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Homes in Faulk County, SD run heat about nine months a year, from September through May. The compressor on a heat pump cycles through both heating and cooling work, but heating puts more stress on it because the refrigerant circuit is working against colder outdoor air. In Faulk County, that means the reversing valve, the compressor contacts, and the low-pressure side of the refrigerant circuit accumulate wear that a contractor checks before quoting any other repair. A system that has been undersized for this climate shows the damage faster, and a contractor working a repair here will want to know the original sizing before they commit to replacing a single component.

A heat pump that has outlived one or two predecessor systems carries the record of that history in its components. Half the homes in Faulk County, South Dakota were built in 1964 or earlier (2020-2024 ACS 5-year). Stock built in that era has run successive rounds of equipment, and what a contractor finds when the unit is open reflects cumulative thermal stress and part substitutions across those rounds, not a single clean service life. Blaming a repair on the age of the house is a way of not looking at the compressor contacts, the reversing valve, or the refrigerant circuit. The fault is in there, and it has a specific cause.
The Parts of a Heat Pump a Contractor Checks First

The outdoor unit is usually where a contractor starts. It holds the compressor, which is the heart of the system, and the coil and fan that move heat between the refrigerant and the outside air. When the compressor fails or the coil develops a leak, the whole system either stops or struggles to hold temperature.
Inside the house, the air handler pushes conditioned air through the home and contains the indoor coil, the blower motor, and the reversing valve that tells the system which direction to run. The refrigerant lines connect the two units, and the thermostat tells everything when to start and stop. A fault in any of these can look like a problem somewhere else, so a contractor traces the whole loop.
The drawing shows the general layout of a heat pump system, and a licensed contractor determines what applies to your particular house.
Find a contractor in Faulk CountyFaulk County, by the numbers
131 severe weather events were recorded in Faulk County, South Dakota 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 Faulk County, South Dakota were built in 1964 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFaulk County, South Dakota holds 1,085 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 79.6% of the occupied homes in Faulk County, South Dakota (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Faulk County
Extreme weather puts real stress on heat pump systems, which run hardest precisely when outdoor conditions are worst. Repair demand in Faulk County follows that pattern, which is why local weather history is part of understanding what this equipment faces.
131 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.