how each piece applies to this house.
Find a contractor in Shelby CountyShelby County, by the numbers
83 severe weather events were recorded in Shelby 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 Shelby County, Indiana were built in 1972 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesShelby County, Indiana holds 19,674 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 72.5% of the occupied homes in Shelby County, Indiana (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Shelby County
Local weather puts direct demands on heating and cooling equipment, shaping how hard a heat pump works and how long it lasts. That load is specific to Shelby County, which is why the installation choices here are not the same as they are somewhere else.
83 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.