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A heat pump in this county earns most of its wear running in heating mode, which is the harder direction for the refrigerant cycle. Homes in Laramie County, WY run heat about nine months a year, from September through May. Capacity drops as outdoor temperatures fall, so the compressor cycles harder and longer on the coldest nights, and the reversing valve switches state repeatedly across every heating season. By the time a homeowner calls for repair, the heating-side components have carried the real load. A contractor here checks the coil, the reversing valve, and the refrigerant charge against that history before pricing anything else.

Half the homes in Laramie County, Wyoming were built in 1980 or earlier (2020-2024 ACS 5-year). A heat pump sitting in stock that old has often been through at least one component swap already, and what a contractor finds once the unit is open reflects that history: failed capacitors, corroded contactors, or refrigerant fittings sized for a refrigerant that is no longer sold. The question a repair raises here is not just whether a part failed, but whether that part still has a current replacement or whether the contractor is sourcing from discontinued stock.
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 one set of coils. The compressor is usually the first stop in a repair call because it drives the whole exchange of heat. When the system runs but delivers little or nothing, or makes a hard grinding noise, the compressor and its refrigerant lines are where a contractor starts.
Inside the house, the air handler contains the second set of coils and the blower fan that pushes conditioned air through the home. The thermostat ties both sides together, reading the indoor temperature and telling the system when to run. A fault in the air handler or a thermostat sending bad signals can look a lot like a failing outdoor unit until a contractor isolates the side that is actually misbehaving.
The drawing shows a typical heat pump layout, and a licensed contractor determines which components and conditions apply to your specific home.
Find a contractor in Laramie CountyLaramie County, by the numbers
2,637 severe weather events were recorded in Laramie County, Wyoming 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 Laramie County, Wyoming were built in 1980 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesLaramie County, Wyoming holds 45,659 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 70.6% of the occupied homes in Laramie County, Wyoming (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year Estimates