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A contractor sent out to diagnose a heat pump failure in Putnam County has to decide what actually caused it. 78 severe weather events were recorded in Putnam County, Indiana between 2015 and 2024. At that rate, severe weather is an event here, not a standing condition, which means a struggling compressor or a failed reversing valve is almost certainly carrying the weight of years and maintenance gaps rather than a brutal operating environment. A contractor will look hard at refrigerant levels, contactor wear, and filter history before weather gets any serious weight in the diagnosis.
Refrigerant circuits, contactors, and capacitors age on their own clock, but the housing around them sets the conditions they age in. Half the homes in Putnam County, Indiana were built in 1981 or earlier (2020-2024 ACS 5-year). A system installed in a house that old has been living with wiring and infrastructure that predates it, and when a technician opens the unit, what they find reflects that history: corroded terminals, stressed connections, components that have been working harder than a cleaner installation would ask of them. Whether a failed part is still manufactured is the question that decides how a repair resolves, and on housing stock of this vintage that question comes up more often than the equipment's own nameplate age would suggest.
The Parts of a Heat Pump a Contractor Checks During Repair
The outdoor unit is usually where a contractor starts. It houses the compressor, which drives the whole system, and the coil that exchanges heat with outside air. When the system is not heating or cooling the way it should, problems with the compressor or a refrigerant leak at that coil are common places the fault sits.
Inside the house, the air handler holds a second coil and a blower fan that moves conditioned air through your home. The expansion valve, which sits between the two coils and controls refrigerant flow, is another piece a contractor checks when the system is running but not performing. The copper refrigerant lines connecting the two units are inspected along the way.
The drawing shows a typical heat pump layout, and a licensed contractor determines which components apply to your specific house and situation.
Find a contractor in Putnam CountyPutnam County, by the numbers
78 severe weather events were recorded in Putnam 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 Putnam County, Indiana were built in 1981 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesPutnam County, Indiana holds 15,268 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 75.4% of the occupied homes in Putnam County, Indiana (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Putnam County
Weather puts load on heating and cooling equipment, and that load shapes how often heat pumps need repair. Putnam County's weather record is part of what makes this a local service question, not a general one.
78 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.