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A heat pump running heat through winter and well into spring puts its reversing valve, refrigerant circuit, and defrost controls through repeated cycling. Homes in Archuleta County, CO run heat about ten months a year, from September through June. Capacity drops as outdoor temperatures fall, and a system that was marginal on sizing shows that strain in the refrigerant circuit first. A contractor on a repair call here checks refrigerant charge and valve function early, because those are the parts that have been working hardest across the coldest months.
Half the homes in Archuleta County, Colorado were built in 1996 or earlier (2020-2024 ACS 5-year). A heat pump that has been running in a house for years accumulates wear specific to how it was installed, not how it left the factory. When a contractor opens the unit, what they find in the electrical connections, the refrigerant lines, and the compressor reflects whether those were matched to the system from the start or retrofitted to accommodate it. Parts that have been working against a loose fit wear differently than parts running as designed, and that difference is what determines whether a repair is a straightforward component swap or a broader correction.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit sits on a pad outside the house and holds the compressor and the condenser coil. The compressor is often where a contractor starts: when it fails, the system stops moving heat entirely. The condenser coil pulls or releases heat depending on the season, and a damaged or dirty coil shows up as a system that runs but cannot keep up.
The air handler sits inside the house, usually in a utility closet, attic, or basement, and it holds the evaporator coil and the blower. The reversing valve, which lives in the outdoor unit, is the part that lets the system switch between heating and cooling, and a fault there often looks like a system stuck in one mode. The refrigerant lines connect the two units and carry the working fluid between them.
The drawing shows a typical layout, and a licensed contractor determines which components apply and what condition they are in for your specific home.
Get matched in Archuleta CountyArchuleta County, by the numbers
133 severe weather events were recorded in Archuleta 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 Archuleta County, Colorado were built in 1996 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesArchuleta County, Colorado holds 9,858 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 80.1% of the occupied homes in Archuleta County, Colorado (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesWeather Stress on HVAC Equipment in Archuleta County
Extreme weather puts heat pumps through their hardest cycles, and the demand that builds up over years shows up as wear, faults, and repair calls. How hard local conditions push the equipment is part of what makes heat pump repair a site-specific job.
133 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.