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A heat pump asked to carry a long heating load in cold outdoor air works hardest exactly when it delivers the least. Homes in Greene County, NY run heat about nine months a year, from September through May. The refrigerant circuit cycles through that entire stretch, and the reversing valve, which switches the system between heating and cooling, toggles at both ends of it. A contractor diagnosing a heat pump here checks those components early, because they accumulate the most cycles before the brief cooling window begins. Coil icing, refrigerant pressure, and valve function tell more about what the system has been through than the nameplate ever will.
Half the homes in Greene County, New York were built in 1972 or earlier (2020-2024 ACS 5-year). Housing built that long before modern heat pumps were common was wired and ducted around something else entirely, and the systems running in those houses today were fitted into that earlier framework. When a contractor opens a heat pump for repair, the failure points are often at those adaptation seams: connections resized, lines rerouted, components that have been working against the original layout. Whether a part is still manufactured for a system of that vintage is a real question, and so is whether what the contractor finds inside matches what the exterior of the unit suggests.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit is the piece most homeowners recognize first, a metal cabinet that sits outside the house and holds the compressor and the outdoor coil. The compressor is the heart of the system: when it fails, the unit runs but moves no heat at all. The outdoor coil is where a contractor looks when the unit ices over or the system struggles in cold weather.
Inside the house, the air handler holds the indoor coil and the blower fan, which pulls air across the coil and pushes conditioned air into the living space. Refrigerant lines connect the two units, and the reversing valve inside the outdoor cabinet is what lets the system shift between heating and cooling. A contractor checks both the valve and the lines when the system produces the wrong kind of air or none at all.
The drawing shows a general layout of these components, and a licensed contractor determines what applies to your specific system and home.
Get matched in Greene CountyGreene County, by the numbers
168 severe weather events were recorded in Greene County, New York 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 Greene County, New York were built in 1972 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesGreene County, New York holds 29,080 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 77.2% of the occupied homes in Greene County, New York (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesWeather Stress on HVAC Equipment in Greene County
Heat pumps work against outdoor conditions every hour they run, and the harder those conditions swing, the more the equipment is asked to do. How often Greene County sees severe weather is a workload question, and workload is what drives wear, repair calls, and the need for a contractor who knows the local pattern.
168 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.