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A contractor called out for heat pump repair in Fulton County is not walking into a system worn down by relentless weather. 53 severe weather events were recorded in Fulton County, Indiana between 2015 and 2024. At that rate, severe weather is an occasional event rather than a steady operating condition, and most heat pumps here have spent the bulk of their service life running against ordinary seasonal demand. When a compressor fails or a reversing valve sticks, the cause is almost always elsewhere: how the system was sized and set up, how many years it has run, and whether it has been serviced. Storm load is worth ruling out, but a contractor here spends most of their diagnostic time on components that degrade with age and neglect.
Ductwork that has been in place since before heat pumps were a common residential choice has been adapted, resealed, and patched over the decades, and what a contractor finds once the unit is open tends to reflect that history. Half the homes in Fulton County, Indiana were built in 1966 or earlier (2020-2024 ACS 5-year). A heat pump that has been running in a house of this age may be on its second or even third refrigerant circuit, and the components it takes are sometimes still in production and sometimes not. That question, parts availability for a system this old, is what drives the repair scope more than the diagnosis itself.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit sits outside the house and holds the compressor and the coil that exchanges heat with the air around it. When a heat pump loses heating or cooling ability, the compressor is often where a contractor starts. The coil on this unit can also develop refrigerant leaks or become blocked in ways that shut down the whole system.
Inside the house, the air handler moves conditioned air through the home and contains a second coil and the blower motor. The expansion valve, which controls refrigerant flow between the two coils, sits in line between them. The refrigerant lines that connect the indoor and outdoor units run through the wall and are checked for leaks, pressure, and charge.
The drawing shows the general layout of a heat pump system, and a licensed contractor determines which components and conditions apply to your particular house.
Find a contractor in Fulton CountyFulton County, by the numbers
53 severe weather events were recorded in Fulton 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 Fulton County, Indiana were built in 1966 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFulton County, Indiana holds 9,584 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 80.1% of the occupied homes in Fulton County, Indiana (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Fulton County
Heat pumps work hardest when the weather outside is most extreme, and that workload accumulates over time into wear that shows up as repair needs. How often severe weather hits Fulton County is directly tied to how hard the equipment runs and how soon it needs attention.
53 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.