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On a heat pump repair call in Lincoln County, a contractor works backward from the components that have been running the hardest. Homes in Lincoln County, CO run heat about eight months a year, from October through May. A heat pump running through a cold, extended heating season stresses the refrigerant circuit and the reversing valve in ways that a shorter season does not produce at the same rate. Capacity drops as outdoor temperatures fall, so the system cycles harder to hold setpoint, and the reversing valve switches direction every time the unit defrost cycle runs. Those are the parts that show wear first, and a contractor prices the repair around what they find there.

Ductwork in a house built for a different heating system carries marks of every adaptation made since: joints re-wrapped, runs rerouted, sections that no longer match the load they serve. Half the homes in Lincoln County, Colorado were built in 1967 or earlier (2020-2024 ACS 5-year). A heat pump drawing air through that kind of system forces the contractor to trace what is actually there before they can say whether a fault lives in the equipment or in what feeds it. Sections that restrict airflow produce symptoms that look like refrigerant problems or coil failures, and misreading that costs the homeowner a repair bill that does not fix the complaint.
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 outdoor coil. The compressor is the part contractors go to first when a heat pump stops heating or cooling altogether, because it is the engine that moves refrigerant through the whole system. The outdoor coil sits just inside the cabinet panels and is a frequent culprit when the unit runs but delivers little comfort.
The air handler lives inside the house, usually in a closet, utility room, or attic, and it contains the indoor coil and the blower that pushes conditioned air through the home. The refrigerant lines connect the two units and are checked for leaks when the system is low on charge. The reversing valve, housed inside the outdoor unit, is what a contractor examines when a heat pump heats fine but will not cool, or the other way around.
The drawing shows a typical layout, and a licensed contractor determines which components apply to the specific system in your home.
Get matched in Lincoln CountyLincoln County, Colorado, by the numbers
265 severe weather events were recorded in Lincoln County, Colorado 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 Lincoln County, Colorado were built in 1967 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesLincoln County, Colorado holds 2,382 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 71.7% of the occupied homes in Lincoln County, Colorado (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Lincoln County
Extreme weather puts heat pumps under stress that ordinary use does not. How hard the equipment works, and how often it needs attention, is shaped by what the local climate actually delivers.
265 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.
