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A heat pump in this house runs its compressor hard through cold weather, cycling between heating and defrost mode month after month. Homes in Nemaha County, KS run heat about seven months a year, from October through April. Refrigerant flow reversals stress the reversing valve more than any single component on the refrigerant circuit, and a contractor called out for a repair will pressure-test that valve and check compressor amperage draw before quoting anything else. Coil condition follows close behind, because restricted airflow across a dirty outdoor coil forces the compressor to work harder in already cold air.

Ductwork in much of Nemaha County's housing stock was built around systems that no longer exist in those houses, and what sits in the mechanical room now has a long service history behind it. Half the homes in Nemaha County, Kansas were built in 1974 or earlier (2020-2024 ACS 5-year). That age of stock means a heat pump repair here is decided by what a contractor finds once the cabinet is open: the actual condition of the compressor, the coils, and the refrigerant circuit, not what the model number suggests. Parts availability for equipment running in houses this old varies, and a contractor pulling a failed component sometimes finds the replacement has been superseded or is on extended lead time. The opened unit is where the job's real scope lives.
The Parts of a Heat Pump a Contractor Checks First

The outdoor unit sits outside the house and holds the compressor and the condenser coil. These are the parts a contractor reaches 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 common starting points for a repair diagnosis.
Inside the house, the air handler pushes conditioned air through the home and contains the evaporator coil and the blower motor. The reversing valve, which tells the system whether to heat or cool, sits in the refrigerant line between the two units and is another piece a contractor will test when the system runs but delivers the wrong temperature.
The drawing shows the general layout of a heat pump system, and a licensed contractor determines which components apply to your particular home and situation.
Find a contractor in Nemaha CountyNemaha County, Kansas, by the numbers
99 severe weather events were recorded in Nemaha County, Kansas 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 Nemaha County, Kansas were built in 1974 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesNemaha County, Kansas holds 4,512 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 78.0% of the occupied homes in Nemaha County, Kansas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Nemaha County
Heat pumps work hardest when the weather puts them under pressure, and Kansas weather can be hard on mechanical equipment. Repair needs in Nemaha County track closely with what the local climate actually does, which is why the record below is relevant here.
99 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.