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A heat pump failing in Martin County has almost certainly been asked to run through some rough weather, but the weather explains less than homeowners often expect. 38 severe weather events were recorded in Martin County, Indiana between 2015 and 2024. At that rate, severe events are real but not relentless, and a contractor opening a unit here will check refrigerant charge, capacitor condition, and coil wear before concluding that storm load drove the failure. What actually shows up in a damaged compressor or a seized contactor is more often years of deferred maintenance or an original install that left the system working harder than it should have.

Refrigerant lines, contactor boards, reversing valves, compressor windings: once a heat pump is open, what a contractor finds decides the repair, and in stock this old that finding frequently includes components whose manufacturers have moved on. Half the homes in Martin County, Indiana were built in 1981 or earlier (2020-2024 ACS 5-year). Heat pump equipment came into wide residential use well after most of these houses were already standing, which means the systems running in them now are not first-generation installs but replacements of replacements, each one sourced at a different point in a parts catalog that keeps getting shorter. A contractor quoting the repair has to confirm availability before pricing the job.
The Parts of a Heat Pump a Contractor Checks First

The outdoor unit sits on a pad beside the house and holds the compressor and the condenser coil. These are the parts a contractor goes to first when a heat pump stops heating or cooling properly. A failed compressor, a refrigerant leak at the coil, or a seized fan motor in that cabinet are the most common reasons a system stops doing its job.
The air handler lives inside the house, usually in a utility closet, attic, or basement, and it moves conditioned air across the evaporator coil and through the home. The reversing valve sits inside the refrigerant loop and tells the system which direction to run. When a heat pump blows the wrong temperature or gets stuck in one mode, the reversing valve and the air handler's coil are both on the contractor's checklist.
The drawing shows a general layout of the system, and a licensed contractor determines which components apply and what condition they are in for your specific home.
Find a contractor in Martin CountyMartin County, Indiana, by the numbers
38 severe weather events were recorded in Martin 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 Martin County, Indiana were built in 1981 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesMartin County, Indiana holds 4,583 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 78.5% of the occupied homes in Martin County, Indiana (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Martin County
Extreme weather puts heat pumps under stress they were not designed to absorb continuously. Repair demand in Martin County tracks directly with what the local climate asks of the equipment.
38 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.